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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 de-
signed to accurately detect low-level analog signals and
drive a digital load. They are equivalent to an LM710, com-
bined 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 in-
rush 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 ef-
fect 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
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
© 1997 National Semiconductor Corporation
DS007756
www.national.com
1
PrintDate=1997/05/07 PrintTime=10:34:16 6917 ds007756 Rev. No. 1
Proof
1
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
www.national.com
2
PrintDate=1997/05/07 PrintTime=10:34:17 6917 ds007756 Rev. No. 1
Proof
2
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
±
5V
(Note 2)
Conditions
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
T
MAX
T
MIN
−55˚C to +125˚C
0˚C to +70˚C
−65˚C to +150˚C
300˚C
Electrical Characteristics
Parameter
Input Offset Voltage
Input Offset Current
Input Bias Current
Response Time
Saturation Voltage
Output Leakage Current
LM106
Min
Typ
0.5
0.7
10
28
1.0
0.02
Max
2.0
3.0
20
40
1.5
Min
LM306
Typ
1.6
1.8
16
28
Max
5.0
5.0
25
40
Units
mV
µA
µA
ns
V
(Note 3)
(Note 3)
R
L
= 390Ω to 5V
C
L
= 15 pF, (Note 4)
V
IN
≤
−5 mV, I
OUT
= 100 mA
V
IN
≤
−7 mV, I
OUT
= 100 mA
V
IN
≥
5 mV, 8V
≤
V
OUT
≤
24V
V
IN
≥
7 mV, 8V
≤
V
OUT
≤
24V
0.8
1.0
0.02
3.0
3.0
10
7.0
3.0
25
75
45
20
15
24
25
5
2.4
2.0
2.0
6.5
20
7.5
5.0
50
100
40
25
V
µA
µA
mV
µV/˚C
µA
µA
nA/˚C
nA/˚C
µA
µA
V
V
THE FOLLOWING SPECIFICATIONS APPLY FOR T
MIN
≤
T
A
≤
T
MAX
(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
V
IN
≤
−5 mV, I
OUT
= 50 mA
V
IN
≤
−8 mV For LM306
V
IN
≤
−5 mV, I
OUT
= 16 mA
V
IN
≤
−8 mV For LM306
V
IN
≥
5 mV, I
OUT
= −400µA
V
IN
≥
8 mV For LM306
V
IN
≥
5 mV, 8V
≤
V
OUT
≤
24V
V
IN
≥
8 mV For LM306
T
L
≤
T
A
≤
25˚C
Strobe Current
Strobe “ON” Voltage
Strobe “OFF” Voltage
Positive Supply Current
Negative Supply Current
I
SINK
≤
16 mA
V
IN
= −5 mV
V
IN
= −8 mV for LM306
25˚C
<
T
A
≤
T
H
V
STROBE
= 0.4V
0.9
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
µA
mA
V
V
mA
mA
1.0
2.0
µA
2.5
T
L
≤
T
A
≤
25˚C, (Note 3)
25˚C
≤
T
A
≤
T
H
25˚C
≤
T
A
≤
T
H
T
L
≤
T
A
≤
25˚C
T
L
≤
T
A
≤
25˚C
25˚C
≤
T
A
≤
T
H
−7V
≥
V
−
≥
−12V
1.8
0.25
5.0
15
(Note 3)
±
5.0
±
5.0
1.0
0.4
5.5
±
5.0
±
5.0
1.0
0.4
2.5
5.5
V
V
V
3
www.national.com
PrintDate=1997/05/07 PrintTime=10:34:19 6917 ds007756 Rev. No. 1
Proof
3
Electrical Characteristics
(Note 2) (Continued)
Note 1:
The maximum 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
Level Detector and Lamp Driver
Fast Response Peak Detector
DS007756-4
DS007756-5
Relay Driver
Adjustable Threshold Line Receiver
DS007756-7
DS007756-6
*Optional for response time control.
Typical Performance Characteristics
Transfer Function
Transconductance
Voltage Gain
DS007756-9
DS007756-10
DS007756-11
www.national.com
4
PrintDate=1997/05/07 PrintTime=10:34:20 6917 ds007756 Rev. No. 1
Proof
4
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