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LM2903N Datasheet(PDF) 1 Page - Texas Instruments

Part No. LM2903N
Description  LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM2903N Datasheet(HTML) 1 Page - Texas Instruments

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LM193-N, LM2903-N, LM293-N, LM393-N
www.ti.com
SNOSBJ6E – OCTOBER 1999 – REVISED MARCH 2013
LM193/LM293/LM393/LM2903 Low Power Low Offset Voltage Dual Comparators
Check for Samples: LM193-N, LM2903-N, LM293-N, LM393-N
1
FEATURES
DESCRIPTION
The LM193 series consists of two independent
2
Wide Supply
precision voltage comparators with an offset voltage
Voltage Range: 2.0V to 36V
specification as low as 2.0 mV max for two
Single or Dual Supplies: ±1.0V to ±18V
comparators which were designed specifically to
operate from a single power supply over a wide range
Very Low Supply Current Drain (0.4 mA) —
of voltages. Operation from split power supplies is
Independent of Supply Voltage
also possible and the low power supply current drain
Low Input Biasing Current: 25 nA
is independent of the magnitude of the power supply
Low Input Offset Current: ±5 nA
voltage. These comparators also have a unique
characteristic in that the input common-mode voltage
Maximum Offset voltage: ±3 mV
range includes ground, even though operated from a
Input Common-Mode Voltage Range Includes
single power supply voltage.
Ground
Application areas include limit comparators, simple
Differential Input Voltage Range Equal to the
analog to digital converters; pulse, squarewave and
Power Supply Voltage
time delay generators; wide range VCO; MOS clock
Low Output Saturation Voltage: 250 mV at 4
timers; multivibrators and high voltage digital logic
mA
gates. The LM193 series was designed to directly
interface with TTL and CMOS. When operated from
Output Voltage Compatible with TTL, DTL,
both plus and minus power supplies, the LM193
ECL, MOS and CMOS logic systems
series will directly interface with MOS logic where
Available in the 8-Bump (12 mil) DSBGA
their low power drain is a distinct advantage over
Package
standard comparators.
See AN-1112 (SNVA009) for DSBGA
The LM393 and LM2903 parts are available in TI’s
Considerations
innovative thin DSBGA package with 8 (12 mil) large
bumps.
ADVANTAGES
High Precision Comparators
Reduced VOS Drift Over Temperature
Eliminates Need for Dual Supplies
Allows Sensing Near Ground
Compatible with All Forms of Logic
Power Drain Suitable for Battery Operation
Figure 1. Squarewave Oscillator
Figure 2. Non-Inverting Comparator with
Hysteresis
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
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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