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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,DTLor 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 −55˚C to
+125˚C military temperature range. The LM306 is specified
for operation over 0˚C to +70˚C temperature range.
Features
n Improved accuracy
n Fan-out of 10 with DTL or TTL
n Added logic or strobe capability
n Useful as a relay or lamp driver
n Plug-in replacement for the LM710
n 40 ns maximum response time
December 1994
LM106/LM306 Voltage Comparator
LM106/LM306
© 1997 National Semiconductor Corporation DS007756 www.national.com
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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
DS007756-1
Metal Can
DS007756-2
Note: Pin 4 connected to case.
†
Available per SMD#8003701
Top View
Order Number LM106H,
LM106H/883
†
or LM306H
See NS Package Number H08A
PrintDate=1997/05/07 PrintTime=10:34:17 6917 ds007756 Rev. No. 1 Proof 2
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Absolute Maximum Ratings (Note *NO
TARGET FOR FNXref NS0058*)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 6)
Positive Supply Voltage 15V
Negative Supply Voltage −15V
Output Voltage 24V
Output to Negative Supply Voltage 30V
Differential Input Voltage
±
5V
Input Voltage
±
7V
Power Dissipation (Note 1) 600 mW
Output Short Circuit Duration 10 seconds
Operating Temperature Range T
MINTMAX
LM106 −55˚C to +125˚C
LM306 0˚C to +70˚C
Storage Temperature Range −65˚C to +150˚C
Lead Temperature (Soldering, 10 sec.) 300˚C
ESD rating to be determined.
Electrical Characteristics (Note 2)
Parameter Conditions LM106 LM306 Units
Min Typ Max Min Typ Max
Input Offset Voltage (Note 3) 0.5 2.0 1.6 5.0 mV
Input Offset Current (Note 3) 0.7 3.0 1.8 5.0 µA
Input Bias Current 10 20 16 25 µA
Response Time R
L
=
390Ω to 5V 28 40 28 40 ns
C
L
=
15 pF, (Note 4)
Saturation Voltage V
IN
≤ −5 mV, I
OUT
=
100 mA 1.0 1.5 V
V
IN
≤ −7 mV, I
OUT
=
100 mA 0.8 2.0 V
Output Leakage Current V
IN
≥ 5 mV, 8V ≤ V
OUT
≤ 24V 0.02 1.0 µA
V
IN
≥ 7 mV, 8V ≤ V
OUT
≤ 24V 0.02 2.0 µA
THE FOLLOWING SPECIFICATIONS APPLY FOR T
MIN
≤ TA≤ T
MAX
(Note 5)
Input Offset Voltage (Note 3) 3.0 6.5 mV
Average Temperature Coefficient of 3.0 10 5 20 µV/˚C
Input Offset Voltage
Input Offset Current T
L
≤ TA≤ 25˚C, (Note 3) 1.8 7.0 2.4 7.5 µA
25˚C ≤ T
A
≤ T
H
0.25 3.0 5.0 µA
Average Temperature Coefficient of 25˚C ≤ T
A
≤ T
H
5.0 25 15 50 nA/˚C
Input Offset Current T
L
≤ TA≤ 25˚C 15 75 24 100 nA/˚C
Input Bias Current T
L
≤ TA≤ 25˚C 45 25 40 µA
25˚C ≤ T
A
≤ T
H
20 25 µA
Input Voltage Range −7V ≥ V
−
≥ −12V
±
5.0
±
5.0 V
Differential Input Voltage Range
±
5.0
±
5.0 V
Saturation Voltage V
IN
≤ −5 mV, I
OUT
=
50 mA 1.0 1.0 V
V
IN
≤ −8 mV For LM306
Saturation Voltage V
IN
≤ −5 mV, I
OUT
=
16 mA 0.4 0.4 V
V
IN
≤ −8 mV For LM306
Positive Output Level V
IN
≥ 5 mV, I
OUT
=
−400µA 2.5 5.5 2.5 5.5 V
V
IN
≥ 8 mV For LM306
Output Leakage Current V
IN
≥ 5 mV, 8V ≤ V
OUT
≤ 24V 1.0 2.0 µA
V
IN
≥ 8 mV For LM306
T
L
≤ TA≤ 25˚C
25˚C
<
TA≤ T
H
100 100 µA
Strobe Current V
STROBE
=
0.4V −1.7 −3.2 −1.7 −3.2 mA
Strobe “ON” Voltage 0.9 1.4 0.9 1.4 V
Strobe “OFF” Voltage I
SINK
≤ 16 mA 1.4 2.2 1.4 2.2 V
Positive Supply Current V
IN
=
−5 mV 5.5 10 5.5 10 mA
V
IN
=
−8 mV for LM306
Negative Supply Current −1.5 −3.6 −1.5 −3.6 mA
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Electrical Characteristics (Note 2) (Continued)
Note 1: Themaximum junction temperature of LM106 is 150˚C, LM306 is 85˚C. For operating at elevated temperatures, devices must be derated based on a thermal
resistance of 170˚C/W, junction to ambient, or 23˚C/W, junction to case.
Note 2: These specifications apply for −3V ≥ V
−
≥ −12V, V
+
=
12V and T
A
=
25˚C 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
Typical Performance Characteristics
Level Detector and Lamp Driver
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Fast Response Peak Detector
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Relay Driver
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Adjustable Threshold Line Receiver
DS007756-7
*Optional for response time control.
Transfer Function
DS007756-9
Transconductance
DS007756-10
Voltage Gain
DS007756-11
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Typical Performance Characteristics (Continued)
Saturation Voltage
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Positive Output Level
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Short Circuit Output Current
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Input Current
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Response Time for
Various Input Overdrives
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Response Time for
Various Input Overdrives
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Positive Supply Current
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Negative Supply Current
DS007756-19
Power Consumption
DS007756-20
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Book
Extract
End
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Physical Dimensions inches (millimeters)
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1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into
the body, or (b) support or sustain life, and whose failure 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.
2. A critical component in any component of a life support
device or system whose failure to perform can be reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
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Metal Can Package (H)
Order Number LM106H, LM106H/883 or LM306H
NS Package Number H08A
LM106/LM306 Voltage Comparator
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PrintDate=1997/05/07 PrintTime=10:34:22 6917 ds007756 Rev. No. 1
Proof 6
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.
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