LM2903WDT 데이터 시트보기 (PDF) - STMicroelectronics

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LM2903WDT

Low-power, dual-voltage comparator

STMicroelectronics 

LM2903W

Low-power, dual-voltage comparator

Features

■ Wide, single supply voltage range or dual

supplies +2 V to +36 V or ±1 V to ±18 V

■ Very low supply current (0.4 mA) independent

of supply voltage (1 mW/comparator at +5 V)

■ Low input bias current: 25 nA typ.

■ Low input offset current: ±5 nA typ.

■ Input common-mode voltage range includes

negative rail

■ Low output saturation voltage:

250 mV typ. (IO = 4 mA)

■ Differential input voltage range equal to the

supply voltage

■ TTL, DTL, ECL, MOS, CMOS compatible

outputs

■ ESD internal protection: 2 kV

Description

This device consists of two independent low-

power voltage comparators designed specifically

to operate from a single supply over a wide range

of voltages. Operation from split power supplies is

also possible.

The input common-mode voltage range includes

negative rail even though operated from a single

power supply voltage.

All pins are protected against electrostatic

discharge up to 2 kV. Consequently, the input

voltages must not exceed the VCC+ or VCC-

magnitudes.

Datasheet − production data

D

SO-8

(Plastic micropackage)

P

TSSOP8

(Thin shrink small outline package)

Pin connections (top view)

1 - Output 1

2 - Inverting input 1

3 - Non-inverting input 1

4 - VCC-

5 - Non-inverting input 2

6 - Inverting input 2

7 - Output 2

8 - VCC+

November 2012

This is information on a product in full production.

Doc ID 022662 Rev 2

1/15

www.st.com

15

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