Description
Product Overview
The AP331A is a precision voltage comparators with an offset voltage specification as low as 8.0 mV max for comparator 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 independent of the magnitude of the power supply voltage. The
comparator 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, square wave and time delay generators;
wide range VCO; MOS clock timers; multivibrators and high voltage digital logic gates. The AP331A is designed to directly
interface with TTL and CMOS. When operated from both plus and minus power supplies, the AP331A will directly interface with
MOS logic where their low power drain is a distinct advantage over standard comparators.
Features of AP331AWG-7
- Wide supply
- Voltage range: 2.0V to 36V
- Single or dual supplies: ±1.0V to ±18V
- Very low supply current drain (0.4mA) – independent of
supply voltage - Low input biasing current: 150nA
- Low input offset current: ±70nA
- Low input offset voltage: ±4mV
- Input common-mode voltage range includes ground
- Differential input voltage range equal to the power
supply voltage - Low output saturation voltage: 250mV at 4mA
- Output voltage compatible with TTL, DTL, ECL, MOS
and CMOS logic systems - SOT25 and SOT25R: Available in “Green” Molding
Compound (No Br, Sb) - Lead Free Finish/ RoHS Compliant (Note 1)
Applications
- 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
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