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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
August 2008
FOD050L, FOD250L: Single Channel FOD053L: Dual Channel LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Features
Low power consumption High speed Available in single channel 8-pin DIP (FOD250L),
Description
The FOD250L, FOD050L and FOD053L optocouplers consist of an AlGaAs LED optically coupled to a high speed photodetector transistor. These devices are specified for operation at a 3.3V supply voltage. A separate connection for the bias of the photodiode improves the speed by several orders of magnitude over conventional phototransistor optocouplers by reducing the basecollector capacitance of the input transistor. An internal noise shield provides superior common mode rejection of CMH = 50kV/ms (typical) and CML = 35kV/ms (typical).

8-pin SOIC (FOD050L) or dual channel 8-pin SOIC (FOD053L) Superior CMR - CMH = 50kV/s (typical) and CML = 35kV/s (typical) Guaranteed performance over temperature: 0C to 70C U.L. recognized (File # E90700) VDE pending
Applications
Line receivers Pulse transformer replacement High speed logic ground isolation: LVTTL/LVCMOS Wide bandwidth analog coupling
Schematics
Package Outlines
N/C 1
8 VCC
+1 VF1
8 VCC
8 8 1 1
+2 VF _ 3
7 VB
_
2
7 V01
6 VO
_
3
6 V02
8 1
8 1
VF2 N/C 4 5 GND +4 5 GND
Truth Table
FOD050L, FOD250L FOD053L
LED On Off
VO LOW HIGH
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Absolute Maximum Ratings
(TA = 25C unless otherwise specified.)
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only.
Symbol
TSTG TOPR TSOL EMITTER IF (avg) IF (pk) IF (trans) VR PD DETECTOR IO (avg) IO (pk) VEBR VCC VO IB PD Average Output Current Peak Output Current Emitter-Base Reverse Voltage Supply Voltage Output Voltage Base Current Storage Temperature Operating Temperature
Parameter
Value
-40 to +125 -40 to +85 260 for 10 sec Each Channel Each Channel Each Channel Each Channel Each Channel 25 50 1.0 5 45
Units
C C C mA mA A V mW
Lead Solder Temperature (Wave solder only) DC/Average Forward Input Current Peak Forward Input Current (50% duty cycle, 1ms P.W.) Peak Transient Input Current (1 s P.W., 300pps) Reverse Input Voltage Input Power Dissipation (No derating required up to 85C)
Each Channel Each Channel FOD050L, FOD250L only
8 16 5 -0.5 to 7 -0.5 to 7
mA mA V V V mA mW
FOD050L, FOD250L only Each Channel
5 100
Output Power Dissipation (No derating required up to 85C)
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Electrical Characteristics
(TA = 0 to 70C unless otherwise specified.)
Individual Component Characteristics Symbol
EMITTER VF BVR Input Forward Voltage Input Reverse Breakdown Voltage Logic High Output Current Logic Low Supply Current IF = 16mA, TA =25C IF = 16mA IR = 10A All 5.0 All 1.45 1.7 1.8 V V
Parameter
Test Conditions
Device
Min.
Typ.*
Max.
Unit
DETECTOR IOH ICCL IF = 0mA, VO = VCC = 3.3V, TA = 25C IF = 16mA, VO = Open, VCC = 3.3V IF1 = IF2 = 16mA, VO = Open, VCC = 3.3V ICCH Logic High Supply Current IF = 0mA, VO = Open, VCC = 3.3V, TA = 25C IF = 0mA, VO = Open, VCC = 3.3V **All Typicals at TA = 25C All FOD050L FOD250L FOD053L FOD050L FOD250L FOD053L 0.001 1 200 400 0.3 10 A A A
Transfer Characteristics Symbol
COUPLED CTR VOL Current Transfer Ratio(1) Logic Low Output Voltage Output Voltage IF = 16mA, VO = 0.4 V, VCC = 3.3V, TA = 25C IF = 16mA, IO = 3mA, VCC = 3.3V, TA = 25C All All 15 50 0.3 % V
Parameter
Test Conditions
Device
Min.
Typ.** Max.
Unit
*All Typicals at TA = 25C Note: 1. Current Transfer Ratio is defined as a ratio of output collector current, IO, to the forward LED input current, IF, times 100%.
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Electrical Characteristics
(Continued) (TA = 0 to 70C unless otherwise specified.)
Switching Characteristics (VCC = 3.3V) Symbol
TPHL TPLH |CMH|
Parameter
Propagation Delay Time to Logic LOW Propagation Delay Time to Logic HIGH Common Mode Transient Immunity at Logic HIGH
Test Conditions
RL = 1.9k, IF = 16mA(2) (Fig. 10) RL = 1.9k, IF = (Fig. 10) 16mA(2) 25C 25C
Device
All All All
Min.
