Njm2903 - Epson LQ-2550 Technical Manual

A.1.2.2 NJM2903
The NJ M2903 includes two comparators. The main features are as follows:
Single power supply
. Open collector output
Voltage range: +2 to +36 V
m
INVERTING
7
OUTPUT B
I N P u T A
A
B
++ –
NON-INVERTING
3
INPUT A
I N P u T B
N ON-1 NVERTI N G
GND
I N P u T B
Figure A-45. NJ M2903 Pin Diagram
A-37