AK4632 Datasheet, PDF (4/70 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Mono CODEC with ALC & MIC/SPK/Video-AMP

ASAHI KASEI
[AK4632]
PIN/FUNCTION
No. Pin Name
1 VCOC
2 AVDD
3 AVSS
4 VVDD
5 VIN
6 VOUT
7 VSAG
8 PDN
9 CSN
10 CCLK
11 CDTI
12 SDTI
13 SDTO
14 FCK
15 BICK
16 DVDD
17 DVSS
18 MCKI
19 MCKO
20 SPN
21 SPP
22 SVDD
23 SVSS
24 MIN
25 MOUT
26 AOUT
27 BEEP
28 AIN
29 MICOUT
30 MIC
31 MPI
32 VCOM
I/O
Function
Output Pin for Loop Filter of PLL Circuit
O
This pin should be connected to AVSS with one resistor and capacitor in series.
- Analog Power Supply Pin
- Analog Ground Pin
- Video Block Power Supply Pin.
I Composite Video Signal Input Pin
O Composite Video Signal Driver Pin
I Composite Video Signal Output Feedback Input Pin
Power-Down Mode Pin
I
“H”: Power up, “L”: Power down reset and initialize the control register.
I Chip Select Pin
I Control Data Clock Pin
I Control Data Input Pin
I Audio Serial Data Input Pin
O Audio Serial Data Output Pin
I/O Frame Clock Pin
I/O Audio Serial Data Clock Pin
- Digital Power Supply Pin
- Digital Ground Pin
I External Master Clock Input Pin (Internal Pull Down 25kΩ@PDN pin =“L”)
O Master Clock Output Pin
O Speaker Amp Negative Output Pin
O Speaker Amp Positive Output Pin
- Speaker Amp Power Supply Pin
- Speaker Amp Ground Pin
I ALC2 Input Pin
O Mono Analog Output Pin
O Mono Line Output Pin
I Beep Signal Input Pin
I IPGA (ALC1) Input Pin
O Microphone Analog Output Pin
I Microphone Input Pin (Mono Input)
O MIC Power Supply Pin for Microphone
Common Voltage Output Pin. Common Voltage = 0.45 x AVDD
O
Bias voltage of ADC inputs and DAC outputs.
Note : All input pins except analog input pins (MIC, AIN, MIN, BEEP and VIN pins) should not be left floating.
Note : The exposed pad on the bottom surface of the package must be open.
MS0396-E-00
-4-
2005/06