Typ.**
Max. Unit
1.0 2.0 1.0 2.0 s V/s V/s V/s s
IF = 0mA, VCM = 1,000VP-P, RL = 4.1k, TA = 25C(3,4) (Fig. 11) IF = 0mA, VCM = 1,000VP-P, TA = 25C, RL = 1.9k(2,4) (Fig. 11) IF = 16mA, VCM = 1,000VP-P, RL = 4.1k. TA = 25C(3,4) (Fig. 11) IF = 16mA, VCM = 1,000 VP-P, RL = 1.9k(2,4) (Fig. 11)
5,000 5,000
50,000 50,000 35,000
|CML|
Common Mode Transient Immunity at Logic LOW
All
5,000
5,000
35,000
V/s
Isolation Characteristics Symbol
II-O
Characteristics
Input-Output Insulation Leakage Current Withstand Insulation Test Voltage Resistance (input to output) Capacitance (input to output)
Test Conditions
Relative humidity = 45%, TA = 25C, t = 5s, VI-O = 3000VDC(5) f = 60Hz, TA = 25C, t = 1 min.(5) VI-O = 500VDC(5)
Device
All
Min.
Typ.**
Max.
1.0
Unit
A
VISO
FOD050L FOD053L FOD250L All All
2500 5000 1011 1012 0.2
VRMS
RI-O CI-O
pF
f = 1MHz(5)
*All Typicals at TA = 25C Notes: 2. The 1.9k load represents 1 TTL unit load of 1.6mA and 5.6k pull-up resistor. 3. The 4.1k load represents 1 LSTTL unit load of 0.36mA and 6.1k pull-up resistor. 4. Common mode transient immunity in logic high level is the maximum tolerable (positive) dVcm/dt on the leading edge of the common mode pulse signal VCM, to assure that the output will remain in a logic high state (i.e., VO > 2.0V). Common mode transient immunity in logic low level is the maximum tolerable (negative) dVcm/dt on the trailing edge of the common mode pulse signal, VCM, to assure that the output will remain in a logic low state (i.e., VO < 0.8V). 5. Device is considered a two terminal device: Pins 1, 2, 3 and 4 are shorted together and Pins 5, 6, 7 and 8 are shorted together.
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Typical Performance Curves
Fig. 1 LED Forward Current vs. Forward Voltage
100 1.3
Fig. 2 Current Transfer Ratio vs. Forward Current (FOD050L, FOD053L)
CURRENT TRANSFER RATIO (Normalized)
V O = 0.4V V CC = 3.3V Normalized to IF = 16mA, TA = 25C
1.2
IF - FORWARD CURRENT (mA)
10 T A = 85C 1 T A = 70C T A = 25C T A = 0C T A = -40C
1.1
T A = 70C T A = 85C
1.0 T A = 0C
T A = 25C
0.1
0.9
0.8
0.01
0.7
T A = -40C
0.001 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
0.6 0 5 10 15 20 25
V F - FORWARD VOLTAGE (V)
IF - FORWARD CURRENT (mA)
Fig. 3 Current Transfer Ratio vs. Input Forward Current (FOD250L)
CURRENT TRANSFER RATIO (Normalized)
1.4 1.3 1.2
Fig. 4 Current Transfer Ratio vs. Ambient Temperature
1.6 1.6
CURRENT TRANSFER RATIO (Normalized)
VO = 0.4V VCC = 3.3V TA = 85C TA = 70C
Normalized to IF = 16mA, TA = 25C
1.4
1.2
1.2
1.1 1.0 0.9 0.8 0.7
TA = 25C
1.0
1.0
0.8
0.8
TA = 0C
0.6
0.6
0.4
0.4
TA = -40C
0.6 0.5 0 5 10 15 20 25
0.2
0.2
0.0 -40 -20 0 20 40 60 80 100
0.0
IF - FORWARD CURRENT (mA)
T A - AMBIENT TEMPERATURE (C)
Fig. 5 Output Current vs. Output Voltage
12
Fig 6. Logic High Output Current vs. Ambient Temperature
10
10
IF = 25mA
8
