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LM193A

Low Power Dual Voltage Comparators

STMicroelectronics 

LM193, LM193A, LM293,

LM293A, LM393, LM393A

Low Power Dual Voltage Comparators

■ Wide single-supply voltage range or dual

supplies: +2V to +36V or ±1V to ±18V

■ Very low supply current (0.4mA) independent

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

■ Low input bias current: 25nA typ.

■ Low input offset current: ±5nA typ.

■ Low input offset voltage: ±1mV typ.

■ Input common-mode voltage range includes

ground

■ Low output saturation voltage: 250mV typ. (Io =

4mA)

■ 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.

N

DIP8

(Plastic Package)

D

SO-8

(Plastic Micropackage)

P

TSSOP8

(Thin Shrink Small Outline Package)

S

Mini SO-8

(Plastic Micropackage)

Pin connections (top view)

1 - Output 1

2 - Inverting input 1

1

8 3 - Non-inverting input 1

2-

7 4 - VCC-

3+

- 6 5 - Non-inverting input 2

6 - Inverting input 2

4

+ 5 7 - Output 2

8 - VCC+

February 2006

Rev. 6

1/15

www.st.com

15

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