AK4631 Datasheet, PDF (7/69 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4631]
ϐϯʗػೳ
No. Pin Name
1 VCOM
2 AVSS
3 AVDD
4 VCOC
5 PDN
6 CSN
7 CCLK
8 CDTI
9 SDTI
10 SDTO
11 FCK
12 BICK
13 DVDD
14 DVSS
15 MCKI
16 MCKO
17 SPP
18 SPN
19 SVDD
20 SVSS
21 MIN
22 MOUT
23 AOUT
24 BEEP
25 AIN
26 MICOUT
27 MIC
28 MPI
I/O
Function
Common Voltage Output Pin, 0.45 x AVDD
O
Bias voltage of ADC inputs and DAC outputs.
- Analog Ground Pin
- Analog Power Supply Pin
Output Pin for Loop Filter of PLL Circuit
O
This pin should be connected to AVSS with one resistor and capacitor in series.
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 Positive Output Pin
O Speaker Amp Negative 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
Note: All input pins except analog input pins (MIC, AIN, MIN and BEEP pins) should not be left floating.
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Classification Pin Name
ઃఆ
Analog Input MIC, AIN, BEEP, MIN
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Analog Output MICOUT, MPI, AOUT, MOUT, SPP, SPN
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Digital Input
Digital Output
MCKI, SDTI, FCK(when M/S bit = “0”),
BICK(when M/S bit = “0”)
MCKO, SDTO, FCK(when M/S bit = “1”),
BICK(when M/S bit = “1”)
DVSSʹ઀ଓ
Φʔϓϯ
MS0317-J-01
-7-
2004/11