NJU72751V (INPUT : IC871)
Block Diagram
Pin Assignment
No.
Symbol
Function
No
Symbol
Function
1
V+
Power supply (+)
17
CLOCK
Clock signal Input terminal
2
ADR0
Chip address setting terminal 0
18
NC
No connect
3
InA1
Ach Input terminal 1
19
OutB4
Bch Output terminal 4
4
InB1
Bch Input terminal 1
20
OutA4
Ach Output terminal 4
5
NC
No connect
21
NC
No connect
6
InA2
Ach Input terminal 2
22
OutB3
Bch Output terminal 3
7
InB2
Bch Input terminal 2
23
OutA3
Ach Output terminal 3
8
NC
No connect
24
REF_B
Bch Reference Voltage terminal
9
NC
No connect
25
REF_A
Ach Reference Voltage terminal
10
InA3
Ach Input terminal 3
26
OutB2
Bch Output terminal 2
11
InB3
Bch Input terminal 3
27
OutA2
Ach Output terminal 2
12
NC
No connect
28
NC
No connect
13
InA4
Ach Input terminal 4
29
OutB1
Bch Output terminal 1
14
InB4
Bch Input terminal 4
30
OutA1
Ach Output terminal 1
15
REF
Digital block reference voltage terminal
31
ADR1
Chip address setting terminal 1
16
DATA
Control data signal Input terminal
32
V-
Power supply (-)
NJU72751
- 2 -
PIN CONFIGURATION
No. Symbol
Function
Symbol
Function
1 V+
Power supply (+)
17 CLOCK
Clock signal Input terminal
2 ADR0
Chip address setting terminal 0
18 NC
No connect
3 InA1
Ach Input terminal 1
19 OutB4
Bch Output terminal 4
4 InB1
Bch Input terminal 1
20 OutA4
Ach Output terminal 4
5 NC
No connect
21 NC
No connect
6 InA2
Ach Input terminal 2
22 OutB3
Bch Output terminal 3
7 InB2
Bch Input terminal 2
23 OutA3
Ach Output terminal 3
8 NC
No connect
24 REF_B
Bch Reference Voltage terminal
9 NC
No connect
25 REF_A
Ach Reference Voltage terminal
10 InA3
Ach Input terminal 3
26 OutB2
Bch Output terminal 2
11 InB3
Bch Input terminal 3
27 OutA2
Ach Output terminal 2
12 NC
No connect
28 NC
No connect
13 InA4
Ach Input terminal 4
29 OutB1
Bch Output terminal 1
14 InB4
Bch Input terminal 4
30 OutA1
Ach Output terminal 1
15 REF
Digital block reference voltage terminal
31 ADR1
Chip address setting terminal 1
16 DATA
Control data signal Input terminal
32 V-
Power supply (-)
1 16
17
32
NJU72751
- 1 -
Ver.1.8E
4-INPUT / 4-OUTPUT DUAL ANALOG SWITCH
GENERAL DESCRIPTION PACKAGE OUTLINE
The
NJU72751
is a 4-input / 4-output dual analog switch.
Functions are controlled via two-wired serial bus. A-channel
switches and B-channel switches are controlled independently.
The
NJU72751
is well-suited for multi-channel audio systems
such as AV amplifiers, DVD receivers and others.
FEATURES
Operating Voltage ±4.5 to ±7.5V
2-wired Serial BUS Control
Selectable 2-Chip Address Available for using four chips on same serial bus line
ON
Resistance
15 typ.
Low Distortion 0.0004% typ. (V
IN
=1Vrms)
CMOS Technology
Package
Outline SSOP32
BLOCK DIAGRAM
InA1
OutA1
InA2
OutA2
InA3
OutA3
InA4
OutA4
InB1
OutB1
InB2
OutB2
InB3
OutB3
InB4
OutB4
NJU72751V
196
