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LM393D

Low power dual voltage comparators

STMicroelectronics 

LM193, LM293, LM393

Low power dual voltage comparators

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.

■ Low input offset voltage: ±1 mV typ.

■ Input common-mode voltage range includes

ground

■ Low output saturation voltage: 250 mV typ.

(Isink = 4 mA)

■ Differential input voltage range equal to the

supply voltage

■ TTL, DTL, ECL, MOS, CMOS compatible

outputs

Description

These devices consist of two independent low

voltage comparators designed specifically to

operate from a single supply over a wide range of

voltages. Operation from split power supplies is

also possible.

These comparators also have a unique

characteristic in that the input common-mode

voltage range includes ground even though

operated from a single power supply voltage.

DIP8

(Plastic package)

SO-8

(Plastic micropackage)

TSSOP8

(Thin shrink small outline package)

MiniSO-8

(Plastic micropackage)

Pin connections (top view)

1

2-

3+

4

8

7

-

6

+

5

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+

February 2008

Rev 9

1/15

www.st.com

15

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