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AMIS-41682, AMIS-41683 Fault Tolerant CAN Transceiver
Description
The new AMIS-41682 and AMIS-41683 are interfaces between the protocol controller and the physical wires of the bus lines in a control area network (CAN). AMIS-41683 is identical to the AMIS-41682 but has a true 3.3 V digital interface to the CAN controller. The device provides differential transmit capability but will switch in error conditions to a single-wire transmitter and/or receiver. Initially it will be used for low speed applications, up to 125 kB, in passenger cars. Both AMIS-41682 and AMIS-41683 are implemented in I2T100 technology enabling both high-voltage analog circuitry and digital functionality to co-exist on the same chip. These products consolidate the expertise of ON Semiconductor for in-car multiplex transceivers and support together with 0REMX-002-XTP (VAN), AMIS-30660 and AMIS-30663 (CAN high speed) and AMIS-30600 (LIN) another widely used physical layer.
Features
http://onsemi.com PIN ASSIGNMENT
INH TxD RxD
ERR STB
1 2 3 4 5 6 7
14 13 12 11 10 9 8
VBAT GND CANL CANH VCC RTL RTH
AMIS-4168x
* Fully Compatible with ISO11898-3 Standard * Optimized for In-Car Low-speed Communication
EN
WAKE
*
Baud Rate up to 125 kB Up to 32 Nodes can be Connected PC20041029.1 (Top View) Due to Built-in Slope Control function and a very Good Matching ORDERING INFORMATION of the CANL and CANH bus outputs, this device realizes a very See detailed ordering and shipping information in the package low electromagnetic emission (EME) dimensions section on page 14 of this data sheet. Fully Integrated Receiver Filters Permanent Dominant Monitoring of Transmit Data Input Differential Receiver with Wide Common-Mode * Protection Issues Range for High Electromagnetic Susceptibility Short Circuit Proof to Battery and Ground (EMS) in Normal- and Low-Power Modes Thermal Protection True 3.3 V Digital I/O Interface to CAN Controller The Bus Lines are Protected Against Transients in for AMIS-41683 Only an Automotive Environment Management in Case of Bus Failure An Unpowered Node Does not Disturb the Bus Lines In the Event of Bus Failures, Automatic Switching to Single-Wire Mode, even when the CANH Bus * Support for Low Power Modes Wire is Short-Circuited to VCC Low Current Sleep and Standby Mode with The Device will Automatically Reset to Differential Wake-up via the Bus Lines Mode if the Bus Failure is Removed Power-on Flag on the Output During Failure Modes There is Full Wake-up Two-Edge Sensitive Wake-up Input Signal via Capability Pin WAKE Unpowered Nodes do not Disturb Bus Lines * I/Os Bus Errors and Thermal Shutdown Activation is The unpowered chip cannot be parasitically supplied Flagged on ERR Pin either from digital inputs or from digital outputs * These are Pb-Free Devices*
*For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D.
