AK4220 Datasheet, PDF (5/33 Pages) Asahi Kasei Microsystems – 7:3 Audio Switch and 6:3 Video Switch

I
No. Pin Name
1 RIN+7
2
PDN
3
CAD1
CSN
4
SCL
CCLK
5
SDA
CDTI
6
CAD0
CDTO
7 INT
8 Q0
9 Q1
10 Q2
11 Q3
12 Q4
13 DVDD
14 DVSS
15 VOUT1
16 VFB1
17 TEST
18 VOUT2
19 VFB2
20 VVDD2
21 VOUT3
22 VFB3
23 VVSS2
24 VIN1
25 VVSS3
26 VIN2
27 VVDD1
28 VIN3
29 VVSS1
30 VIN4
31 IICN
32 VIN5
33 VIN6
34 AVDD
MS0627-E-00
[AK4220]
PIN/FUNCTION
I/O Function
I Rch Audio Positive Input 7
Power down Mode
I
“L”: Power down, Reset
“H”: Power up
The AK4220 should always be reset upon power-up.
I Chip Address1 (IICN pin = “L”)
I Chip Selector (IICN pin = “H”)
I Control Clock Input (IICN pin = “L”)
I Control Clock Input (IICN pin = “H”)
I/O Control Data Input/Output (IICN pin = “L”)
I Control Data Input (IICN pin = “H”)
I Chip Address0 (IICN pin = “L”)
O Control Data Output (IICN pin = “H”)
O Interrupt
O Parallel Output 0 (open drain output)
O Parallel Output 1 (open drain output)
O Parallel Output 2 (open drain output)
O Parallel Output 3 (open drain output)
O Parallel Output 4 (open drain output)
Digital Power Supply
-
Normally connected to DVSS with a 0.1μF ceramic capacitor in parallel
with a 10μF electrolytic capacitor.
- Digital Ground
O Video Output 1
I Video Feedback 1
I Test pin, Connected to VVSS.
O Video Output 2
I Video Feedback 2
Video Power Supply, 5V
-
Normally connected to VVSS with a 0.1μF ceramic capacitor in parallel
with a 10μF electrolytic capacitor.
O Video Output 3
I
Video Feedback 3
-
Video Ground2, 0V
I
Video Input 1
-
Video Ground3, 0V
I
Video Input 2
Video Power Supply, 5V
-
Normally connected to VVSS with a 0.1μF ceramic capacitor in parallel
with a 10μF electrolytic cap.
I
Video Input 3
-
Video Ground1, 0V
I
Video Input 4
Control Mode Selection
I
“L”(Connected to VVSS): IIC Bus
“H” (Connected to VVDD): 4-wire Serial
I
Video Input 5
I
Video Input 6
Audio Power Supply, 5V
-
Normally connected to AVSS with a 0.1μF ceramic capacitor in parallel
with a 10μF electrolytic capacitor.
2007/05
-5-