I OH - LOGIC HIGH OUTPUT CURRENT (nA)
TA = 25C VCC = 3.3V
VO = VCC = 3.3V IF = 0
IO - OUTPUT CURRENT (mA)
1
20mA
6
15mA
4
0.1
10mA
2
5mA
0 0 2 4 6 8 10 12 14 16
0.01 -40 -20 0 20 40 60 80 100
VO - OUTPUT VOLTAGE (V)
TA - AMBIENT TEMPERATURE (C)
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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IC - COLLECTOR CURRENT (mA) I LED = 1mA
IF = 16mA VO = 0.4V VCC = 3.3V
Normalized to TA = 25C
1.4
FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Typical Performance Curves (Continued)
Fig. 7 Supply Current vs. Input Forward Current
120 3.5
Fig. 8 Propagation Delay vs. Ambient Temperature
V
3.0
I CC (PER CHANNEL) - SUPPLY CURRENT (A)
TA = 25C VCC = 3.3V
CC
= 3.3V
IF = 16mA
tP - PROPAGATION DELAY (s)
100
2.5
80
tPLH, RL = 4.1k
2.0
60
1.5
40
tPLH, RL = 1.9k ,R
1.0
20
0.5
tPHL, RL = 1.9k & 4.1k
0 0 2 4 6 8 10 12 14 16
0.0 -40 -20 0 20 40 60 80 100
IF - INPUT FORWARD CURRENT (mA)
TA - AMBIENT TEMPERATURE (C)
Fig. 9 Propagation Delay vs Load Resistance
10
V
CC
= 3.3V
TA = 25C
tP - PROPAGATION DELAY (s)
tPLH, IF = 16mA
1
tPLH, IF = 10mA
tPHL, IF = 10mA
tPHL, IF = 16mA
0.1 1 2 3 5 10
R L - LOAD RESISTANCE (k)
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Test Circuits
1
+ Noise Shield
Pulse Generator I F tr = 5ns Z O = 50 10% D.C. I/f < 100s
8 7 6 5
VCC
+3.3 V
Pulse Generator tr = 5ns Z O = 50
IF
+
Noise Shield
1
VF1 -
8 7 6 5
VCC RL
+3.3 V
2
VF -
VB
RL
10% DUTY CYCLE I/f < 100S VO
2 3 4
V01
VO C L = 1.5 pF
3
I F Monitor Rm
VO 0.1 F
IF MONITOR VF2 + Rm
V02 0.1 F
4
GND
GND
C L = 1.5 pF
Test Circuit for FOD050L and FOD250L
Test Circuit for FOD053L
IF 0
VO 50% 50% VOL TPHL TPLH
3.3 V
Fig. 10 Switching Time Test Circuit
IF
1
+
Noise Shield
8 7 6 5
VCC
+3.3 V IF
+ VF1 A
Noise Shield
1 2 3 4
8 7 6 5
VCC RL V01
+3.3 V
2
A B VFF VF -
VB
RL
VO 0.1 F
3 4
+
VCM
VO
VO 0.1 F
B VFF
VF2 +
V02
GND
-
GND
-
Pulse Gen
+
VCM -
Pulse Gen Test Circuit for FOD050L and FOD250L Test Circuit for FOD053L
VCM 1000 V 10% tr
90%
90% 10% tf
0V
VO Switch at A : IF = 0 mA VO Switch at A : IF = 16 mA
3.3 V
VOL
Fig. 11 Common Mode Immunity Test Circuit
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Package Dimensions
Through Hole
PIN 1 ID.
4 3 2 1
4 3 2 1
0.4" Lead Spacing
PIN 1 ID.
0.270 (6.86) 0.250 (6.35)
5 6 7 8
0.270 (6.86) 0.250 (6.35)
0.390 (9.91) 0.370 (9.40)
5
6
7
8
SEATING PLANE
0.070 (1.78) 0.045 (1.14) 0.200 (5.08) 0.140 (3.55) 0.020 (0.51) MIN
SEATING PLANE
0.390 (9.91) 0.370 (9.40) 0.070 (1.78) 0.045 (1.14) 0.200 (5.08) 0.140 (3.55) 0.004 (0.10) MIN
0.154 (3.90) 0.120 (3.05) 0.022 (0.56) 0.016 (0.41) 0.100 (2.54) TYP 0.016 (0.40) 0.008 (0.20) 15 MAX 0.300 (7.62) TYP
0.154 (3.90) 0.120 (3.05) 0.022 (0.56) 0.016 (0.41) 0.100 (2.54) TYP 0.016 (0.40) 0.008 (0.20) 0 to 15 0.400 (10.16) TYP
Surface Mount
0.390 (9.91) 0.370 (9.40)
4 3 2 1
8-Pin DIP - Land Pattern
0.070 (1.78)
PIN 1 ID.