(c) Semiconductor Components Industries, LLC, 2010
June, 2010 - Rev. 8
1
Publication Order Number: AMIS-41682/D
AMIS-41682, AMIS-41683
Table 1. TECHNICAL CHARACTERISTICS
Symbol VCANH VBAT Parameter DC Voltage at Pin CANH, CANL Voltage at Pin Vbat Condition 0 < VCC < 5.25 V; No Time Limit Load-Dump Max -40 Max +40 +40 Unit V V
VBAT INH WAKE STB EN
1 14 POR Mode & wake-up control
VCC
10
7 5 6
9 VCC (*) Thermal shutdown 11 Driver control 12 8 Timer
RTL CANH CANL RTH
TxD GND ERR
2 13
4
Failure handling Receiver Filter
RxD
3
AMIS-4168x
(*) For AMIS-41682 pull up to VCC. For AMIS-41683 pull up to VCC/2
AMIS-41682
VCC
AMIS-41683 ERR
4 Failure handling 3
ERR
4
Failure handling
VCC
RxD
3
RxD
Figure 1. Block Diagram http://onsemi.com
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AMIS-41682, AMIS-41683
Table 2. PIN DESCRIPTION
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Name INH TxD RxD ERR STB EN WAKE RTH RTL VCC CANH CANL GND VBAT Inhibit Output for External Voltage Regulator Transmit Data Input; Internal Pullup Current Receive Data Output Error; Wake-up and Power-on Flag; Active Low Standby Digital Control Input; Active Low; Pulldown Resistor Standby Digital Control Input; Active High; Pulldown Resistor Enable Digital Control Input; Falling and Rising Edges are Both Detected Pin for External Termination Resistor at CANH Pin for External Termination Resistor at CANL 5 V Supply Input Bus Line; High in Dominant State Bus Line; Low in Dominant State Ground Battery Supply Description
Table 3. ABSOLUTE MAXIMUM RATINGS
Symbol VCC VBAT Vdig VCANH-L Vtran-CAN VWAKE VINH VRTH-L RRTH RRTL TJ Vesd Supply Voltage on Pin VCC Battery Voltage on Pin VBAT DC Voltage on Pins EN, STB, ERR, TxD, RxD DC Voltage on Pin CANH, CANL Transient Voltage on Pins CANH and CANL (Figure 10) (Note 1) DC Input Voltage on Pin WAKE DC Output Voltage on Pin INH DC Voltage on Pin RTH, RTL Termination Resistance on Pin RTH Termination Resistance on Pin RTL Maximum Junction Temperature Electrostatic discharge voltage (CANH- and CANL Pin) Human Body Model (Note 2) Electrostatic Discharge Voltage (Other Pins) Human Body Model (Note 2) Electrostatic Discharge Voltage; CDM (Note 3) Parameter Min -0.3 -0.3 -0.3 -40 -350 -40 -0.3 -40 500 500 -40 -6 -2.0 -500 Max +6 +40 VCC + 0.3 +40 +350 +40 VBAT + 0.3 40 16000 16000 +150 +6 +2.0 +500 Unit V V V V V V V V W W C kV kV V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. The applied transients shall be in accordance with ISO 7637 part 1, test pulses 1, 2, 3a, and 3b. Class C operation 2. Human Body Model according Mil-Std-883C-Meth-3015.7 3. Charged Device Model according ESD-STM5.3.1-1999
Table 4. THERMAL CHARACTERISTICS
Symbol Rth(vj-a) Rth(vj-s) Parameter Thermal Resistance from Junction-to-Ambient in SSOP-14 Package (Two Layer PCB) Thermal Resistance from Junction-to-Substrate of Bare Die Conditions In Free Air In Free Air Value 140 30 Unit K/W K/W
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AMIS-41682, AMIS-41683
TYPICAL APPLICATION SCHEMATIC
OUT
5V-reg
IN
VBAT
*
VCC EN ERR CAN controller STB RxD TxD 6 4 5 3 2
VCC 10
INH 1
VBAT 14
WAKE 7 9 RTL CANL CANH
12 AMIS-41682 11
13 GND * optional PC20050610.1 GND
8
RTH
CAN BUS LINE
Figure 2. Application Diagram AMIS-41682
OUT
3.3V- reg
IN
OUT
5V-reg
IN
VBAT
* 4.7 k W VCC 4.7 k W VCC INH 10 1 EN 6 ERR 4 STB 5 RxD 3 TxD 2 VBAT 14 WAKE 7 9 RTL 12 11 CANL CANH
3.3V CAN controller
AMIS-41683
GND * optional PC20050610.2
13 GND
8 RTH CAN BUS LINE
Figure 3. Application Diagram AMIS-41683
The functional description and characteristics are made for AMIS-41682 but are also valid for AMIS-41683. Differences between the two devices will be explicitly mentioned in the text.
