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LM2903N Datasheet(PDF) 1 Page - Texas Instruments

Part No. LM2903N
Description  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
SNOSBJ6F – OCTOBER 1999 – REVISED DECEMBER 2014
LMx93-N, LM2903-N Low-Power, Low-Offset Voltage, Dual Comparators
1 Features
3 Description
The LM193-N series consists of two independent
1
Wide Supply
precision voltage comparators with an offset voltage
Voltage Range: 2.0 V to 36 V
specification as low as 2.0 mV max for two
Single or Dual Supplies: ±1.0 V to ±18 V
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 mA
timers; multivibrators and high voltage digital logic
Output Voltage Compatible with TTL, DTL, ECL,
gates. The LM193-N series was designed to directly
interface with TTL and CMOS. When operated from
MOS and CMOS logic systems
both plus and minus power supplies, the LM19-N
Available in the 8-Bump (12 mil) DSBGA Package
series will directly interface with MOS logic where
See AN-1112 (SNVA009) for DSBGA
their low power drain is a distinct advantage over
Considerations
standard comparators.
Advantages
The LM393 and LM2903 parts are available in TI’s
High Precision Comparators
innovative thin DSBGA package with 8 (12 mil) large
bumps.
Reduced VOS Drift Over Temperature
Eliminates Need for Dual Supplies
Device Information(1)
Allows Sensing Near Ground
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Compatible with All Forms of Logic
LM193-N
TO-99 (8)
9.08 mm x 9.08 mm
Power Drain Suitable for Battery Operation
LM293-N
LM393-N
SOIC (8)
4.90 mm x 3.91 mm
2 Applications
LM2903-N
Battery powered applications
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Industrial applications
4 Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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