AS331 datasheet(1/12 Pages) BCDSEMI

部品番号	AS331

部品情報	LOW POWER LOW OFFSET VOLTAGE SINGLE COMPARATOR

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メーカー	BCDSEMI [BCD Semiconductor Manufacturing Limited]

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LOW POWER LOW OFFSET VOLTAGE SINGLE COMPARATOR

AS331

Data Sheet

1

Oct 2009 Rev. 1. 3

BCD Semiconductor Manufacturing Limited

General Description

The AS331 consists of a single precision voltage com-

parator with a typical input offset voltage of 1.0mV

and high voltage gain. It is specifically designed to

operate from a single power supply over wide range of

voltages. Operation from split power supply is also

possible and the low power supply current drain is

independent of the magnitude of the power supply

voltage.

The AS331 is available in standard SOT-23-5 package.

Features

·

Wide Supply Voltage Range

- Single Supply: 2V to 36V

- Dual Supplies:

±1V to ±18V

·

Low Supply Current at VCC=5V: 0.4mA

·

Low Input Bias Current: 25nA (Typical)

·

Low Input Offset Current:5nA (Typical)

·

Low Input Offset Voltage: 1mV (Typical)

·

Input Common Mode Voltage Range Includes

Ground

·

Differential Input Voltage Range Equals to the

Power Supply Voltage

·

Low Output Saturation Voltage at 4mA: 200mV

(Typical)

·

Open Collector Output

Applications

·

Battery Charger

·

Cordless Telephone

·

Switching Power Supply

·

DC-DC Module

·

PC Motherboard

·

Communication Equipment

Figure 1. Package Type of AS331

SOT-23-5

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