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AMIS-41682, AMIS-41683
FUNCTIONAL DESCRIPTION
Description
AMIS-41682 is a fault tolerant CAN transceiver which works as an interface between the CAN protocol controller and the physical wires of the CAN bus (see Figure 2). It is primarily intended for low speed applications, up to 125 kB, in passenger cars. The device provides differential transmit capability to the CAN bus and differential receive capability to the CAN controller. The AMIS-41683 has open-drain outputs (RXD and ERR Pins), which allow the user to use external pullup resistors to the required supply voltage; this can be 5 V or 3.3 V. To reduce EME, the rise and fall slope are limited. Together with matched CANL and CANH output stages, this allows the use of an unshielded twisted pair or a parallel pair of wires for the bus lines. The failure detection logic automatically selects a suitable transmission mode, differential or single-wire transmission. Together with the transmission mode, the failure detector will configure the output stages in such a way that excessive currents are avoided and the circuit returns to normal operation when the error is removed. A high common-mode range for the differential receiver guarantees reception under worst case conditions and together with the integrated filter the circuit realizes an excellent immunity against EMS. The receivers connected to pins CANH and CANL have threshold voltages that ensure a maximum noise margin in single-wire mode. A timer has been integrated at Pin TXD. This timer prevents the AMIS-41682 from driving the bus lines to a permanent dominant state.
Failure Detector
The failure detector is fully active in the normal operating mode. After the detection of a single bus failure the detector
switches to the appropriate mode. The different wiring failures are depicted in Figure 4. The figure also indicates the effect of the different wiring failures on the transmitter and the receiver. The detection circuit itself is not depicted. The differential receiver threshold voltage is typically set at 3 V (VCC = 5 V). This ensures correct reception with a noise margin as high as possible in the normal operating mode and in the event of failures 1, 2, 4, and 6a. These failures, or recovery from them, do not destroy ongoing transmissions. During the failure, reception is still done by the differential receiver and the transmitter stays fully active. To avoid false triggering by external RF influences the single-wire modes are activated after a certain delay time. When the bus failure disappears for another time delay, the transceiver switches back to the differential mode. When one of the bus failures 3, 5, 6, 6a, and 7 is detected, the defective bus wire is disabled by switching off the affected bus termination and the respective output stage. A wake-up from sleep mode via the bus is possible either by way of a dominant CANH or CANL line. This ensures that a wake-up is possible even if one of the failures 1 to 7 occurs. If any of the wiring failure occurs, the output signal on pin ERR will become low. On error recovery, the output signal on pin ERR will become high again. During all single-wire transmissions, the EMC performance (both immunity and emission) is worse than in the differential mode. The integrated receiver filters suppress any HF noise induced into the bus wires. The cut-off frequency of these filters is a compromise between propagation delay and HF suppression. In the single-wire mode, LF noise cannot be distinguished from the required signal.
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AMIS-41682, AMIS-41683
Failure 1 : CANH wire interrupted
Vbat Vcc RTL TxD RxD ERR RTH RTH RTL
0.6Vcc
Failure 4 : CANL shorted to Gnd
Vbat Vcc RTL CL CD CH
0.4Vcc
GND
RTL
0.6Vcc
TxD TxD RxD ERR RxD ERR RTH RTH CANL CANH CANL CANH
CANL CANH
CANL CANH
CL CD CH
0.4Vcc
TxD RxD ERR
Error-detection: CL= CH more then 4 pulses
Error-detection: dominant longer then Tnd_f4
Failure 2 : CANL wire interrupted
