Datasheet

LM111-N, LM211-N, LM311-N
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SNOSBJ1E MAY 1999REVISED MARCH 2013
LM111-N/LM211-N/LM311-N Voltage Comparator
Check for Samples: LM111-N, LM211-N, LM311-N
Both the inputs and the outputs of the LM111-N,
1
FEATURES
LM211-N or the LM311-N can be isolated from
2
Operates From Single 5V Supply
system ground, and the output can drive loads
Input Current: 150 nA Max. Over Temperature
referred to ground, the positive supply or the negative
supply. Offset balancing and strobe capability are
Offset Current: 20 nA Max. Over Temperature
provided and outputs can be wire OR'ed. Although
Differential Input Voltage Range: ±30V
slower than the LM106 and LM710 (200 ns response
Power Consumption: 135 mW at ±15V
time vs 40 ns) the devices are also much less prone
to spurious oscillations. The LM111-N has the same
DESCRIPTION
pin configuration as the LM106 and LM710.
The LM111-N, LM211-N and LM311-N are voltage
The LM211-N is identical to the LM111-N, except that
comparators that have input currents nearly a
its performance is specified over a 25°C to +85°C
thousand times lower than devices like the LM106 or
temperature range instead of 55°C to +125°C. The
LM710. They are also designed to operate over a
LM311-N has a temperature range of 0°C to +70°C.
wider range of supply voltages: from standard ±15V
op amp supplies down to the single 5V supply used
for IC logic. Their output is compatible with RTL, DTL
and TTL as well as MOS circuits. Further, they can
drive lamps or relays, switching voltages up to 50V at
currents as high as 50 mA.
Typical Applications
NOTE
Pin connections shown in Schematic Diagram and Typical Applications are for the LMC
TO-99 package.
Do Not Ground Strobe Pin. Output is turned off when current is
pulled from Strobe Pin.
Figure 1. Offset Balancing Figure 2. Strobing
1
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PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.

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