LM139AJ/883 National Semiconductor, LM139AJ/883 Datasheet
LM139AJ/883
Manufacturer Part Number
LM139AJ/883
Description
IC,VOLT COMPARATOR,QUAD,BIPOLAR,DIP,14PIN,CERAMIC
Manufacturer
National Semiconductor
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© 2001 National Semiconductor Corporation
LM139/LM239/LM339/LM2901/LM3302
Low Power Low Offset Voltage Quad Comparators
General Description
The LM139 series 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.
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
generators;
multivibrators and high voltage digital logic gates. The
LM139 series was designed to directly interface with TTL
and CMOS. When operated from both plus and minus power
supplies, they will directly interface with MOS logic — where
the low power drain of the LM339 is a distinct advantage
over standard comparators.
One-Shot Multivibrator with Input Lock Out
These
wide
comparators
range
VCO;
also
MOS
DS005706
have
clock
a
unique
timers;
Features
n Wide supply voltage range
n LM139/139A Series
n LM2901:
n LM3302:
n Very low supply current drain (0.8 mA) — independent
n Low input biasing current:
n Low input offset current:
n Offset voltage:
n Input common-mode voltage range includes GND
n Differential input voltage range equal to the power
n Low output saturation voltage:
n Output voltage compatible with TTL, DTL, ECL, MOS
Advantages
n High precision comparators
n Reduced V
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
of supply voltage
supply voltage
and CMOS logic systems
OS
drift over temperature
2 to 36 V
2 to 28 V
2 to 36 V
DC
DC
DC
or
or
or
DS005706-12
250 mV at 4 mA
±
±
±
www.national.com
1 to
1 to
1 to
August 2000
±
±
±
18 V
18 V
14 V
±
±
25 nA
3 mV
5 nA
DC
DC
DC
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