0.270 (6.86) 0.250 (6.35)
0.060 (1.52)
5
6
7
8
0.100 (2.54) 0.295 (7.49) 0.415 (10.54) 0.030 (0.76)
0.070 (1.78) 0.045 (1.14) 0.020 (0.51) MIN
0.300 (7.62) TYP 0.016 (0.41) 0.008 (0.20)
0.022 (0.56) 0.016 (0.41) 0.100 (2.54) TYP Lead Coplanarity : 0.004 (0.10) MAX
0.045 (1.14) 0.315 (8.00) MIN 0.405 (10.30) MAX.
Note: All dimensions are in inches (millimeters)
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Package Dimensions (Continued) (8-Pin SOIC)
Surface Mount
PIN 1 ID.
8-Pin Small Outline
0.024 (0.61)
0.164 (4.16) 0.144 (3.66)
SEATING PLANE
0.060 (1.52)
0.202 (5.13) 0.182 (4.63)
0.275 (6.99) 0.155 (3.94)
0.010 (0.25) 0.006 (0.16)
0.143 (3.63) 0.123 (3.13)
0.021 (0.53) 0.011 (0.28)
0.008 (0.20) 0.003 (0.08) 0.050 (1.27) TYP
0.244 (6.19) 0.224 (5.69)
0.050 (1.27)
Lead Coplanarity : 0.004 (0.10) MAX
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Ordering Information
Option
No Suffix S SD SV SDV T TV R1 R1V R2 R2V V
Order Entry Identifier
FOD250L FOD050L FOD250LS FOD250LSD Pending Approval Pending Approval FOD250LT Pending Approval FOD050LR1 Pending Approval FOD050LR2 Pending Approval Pending Approval
Description
Through Hole (DIP package only) Surface Mount Lead Form (SOIC-8 package only) Surface Mount Lead Bend (DIP package only) Surface Mount; Tape and reel (DIP package only) Surface Mount; VDE0884 (DIP package only) Surface Mount; Tape and reel, VDE0884 (1000 units per reel) (DIP package only) 0.4" Lead Spacing (DIP package only) 0.4" Lead Spacing, VDE0884 (DIP package only) Tape and Reel (500 units per reel) (SOIC-8 package only) VDE, Tape and Reel (500 units per reel) (SOIC-8 package only) Tape and Reel (2500 units per reel) (SOIC-8 package only) VDE, Tape and Reel (2500 units per reel) (SOIC-8 package only) VDE (SOIC-8 package only)
Marking Information
DIP
1 1
SOIC
2
50L V X YY S
6
250L V
3 4
2 6
XX YY T1
5
3
4
5
Definitions
1 2 3 4 (DIP) 4 (SOIC) 5 6 Fairchild logo Device number VDE mark (Note: Only appears on parts ordered with VDE option - See order entry table) Two digit year code, e.g., `03' One digit year code, e.g., `3' Two digit work week ranging from `01' to `53' Assembly package code
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Carrier Tape Specification
8-Pin DIP (FOD250L)
4.90 0.20
0.30 0.05 4.0 0.1 12.0 0.1 4.0 0.1 O1.55 0.05 1.75 0.10
7.5 0.1 13.2 0.2 10.30 0.20
16.0 0.3
0.1 MAX
10.30 0.20
O1.6 0.1
User Direction of Feed
8-Pin SOIC (FOD050L, FOD053L)
8.0 0.10 3.50 0.20 0.30 MAX 4.0 0.10 2.0 0.05 O1.5 MIN 1.75 0.10
5.5 0.05 8.3 0.10 12.0 0.3 5.20 0.20
0.1 MAX
6.40 0.20
O1.5 0.1/-0
User Direction of Feed
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
Reflow Profile
8-Pin DIP (FOD250L)
* Peak reflow temperature * Time of temperature higher than 245C * Number of reflows 260 C (package surface temperature) 40 seconds or less Three
300 250 Temperature (C) 200 150
10 s 260 245
40 s 100 50
50
100
150 Time (s)
200
250
8-Pin SOIC (FOD050L, FOD053L)
300 280 260 240 220 200 180 Time above 183C = 90 Sec >245C = 42 Sec 260C
C
160 140 120 100 80 60 40 20 0 0 60 120 180 33 Sec 1.822C/Sec Ramp up rate
270
360
Time (s)
(c)2003 Fairchild Semiconductor Corporation FOD050L, FOD250L, FOD053L Rev. 1.0.2
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FOD050L, FOD250L, FOD053L -- LVTTL/LVCMOS 3.3V High Speed Transistor Optocouplers
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Rev. I35
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