OBSOLETE
September 29, 2009
LM2903EP
Low Power Low Offset Voltage Dual Comparators
General Description
Advantages
The LM2903EP consists of two independent precision volt-
age comparators with an offset voltage specification as low
as 2.0 mV max for two comparators which were designed
specifically to operate from a single power supply over a wide
range of voltages. Operation from split power supplies is also
possible and the low power supply current drain is indepen-
dent of the magnitude of the power supply voltage. This
comparator also has a unique characteristic in that the input
common-mode voltage range includes ground, even though
operated from a single power supply voltage.
High precision comparators
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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
Features
Wide supply
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Application areas include limit comparators, simple analog to
digital converters; pulse, squarewave and time delay gener-
ators; wide range VCO; MOS clock timers; multivibrators and
high voltage digital logic gates. The LM2903EP was designed
to directly interface with TTL and CMOS. When operated from
both plus and minus power supplies, the LM2903EP will di-
rectly interface with MOS logic where their low power drain is
a distinct advantage over standard comparators.
Voltage range:
2.0V to 36V
±1.0V to ±18V
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Single or dual supplies:
Very low supply current drain (0.4 mA) — independent of
supply voltage
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Low input biasing current:
Low input offset current:
Maximum offset voltage:
Input common-mode voltage range includes ground
Differential input voltage range equal to the power supply
voltage
25 nA
±5 nA
±3 mV
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ENHANCED PLASTIC
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Extended Temperature Performance of −40°C to +85°C
Baseline Control - Single Fab & Assembly Site
Process Change Notification (PCN)
Qualification & Reliability Data
Solder (PbSn) Lead Finish is standard
Low output saturation voltage,:
Output voltage compatible with TTL, DTL, ECL, MOS and
CMOS logic systems
250 mV at 4 mA
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Enhanced Diminishing Manufacturing Sources (DMS)
Support
Applications
Selected Military Applications
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Selected Avionics Applications
Ordering Information
PART NUMBER
LM2903MEP
VID PART NUMBER
V62/04745-01
TBD
NS PACKAGE NUMBER (Note 3)
M08A
TBD
(Note 1, Note 2)
Note 1: For the following (Enhanced Plastic) version, check for availability: - LM2903MXEP, LM2903NEP, LM2903ITLEP, LM2903ITLXEP. Parts
listed with an "X" are provided in Tape & Reel and parts without an "X" are in Rails.
Note 2: FOR ADDITIONAL ORDERING AND PRODUCT INFORMATION, PLEASE VISIT THE ENHANCED PLASTIC WEB SITE AT: www.national.com/
mil
Note 3: Refer to package details under Physical Dimensions
© 2009 National Semiconductor Corporation
201141
www.national.com
201141 Version 3 Revision 1 Print Date/Time: 2009/09/29 16:01:39
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