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LM139JAN Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM139JAN
Description  Low Power Low Offset Voltage Quad Comparators
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM139JAN Datasheet(HTML) 1 Page - National Semiconductor (TI)

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LM139JAN
Low Power Low Offset Voltage Quad Comparators
General Description
The LM139 consists of four independent precision voltage
comparators with an offset voltage specification as low as 2
mV max for all four comparators. These 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
independent of the magnitude of the power supply voltage.
These comparators also have a unique characteristic in that
the input common-mode voltage range includes ground,
even though operated from a single power supply voltage.
Application areas include limit comparators, simple analog to
digital converters; pulse, squarewave and time delay gen-
erators; wide range VCO; MOS clock timers; multivibrators
and high voltage digital logic gates. The LM139 was de-
signed to directly interface with TTL and CMOS. When op-
erated from both plus and minus power supplies, they will
directly interface with MOS logic — where the low power
drain of the LM139 is a distinct advantage over standard
comparators.
Features
n
Wide supply voltage range
5V to 36 V
DC or ±2.5V to
±18 V
DC
n
Very low supply current drain (0.8 mA) — independent
of supply voltage
n
Low input biasing current:
25 nA
n
Low input offset current:
±5nA
n
Offset voltage:
±3mV
n
Input common-mode voltage range includes GND
n
Differential input voltage range equal to the power
supply voltage
n
Low output saturation voltage:
250 mV at 4 mA
n
Output voltage compatible with TTL, DTL, ECL, MOS
and CMOS logic systems
Advantages
n
High precision comparators
n
Reduced V
OS drift over temperature
n
Eliminates need for dual supplies
n
Allows sensing near GND
n
Compatible with all forms of logic
n
Power drain suitable for battery operation
Ordering Information
NS Part Number
JAN Part Number
NS Package Number
Package Description
JL139BCA
JM38510/11201BCA
J14A
14LD CERDIP
JL139SCA
JM38510/11201SCA
J14A
14LD CERDIP
JL139BZA
JM38510/11201BZA
WG14A
14LD Ceramic SOIC
JL139SZA
JM38510/11201SZA
WG14A
14LD Ceramic SOIC
JL139BDA
JM38510/11201BDA
W14B
14LD CERPACK
JL139SDA
JM38510/11201SDA
W14B
14LD CERPACK
February 2005
© 2005 National Semiconductor Corporation
DS201295
www.national.com


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