Vbat Vcc RTL TxD RxD ERR RTH RTH RTL
0.6Vcc
Failure 6 : CANL wire shorted to Vbat Vbat Vcc Vbat
RTL CL CD CH
0.4Vcc
RTL
0.6Vcc
TxD TxD RxD ERR RxD ERR RTH RTH CANL CANH CANL CANH
CANL CANH
CANL CANH
CL CD CH
0.4Vcc
TxD RxD ERR
Error-detection: CL= CH more then 4 pulses
Error-detection: CANL>7V
Failure 3 : CANH shorted to Vbat
Vbat Vcc RTL TxD RxD ERR RTH RTL
0.6Vcc
Failure 6a : CANL shorted to Vcc
Vbat Vcc RTL CL CD CH
0.4Vcc
Vcc
RTL
0.6Vcc
TxD TxD RxD ERR RxD ERR RTH RTH CANL CANH CANL CANH
CANL CANH
CANL CANH
CL CD CH
0.4Vcc
TxD RxD ERR
Error-detection: CANH > 2V longer then Tnd_f3
Vbat
RTH
Error-detection: CL= CH more then 4 pulses
Failure 3a : CANH shorted to Vcc Vcc Vbat Vcc
RTL TxD RxD ERR RTH RTL
0.6Vcc
Failure 7 : CANH shorted to CANL
Vbat Vcc RTL CL CD CH
0.4Vcc
RTL
0.6Vcc
TxD TxD RxD ERR RxD ERR RTH RTH CANL CANH CANL CANH
CANL CANH
CANL CANH
CL CD CH
0.4Vcc
TxD RxD ERR
Vcc
RTH
Error-detection: CANH >2V longer then Tnd_f3
Error-detection: dominant longer then Tnd_f7
Failure 5 : CANH shorted to Gnd
Vbat Vcc RTL TxD RxD ERR RTH RTL
0.6Vcc
CANL CANH
CANL CANH
0.4Vcc
CL CD CH
TxD RxD ERR
Error-detection: CL= CH more then 4 pulses
GND
RTH
Figure 4. Different Types of Wiring Failure Low Power Modes
The transceiver provides three low power modes, which can be entered and exited via Pins STBB and EN (see Figure 5). (Go-to-sleep mode is only a transition mode.) The sleep mode is the mode with the lowest power consumption. Pin INH is switched to high-impedance for deactivation of the external voltage regulator. Pin CANL is biased to the battery voltage via Pin RTL. If the supply voltage is provided, Pins RXD and ERR will signal the wake-up interrupt signal.
The standby mode will react the same as the sleep mode but with a high-level on pin INH. The power-on standby mode is the same as the standby mode with the battery power-on flag instead of the wake-up interrupt signal on Pin ERR. The output on Pin RXD will show the wake-up interrupt. This mode is only for reading out the power-on flag. Wake-up request is detected by the following events:
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AMIS-41682, AMIS-41683
(levels maintained for a certain period). * Remote Wake-up from CAN Bus: A message with five consecutive dominant bits. On a wake-up request the transceiver will set the output on Pin INH high which can be used to activate the external supply voltage regulator. Note: Pin INH is also set similarly as an after wake up event by VBAT voltage being below the battery power on flag level. (See FLAG_VBAT in Figure 5) If VCC is provided, the wake-up request can be read on the ERR or RXD outputs so the external microcontroller can wake-up the transceiver (switch to normal operating mode) via Pins STB and EN. In the low power modes the failure detection circuit remains partly active to prevent increased power consumption in the event of failures 3, 3a, 4, and 7. The go-to-sleep-mode is only a transition mode. The Pin INH stays active for a limited time. During this time the
Power-On Stand-by
STB
EN change state
* Local Wake-up: Rising or falling edge on input WAKE
circuit can still go to another low-power mode. After this time the circuit goes to the sleep-mode. In case of a wake up request (from BUS or WAKE Pin) during this transition time, the wake-up request has higher priority than go-to-sleep and INH will not be deactivated.
Behavior in Case of Missing Supplies
If VCC is below the threshold level FLAG_VCC, the signals on pins STB and EN will internally be set to low-level to provide fail safe functionality. In this way, a low-power mode will be forced in case of missing/failing VCC supply. Similarly, missing/failing VBAT supply - i.e. VBAT being below FLAG_VBAT level - will lead to a fail-safe behavior of the transceiver by forcing a low-power mode. A forced low-power in case of missing supplies guarantees that the transceiver will in no way disturb the other CAN nodes when the local electronic unit looses ground or battery connection.
