MAX4549 Maxim, MAX4549 Datasheet - Page 10

• Manufacturer Part Number: MAX4549
• Description: The MAX4548/MAX4549 serial-interface, programmable, triple 3x2 audio/video crosspoint switches are ideal for multimedia applications
• Manufacturer: Maxim

Serially Controlled, Triple 3x2 Audio/Video
Crosspoint Switches
10
Figure 1. Switching Times
MAX4548
26
27
28
29
30
31
33
34
35
36
______________________________________________________________________________________
PIN
MAX4549
V
MAX4548
MAX4549
P
NO_ _
C
V
26
27
28
29
30
31
33
34
35
36
OUT
L
2 OR 3
INCLUDES FIXTURE AND STRAY CAPACITANCE.
= V
COM
SERIAL
INTERFACE
NO_ _
[R
COM2A
COM1B
COM1A
COM2C
COM1C
CBIASL
L
NAME
CONTROLLER
MID3
MID2
MID1
MID5
/ (R
DECODER/
L
GND
V+
V+
+ R
ON
COM _
)]
10nF
Audio Bypass for IN3A and IN3B Inputs
Output 2 of Crosspoint A
Audio Bypass for IN2A and IN2B Inputs
Output 1 of Crosspoint B
Audio Bypass for IN1A and IN1B Inputs
Output 1 of Crosspoint A
Output 2 of Crosspoint C
Video Bypass for All Inputs to Crosspoint C
Output 1 of Crosspoint C
High Side of Bias Network for Crosspoint C. Use to give the C outputs a DC bias when
inputs are AC-coupled (refer to the Using the Internal Bias Resistors section).
R
300
L
C
35pF
L
V
OUT
2-WIRE
3-WIRE
CS
FUNCTION
SCL
Pin Description (continued)
V
V
V
V
OUT
OUT
OUT
OUT
3V
3V
0
0
0
0
0
0
50%
50%
t
t
OFF
OFF
t
t
ON
ON
+0.5V
V
OUT
0.9
0.1
ACKNOWLEDGE
BIT
- 0.5V
•
•
V
V
OUT
OUT
t
t
R
F
> 20ns
> 20ns