Diodes ULN200xA - Manual (Page 2)

ULN2002A/ ULN2003A/ ULN2004A
Document number: DS35313 Rev. 5 - 2
2 of 11
www.diodes.com
June 2014
© Diodes Incorporated
ADVAN
CE I
N
F
O
RM
ATI
O
N
ULN2002A/ ULN2003A/ ULN2004A
Pin Descriptions
Pin Number Pin Name Function
1 1B Input Pair 1
2 2B Input Pair 2
3 3B Input Pair 3
4 4B Input Pair 4
5 5B Input Pair 5
6 6B Input Pair 6
7 7B Input Pair 7
8 E Common Emitter (ground)
9 COM Common Clamp Diodes
10 7C Output Pair 7
11 6C Output Pair 6
12 5C Output Pair 5
13 4C Output Pair 4
14 3C Output Pair 3
15 2C Output Pair 2
16 1C Output Pair 1
Functional Block Diagram
ULN2002A
ULN2003A: R
B
= 2k7
ULN2004A: R
B
= 10k5
ULN2003A, ULN2004A