EN
INH Act
ERR RxD RTL
POR- flag WU- int
High Low
Vbat
EN, STB change state
STB change state
Normal Mode
STB EN INH Act
ERR RxD RTL
Err- flag Rec. out STB change state
GoTo Sleep Mode
STB EN INH Act 2)
ERR RxD
WU- int WU- int
RTL Vbat
Time-out GoToSleep mode
High High
Vcc
Low High
EN, STB change state
EN change state
Standby Mode
STB Low EN Low INH Act
ERR RxD RTL
WU- int WU- int
Sleep Mode
STB
Local or Remote
EN Low
INH Hz
ERR RxD RTL
WU- int 1) WU- int 1)
Wake-up 3) 1) Only when Vcc > POR_Vcc 2) INH active for a time = T_GoToSleep 3) Local Wake-up through pin Wake which change state Power-On for a time > T_wake_min Remote Wake-up through pin CANL or CANH when dominant for a time >TCANH_min or TCANL_min 4) Mode Change through pins STB and EN is only possible if Vcc > POR_Vcc Figure 5. Low Power Modes
Vbat
Low
Vbat
Mode Change 4)
Power-On
After power-on (VBAT switched on) the signal on Pin INH will become high and an internal power-on flag will be set. This flag can be read in the power-on standby mode via pin ERR (STB = 1; EN = 0) and will be reset by entering the normal operating mode.
Protections
A current limiting circuit protects the transmitter output stages against short circuit to positive and negative battery
voltage. If the junction temperature exceeds a maximum value, the transmitter output stages are disabled and flagged on the ERR pin. Because the transmitter is responsible for the major part of the power dissipation, this will result in reduced power dissipation and hence a lower chip temperature. All other parts of the IC will remain operating. The Pins CANH and CANL are protected against electrical transients that may occur in an automotive environment.
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AMIS-41682, AMIS-41683
ELECTRICAL CHARACTERISTICS
Definitions
All voltages are referenced to GND (Pin 13). Positive currents flow into the IC. Sinking current means that the
current is flowing into the pin. Sourcing current means that the current is flowing out of the pin.
Table 5. CHARACTERISTICS AMIS-4168x VCC = 4.75 V to 5.25 V, VBAT = 5 V to 36 V, TJ = -40C to +150C; unless otherwise
specified. Symbol SUPPLIES VCC VBAT ICC Supply Current Normal Operating Mode; VTXD = VCC (Recessive) Normal Operating Mode; VTXD = 0 V (Dominant); No Load FLAG_VCC IBAT Forced Low Power Mode Battery Current on Pin BAT VCC Rising VCC Falling In All Modes of Operation; 500 V between RTL - CANL 500 V between RTH - CANH VBAT = WAKE = INH = 5 V to 36 V In Sleepmode VCC = 0 V, VBAT = 12.5 V TA = 70C ICC+ IBAT Supply Current Plus Battery Current Low power modes; VCC = 5 V; TA = -40C to 100C VBAT = WAKE = INH = 5 to 36V Low power modes; VCC = 5 V; TA = 100C to 150C VBAT = WAKE = INH = 5 V to 36 V For Setting Power-on Flag For Not Setting Power-on Flag 3.5 2.1 2.4 1 1 3.7 8 6.3 12 4.5 110 230 mA mA V mA Parameter Conditions Min Typ Max Unit
