MAX4550 Maxim, MAX4550 Datasheet - Page 15

• Manufacturer Part Number: MAX4550
• Description: The MAX4550/MAX4570 serial-interface, programmable, dual 4x2 audio/video crosspoint switches are ideal for multimedia applications
• Manufacturer: Maxim

SCL/(SCLK)
A1/(DOUT)
( ) ARE FOR MAX4570
SDA/(DIN)
A0/(CS)
NO1A
NO2A
NO1B
NO2B
NO3A
NO4A
NO3B
NO4B
GND
SA
SB
V+
V-
Audio/Video Analog Crosspoint Switches
8, 24
______________________________________________________________________________________
22
26
28
23
27
25
21
15
14
13
16
2
6
3
7
1
Serially Controlled, Dual 4x2, Clickless
SWITCH STATES SHOWN IN POWER-UP STATE.
AUXILIARY OUTPUTS ARE LOW IN POWER-UP STATE.
SWITCH MATRIX ‘A’
10
SWITCH MATRIX ‘B’
CONTROL
LOGIC
10
4
4
BIAS RESISTOR NETWORK
AUXILIARY OUTPUTS
MAX4550
MAX4570
Functional Diagram
20
9
18
11
4
5
10
12
17
19
COM1A
COM2A
COM1B
COM2B
BIASH
BIASL
Q0
Q1
Q2
Q3
15