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LM106/LM306 Voltage Comparator
LM106/LM306
December 1994
LM106/LM306 Voltage Comparator
General Description
The LM106 series are high-speed voltage comparators designed to accurately detect low-level analog signals and drive a digital load. They are equivalent to an LM710, combined with a two input NAND gate and an output buffer. The circuits can drive RTL, DTL or TTL integrated circuits directly. Furthermore, their outputs can switch voltages up to 24V at currents as high as 10 mA. The devices have short-circuit protection which limits the inrush current when it is used to drive incandescent lamps, in addition to preventing damage from accidental shorts to the positive supply. The speed is equivalent to that of an LM710. However, they are even faster where buffers and additional logic circuitry can be eliminated by the increased flexibility of the LM106 series. They can also be operated from any negative supply voltage between -3V and -12V with little effect on performance. The LM106 is specified for operation over the -55C to +125C military temperature range. The LM306 is specified for operation over 0C to +70C temperature range.
Features
n n n n n n Improved accuracy Fan-out of 10 with DTL or TTL Added logic or strobe capability Useful as a relay or lamp driver Plug-in replacement for the LM710 40 ns maximum response time
(c) 1997 National Semiconductor Corporation
DS007756
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PrintDate=1997/05/07 PrintTime=10:34:16 6917 ds007756 Rev. No. 1
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Schematic and Connection Diagrams
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Metal Can
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Note: Pin 4 connected to case. Available per SMD# 8003701
Top View Order Number LM106H, LM106H/883 or LM306H See NS Package Number H08A
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PrintDate=1997/05/07 PrintTime=10:34:17 6917 ds007756 Rev. No. 1
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Absolute Maximum Ratings
TARGET FOR FNXref NS0058*)
(Note *NO
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. (Note 6) Positive Supply Voltage Negative Supply Voltage Output Voltage Output to Negative Supply Voltage Differential Input Voltage 15V -15V 24V 30V
Input Voltage Power Dissipation (Note 1) Output Short Circuit Duration Operating Temperature Range LM106 LM306 Storage Temperature Range Lead Temperature (Soldering, 10 sec.) ESD rating to be determined.
7V
600 mW 10 seconds TMAX TMIN -55C to +125C 0C to +70C -65C to +150C 300C
5V
(Note 2) Conditions Min (Note 3) (Note 3) RL = 390 to 5V CL = 15 pF, (Note 4) VIN -5 mV, IOUT = 100 mA VIN -7 mV, IOUT = 100 mA VIN 5 mV, 8V VOUT 24V VIN 7 mV, 8V VOUT 24V LM106 Typ 0.5 0.7 10 28 1.0 0.02 Max 2.0 3.0 20 40 1.5 0.8 1.0 0.02 3.0 3.0 TL TA 25C, (Note 3) 25C TA TH 25C TA TH TL TA 25C TL TA 25C 25C TA TH -7V V- -12V VIN -5 mV, IOUT = 50 mA VIN -8 mV For LM306 VIN -5 mV, IOUT = 16 mA VIN -8 mV For LM306 VIN 5 mV, IOUT = -400A VIN 8 mV For LM306 VIN 5 mV, 8V VOUT 24V VIN 8 mV For LM306 TL TA 25C 25C < TA TH VSTROBE = 0.4V 0.9 ISINK 16 mA VIN = -5 mV VIN = -8 mV for LM306 100 -1.7 1.4 1.4 5.5 -1.5 2.2 10 -3.6 -3.2 0.9 -1.7 1.4 1.4 5.5 -1.5 2.2 10 -3.6 100 -3.2 A mA V V mA mA 2.5 1.8 0.25 5.0 15 10 7.0 3.0 25 75 45 20 15 24 25 5 2.4 2.0 6.5 20 7.5 5.0 50 100 40 25 2.0 Min LM306 Typ 1.6 1.8 16 28 Max 5.0 5.0 25 40 mV A A ns V V A A mV V/C A A nA/C nA/C A A V V 1.0 0.4 2.5 5.5 2.0 V V V A Units
Electrical Characteristics
Parameter Input Offset Voltage Input Offset Current Input Bias Current Response Time Saturation Voltage Output Leakage Current
THE FOLLOWING SPECIFICATIONS APPLY FOR TMIN TA TMAX (Note 5) Input Offset Voltage Average Temperature Coefficient of Input Offset Voltage Input Offset Current Average Temperature Coefficient of Input Offset Current Input Bias Current Input Voltage Range Differential Input Voltage Range Saturation Voltage Saturation Voltage Positive Output Level Output Leakage Current (Note 3)
5.0 5.0
1.0 0.4 5.5 1.0
5.0 5.0
Strobe Current Strobe "ON" Voltage Strobe "OFF" Voltage Positive Supply Current Negative Supply Current
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PrintDate=1997/05/07 PrintTime=10:34:19 6917 ds007756 Rev. No. 1
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Electrical Characteristics
(Note 2) (Continued)
Note 1: The maximum junction temperature of LM106 is 150C, LM306 is 85C. For operating at elevated temperatures, devices must be derated based on a thermal resistance of 170C/W, junction to ambient, or 23C/W, junction to case. Note 2: These specifications apply for -3V V- -12V, V+ = 12V and TA = 25C unless otherwise specified. All currents into device pins are considered positive. Note 3: The offset voltages and offset currents given are the maximum values required to drive the output down to 0.5V or up to 4.4V (0.5V or up to 4.8V for the LM306). Thus, these parameters actually define an error band and take into account the worst-case effects of voltage gain, specified supply voltage variations, and common mode voltage variations. Note 4: The response time specified (see definitions) is for a 100 mV input step with 5 mV overdrive. Note 5: All currents into device pins are considered positive. Note 6: Refer to RETS106X for LM106 military specifications.
Typical Applications
Level Detector and Lamp Driver Fast Response Peak Detector
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Relay Driver
Adjustable Threshold Line Receiver
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*Optional for response time control.
Typical Performance Characteristics
Transfer Function Transconductance Voltage Gain
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PrintDate=1997/05/07 PrintTime=10:34:20 6917 ds007756 Rev. No. 1
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Typical Performance Characteristics
Saturation Voltage
(Continued) Short Circuit Output Current
Positive Output Level
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Input Current
Response Time for Various Input Overdrives
Response Time for Various Input Overdrives
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Positive Supply Current
Negative Supply Current
Power Consumption
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Book Extract End
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PrintDate=1997/05/07 PrintTime=10:34:21 6917 ds007756 Rev. No. 1
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LM106/LM306 Voltage Comparator
Physical Dimensions
inches (millimeters)
Metal Can Package (H) Order Number LM106H, LM106H/883 or LM306H NS Package Number H08A
LIFE SUPPORT POLICY NATIONAL'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component in any component of a life support 1. Life support devices or systems are devices or sysdevice or system whose failure to perform can be reatems which, (a) are intended for surgical implant into sonably expected to cause the failure of the life support the body, or (b) support or sustain life, and whose faildevice or system, or to affect its safety or effectiveness. ure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user.
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National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
PrintDate=1997/05/07 PrintTime=10:34:22 6917 ds007756 Rev. No. 1
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