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LOW POWER LOW OFFSET VOLTAGE SINGLE COMPARATOR

AS331

Data Sheet

Aug. 2008 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

Parameter

Symbol

Min

Max

Unit

Supply Voltage

VCC

236

Operating Ambient Temperature Range

-40

Recommended Operating Conditions

Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Input Offset Voltage

VOS

VOUT=1.4V, VCC=5 to 30V

7.0

Input Bias Current

IIN+ or IIN- with output in linear range,

VCM=0V

250

400

Input Offset Current

IIO

IIN+-IIN-, VCM=0V

550

200

Input Common Mode

Voltage Range (Note 4)

VCC=30V

VCC-1.5

Supply Current

ICC

RL=∞

VCC=5V

0.4

1.0

2.0

VCC=30V

0.5

1.7

3.0

Voltage Gain

VCC=15V, RL≥15kΩ, VOUT=1 to 11V

200

V/mV

Large Signal Response

Time

VIN =TTL Logic Swing, RL=5.1kΩ

200

Response Time

RL=5.1kΩ

1.3

µs

Output Sink Current

ISINK

VIN-=1V, VIN+=0V, VOUT=1.5V

6.0

Output Leakage Current

ILEAK

VIN-=0V, VIN+=1V, VOUT=5V

0.1

VIN-=0V, VIN+=1V, VOUT=30V

µA

Saturation Voltage

VSAT

VIN-=1V, VIN+=0V, ISINK≤4mA

200

400

500

VCC=5V, GND=0V, TA=25

oC, unless otherwise specified. Bold typeface applies over T

A=-40 to 85

oC (Note 3)

Note 3: These specifications are limited to -40oC≤TA≤85

oC. Limits over temperature are guaranteed by design, but

not tested in production.

Note 4: The input common mode voltage of either input signal voltage should not be allowed to go negatively by

more than 0.3V (at 25oC). The upper end of the common mode voltage range is VCC-1.5V (at 25

oC), but either or

both inputs can go to 18V without damages, independent of the magnitude of the VCC.

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