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LM2901YD

Low power quad voltage comparator

STMicroelectronics 

LM2901

Low power quad voltage comparator

Features

■ Wide single supply voltage range or dual

supplies for all devices: +2V to +36V or ±1V to

±18V

■ Very low supply current (1.1mA) independent

of supply voltage (1.4mW/comparator at +5V)

■ Low input bias current: 25nA typ.

■ Low input offset current: ±5nA typ.

■ Input common-mode voltage range includes

negative rail

■ 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

This device consists of four independent precision

voltage comparators. All these comparators are

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 the negative rail even

though operated from a single power supply

voltage.

N

DIP14

(Plastic package)

D

SO-14

(Plastic micropackage)

P

TSSOP14

(Thin shrink small outline package)

Pin connections (top view)

Output 2 1

Output 1 2

VCC+ 3

Inverting input 1 4

Non-inverting input 1 5

Inverting input 2 6

Non-inverting input 2 7

14 Output 3

13 Output 4

12 VCC-

11 Non-inverting input 4

10 Inverting input 4

9 Non-inverting input 3

8 Inverting input 3

December 2007

Rev 5

1/13

www.st.com

13

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