2.45 10
35
42
mA
30
60
mA
ICC+ IBAT
Supply Current Plus Battery Current
80
mA
FLAG_VBAT
Power-on Flag-Level for Pin VBAT
1
V
PINS STB, EN AND TXD RPD TDisTxD TGoToSleep PIN WAKE IIL Vth(WAKE) TWakeMin PIN INH DVH Ileak High-Level Voltage Drop Leakage Current IINH = $0.18 mA Sleep mode; VINH = 0 V 0.8 1 V mA Low-Level Input Current Wake-up Threshold Voltage Minimum Time on Pin Wake (Debounce Time) VWAKE = 0 V; VBAT = 27V VSTB = 0 V VBAT = 12 V; Low Power Mode; for Rising and Falling Edge -10 2.5 7 3.2 -1 3.9 38 mA V ms Pulldown Resistor at Pin EN and STB Dominant Time-out for TxD Minimum Hold-Time for Go-To-Sleep Mode 1V Normal Mode; VtxD = 0 V 190 0.75 5 360 600 4 50 kW ms ms
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AMIS-41682, AMIS-41683
Table 6. CHARACTERISTICS AMIS-41682 (5 V Version) VCC = 4.75 V to 5.25 V, VBAT = 5 V to 36 V, TJ = -40C to +150C;
unless otherwise specified. Symbol PINS STB, EN AND TXD VIH VIL I-PU-H I-PU-L High-level input voltage Low-level input voltage High-level input current pin TXD Low-level input current pin TXD TXD = 0.7 * VCC TXD = 0.3 * VCC lsource = -1 mA Isink = 1.6 mA Isink = 7.5 mA 0.7 x VCC -0.3 -10 -80 6.0 0.3 x VCC -200 -800 V V mA mA Parameter Conditions Min Typ Max Unit
PINS RXD AND ERR VOH VOL High-level output voltage Low-level output voltage VCC - 0.9 0 0 VCC 0.4 1.5 V V V
Table 7. CHARACTERISTICS AMIS-41683 (3.3 Version) VCC = 4.75 V to 5.25 V, VBAT = 5 V to 36 V, TJ = -40C to +150C;
unless otherwise specified. Symbol PINS STB, EN AND TXD VIH VIL I-PU-H High-Level Input Voltage Low-Level Input Voltage High-Level Input Current Pin TXD TXD = 2 V 2 -0.3 -10 6.0 0.8 V V mA Parameter Conditions Min Typ Max Unit
PINS RXD AND ERR VOL Ileak Low-Level Output Voltage Open Drain Leakage When Driver is Off lsink = 3.2 mA VERR = VRXD = 5 V 0.4 1 V mA
Table 8. CHARACTERISTICS AMIS-4168x VCC = 4.75 V to 5.25 V, VBAT = 5 V to 36 V, TJ = -40C to +150C; unless otherwise
specified. Symbol Parameter Conditions Min Typ Max Unit
Pins CANH and CANL (Receiver) Vdiff Differential Receiver Threshold Voltage No Failures and Bus Failures 1, 2, 4, and 6a (See Figure 4) VCC = 5 V VCC = 4.75 V to 5.25 V Normal Operating Mode and Failures 4, 6 and 7 VCC = 5 V VCC = 4.75 V to 5.25 V Normal Operating Mode and Failures 3 and 3a VCC = 5 V VCC = 4.75 V to 5.25 V Normal Operating Mode V -3.25 0.65 x VCC -3 0.6 x VCC -2.75 0.55 x VCC V 1.6 0.32 x VCC 1.775 0.355 x VCC 1.95 0.39 x VCC V V V
VseCANH
Single-Ended Receiver Threshold Voltage on Pin CANH
VseCANL
Single-Ended Receiver Threshold Voltage on Pin CANL
3 0.61 x VCC 6.5
3.2 0.645 x VCC 7.3
3.4 0.68 x VCC 8
Vdet(CANL)
Detection Threshold Voltage for Short Circuit to Battery Voltage on Pin CANL Wake-up Threshold Voltage On Pin CANL On Pin CANH
Vth(wake)
Low Power Modes
2.5 1.1
3.2 1.8
3. 9 2.25
V
