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Data Sheet

LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS

AZ393/393C

General Description

The AZ393/393C series consists of two independent

precision voltage comparators with an offset voltage

specification as low as 1mV. The input common mode

voltage range of these comparators includes ground,

even when operated from a single power supply volt-

age. Operation from split power supplies is also possi-

ble and the low power supply current drain is

independent of the magnitude of the power supply

voltage.

The AZ393/393C series is designed to directly inter-

face with TTL and CMOS. AZ393C has more

stringent input offset voltage than AZ393.

Features

路

Wide Supply Voltage Range

- Single Supply: 2.0V to 18V

- Dual Supplies:

鹵1.0V

to

鹵9V

Very Low Supply Current Drain: 0.4mA

- Independent of Supply Voltage

Low Input Bias Current: 25nA (Typical)

Low Input Offset Current:

鹵5nA

(Typical)

Low Input Offset Voltage:

鹵1mV

(Typical)

Input Common Mode Voltage Range Includes

Ground

Differential Input Voltage Range Equals to the

Power Supply Voltage

Low Output Saturation Voltage: 250mV at 4mA

Open Collector Output

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The AZ393/393C series can be widely used in applica-

tions such as battery charger, cordless telephone,

switching power supply, DC-DC module and PC

motherboard.

The AZ393/393C series are available in standard pack-

ages of DIP-8 and SOIC-8.

Applications

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Battery Charger

Cordless Telephone

Switching Power Supply

DC-DC Module

PC Motherboard

Communication Equipment

SOIC-8

DIP-8

Figure 1. Package Types of AZ393/393C

Aug. 2006 Rev. 1. 2

1

BCD Semiconductor Manufacturing Limited

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