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AK4646EZ Datasheet, PDF (5/78 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/SPK-AMP
[AK4646EZ]
PIN/FUNCTION
No. Pin Name
I/O
Function
1 MPWR
O MIC Power Supply Pin
2 VCOM
O
Common Voltage Output Pin, 0.5 x AVDD
Bias voltage of ADC inputs and DAC outputs.
3 AVSS
- Analog Ground Pin
4 AVDD
- Analog Power Supply Pin
5 VCOC
O
Output Pin for Loop Filter of PLL Circuit
This pin should be connected to AVSS with one resistor and capacitor in series.
6 NC
-
No Connect Pin
No internal bonding. This pin should be connected to Ground.
7 PDN
I
Power-Down Mode Pin
“H”: Power-up, “L”: Power-down, reset and initializes the control register.
8 CSN
I Chip Select Pin
9 CCLK
I Control Data Clock Pin
10 CDTIO
I/O Control Data Input and Output Pin
11 SDTI
I Audio Serial Data Input Pin
12 SDTO
O Audio Serial Data Output Pin
13 LRCK
I/O Input / Output Channel Clock Pin
14 BICK
I/O Audio Serial Data Clock Pin
15 DVDD
- Digital Power Supply Pin
16 DVSS
- Digital Ground Pin
17 MCKI
I External Master Clock Input Pin
18 MCKO
O Master Clock Output Pin
19 SPN
O Speaker Amp Negative Output Pin
20 SPP
O Speaker Amp Positive Output Pin
21 SVDD
- Speaker Amp Power Supply Pin
22 SVSS
- Speaker Amp Ground Pin
23 NC
- No Connect Pin
24
No internal bonding. This pin should be connected to Ground or Open.
25
26 ROUT
O Rch Stereo Line Output Pin
27 LOUT
O Lch Stereo Line Output Pin
28 MIN
I Mono Signal Input Pin
29
RIN2
IN2−
I Rch Analog Input 2 Pin
I Microphone Negative Input 2 Pin
(MDIF2 bit = “0”, Single-ended Input)
(MDIF2 bit = “1”, Full-differential Input)
30 LIN2
IN2+
I Lch Analog Input 2 Pin
I Microphone Positive Input 2 Pin
(MDIF2 bit = “0”, Single-ended Input)
(MDIF2 bit = “1”, Full-differential Input)
31
LIN1
IN1−
I Lch Analog Input 1 Pin
I Microphone Negative Input 1 Pin
(MDIF1 bit = “0”, Single-ended Input)
(MDIF1 bit = “1”, Full-differential Input)
32 RIN1
IN1+
I Rch Analog Input 1 Pin
I Microphone Positive Input 1 Pin
(MDIF1 bit = “0”, Single-ended Input)
(MDIF1 bit = “1”, Full-differential Input)
Note 2. All input pins except analog input pins (MIN, LIN1, RIN1, LIN2, RIN2) should not be left floating.
MS0630-E-00
-5-
2007/06