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AMIS-41682, AMIS-41683
Table 8. CHARACTERISTICS AMIS-4168x VCC = 4.75 V to 5.25 V, VBAT = 5 V to 36 V, TJ = -40C to +150C; unless otherwise
specified. Symbol Parameter Conditions Min Typ Max Unit
Pins CANH and CANL (Receiver) DVth(wake) Difference of Wake-up Threshold Voltages Low Power Modes 0.8 1.4 V
PINS CANH AND CANL (TRANSMITTER) VO(reces) Recessive Output Voltage On Pin CANH On Pin CANL Dominant Output Voltage On Pin CANH On Pin CANL Output Current on Pin CANH VTXD = VCC RRTH < 4 kW RRTL < 4 kW VTXD = 0V; VEN = VCC 0 mA ICANH -40 mA 0 mA ICANL 40 mA Normal Operating Mode; VCANH = 0V; VTXD = 0 V Low Power Modes; VCANH = 0V; VCC = 5 V IO(CANL) Output Current on Pin CANL Normal Operating Mode; VCANL = 14 V; VTXD = 0 V Low Power Modes; VCANL = 12 V; VBAT = 12 V PINS RTH AND RTL RSW(RTL) RSW(RTH) VO(RTH) IO(RTL) Ipu(RTL) Ipd(RTH) Switch-on Resistance Between Pin RTL and VCC Switch-on Resistance Between Pin RTH and ground Output Voltage on Pin RTH Output Current on Pin RTL Pullup Current on Pin RTL Pulldown Current on Pin RTH Normal operating mode; I(RTL) > -10 mA Normal operating mode; I(RTH) < 10 mA Low power modes; IO = 1 mA Low power modes; VRTL = 0 V Normal operating mode and failures 4, 6 and 7; VRTL = 0 V Normal operating mode and failures 3 and 3a -1.25 -75 -75 100 100 1.0 -0.3 W W V mA mA mA 0.2 V
VCC - 0.2 VCC - 1.4 -110 -1.6 45 -1 -80 0.5 80 0.5
VO(dom)
V 1.4 -45 1.6 110 1 mA mA mA mA
IO(CANH)
THERMAL SHUTDOWN TJ Junction Temperature For Shutdown 150 180 C
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AMIS-41682, AMIS-41683
Table 9. TIMING CHARACTERISTICS AMIS-4168x VCC = 4.75 V to 5.25 V, VBAT = 5 V to 27 V, VSTB = VCC, TJ = -40C to
+150C; unless otherwise specified. Symbol tt(r-d) Parameter CANL and CANH Output Transition Time for Recessive-to-Dominant CANL and CANH Output Transition Time for Dominant-to-Recessive Propagation Delay TXD to RXD (LOW) Conditions 10 to 90%; C1 = 10 nF; C2 = 0; R1 = 125 W (See Figure 6) 10 to 90%; C1 = 1 nF; C2 = 0; R1 = 125 W (See Figure 6) No Failures C1 = 1 nF; C2 = 0; R1 = 125 W C1 = C2 = 3.3 nF; R1 = 125 W Failures 1, 2, 5, and 6a (See Figures 4 and 6) Min 0.35 Typ 0.60 Max 1.4 Unit ms
tt(d-r)
0.2
0.3
0.7
ms
tPD(L)
0.75 1.4 1.2 1.4
1.5 2.1 1.9 2.1
ms
ms
Failures 3, 3a, 4, 6, and 7 (See Figures 4 and 6) C1 = 1 nF; C2 = 0; R1 = 125 W C1 = C2 = 3.3 nF; R1 = 125 W C1 = 1 nF; C2 = 0; R1 = 125 W C1 = C2 = 3.3nF; R1 = 125 W tPD(H) Propagation Delay TXD to RXD (HIGH) No Failures C1 = 1 nF; C2 = 0; R1 = 125 W C1 = C2 = 3.3nF; R1 = 125 W Failures 1, 2, 5, and 6a (See Figures 4 and 6) C1 = 1nF; C2 = 0; R1 = 125 W C1 = C2 = 3.3nF; R1 = 125 W Failures 3, 3a, 4, 6, and 7 (See Figures 4 and 6) C1 = 1 nF; C2 = 0; R1 = 125 W C1 = C2 = 3.3 nF; R1 = 125 W tCANH(min) tCANL(min) tdet Minimum Dominant Time for Wake-up on Pin CANH Minimum Dominant Time for Wake-up on Pin CANL Failure Detection Time Low Power Modes; VBAT = 12 V Low Power Modes; VBAT = 12 V Normal Mode Failure 3 and 3a Failure 4, 6 and 7 Low Power Modes; VBAT = 12 V Failure 3 and 3a Failure 4 and 7 trec Failure Recovery Time Normal Mode Failure 3 and 3a Failure 4 and 7 Failure 6 Low Power Modes; VBAT = 12 V Failures 3, 3a, 4, and 7 Dpc Pulse-Count Difference Between CANH and CANL Normal Mode and Failures 1, 2, 4, and 6a Failure Detection (Pin ERR becomes LOW) Failure Recovery (Pin ERR becomes HIGH) 7 7
ms 1.2 1.5 0.75 2.5 1.2 2.5 1.2 1.5 1.9 2.2 1.5 3.0 1.9 3.0 1.9 2.2 38 38 ms
ms
ms
ms ms ms
1.6 0.3 1.6 0.1 0.3 7 125 0.3
8.0 1.6 8.0 1.6 1.6 38 750 1.6
ms
ms ms ms ms -
4 4
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AMIS-41682, AMIS-41683
BATTERY +5V VCC 10 EN ERR STB RxD 20 pF TxD 6 4 5 3 2 13 GND PC20080724.1 8 AMIS-4168x 11 12 1 INH VBAT 14 WAKE 7 9 RTL CANL CANH 500 W C1 R1 C1 500 W
C2
RTH
R1
Figure 6. Test Circuit for Dynamic
recessive TxD 50%
dominant
recessive 50% tt(d-r) 5V
tt(r-d) VCANL
90% 10%
3.6V 10% 1.4V
90%
VCANH RxD
0V
0.3Vcc tPD(L) PC20050511.3 tPD(H)
0.7Vcc
Figure 7. Timing Diagram for AC Characteristics
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AMIS-41682, AMIS-41683
BATTERY 100 nF +5V 100 nF VCC 10 EN ERR STB TxD Generator RxD 20 pF 6 4 5 2 3 13 GND PC20050511.5 8 AMIS-4168x 11 12 INH 1 VBAT 14 WAKE 7 560 W 9 RTL CANL CANH 560 W 120 W 4.7 nF 10 k W 33 k W
120 W
4.7 nF Active Probe Spectrum Anayzer
RTH
Figure 8. Test Set-up EME Measurements
Figure 9. EME Measurements (See Figure 8)
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AMIS-41682, AMIS-41683
BATTERY +5V VCC 10 EN ERR STB RxD 20 pF TxD 6 4 5 3 2 13 GND PC20041029.5 8 AMIS-4168x 11 12 INH 1 VBAT 14 WAKE 511 W 7 9 1 nF RTL CANL CANH 511 W 1 nF
1 nF Transient Generator
RTH
125 W
1 nF
Figure 10. Test Circuit for Schaffner Tests (ISO 7637 part)
DEVICE ORDERING INFORMATION
Part Number AMIS41682CANM1G AMIS41682CANM1RG AMIS41683CANN1G AMIS41683CANN1RG Voltage 5V 5V 3.3 V 3.3 V Temperature Range -40C - 125C -40C - 125C -40C - 125C -40C - 125C Package Type SOIC-14 (Pb-Free) SOIC-14 (Pb-Free) SOIC-14 (Pb-Free) SOIC-14 (Pb-Free) Shipping 55 Tube / Tray 3000 / Tape & Reel 55 Tube / Tray 3000 / Tape & Reel
For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D.
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AMIS-41682, AMIS-41683
PACKAGE DIMENSIONS
SOIC 14 CASE 751AP-01 ISSUE A
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AMIS-41682, AMIS-41683
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada Email: orderlit@onsemi.com N. American Technical Support: 800-282-9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81-3-5773-3850 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative
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AMIS-41682/D

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