Datasheet
[AK4646]
MS0557-E-06 2011/06
- 5 -
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
24
25
NC
-
No Connect Pin
No internal bonding. This pin should be connected to Ground or Open.
26 ROUT O Rch Stereo Line Output Pin
27 LOUT O Lch Stereo Line Output Pin
28 MIN I Mono Signal Input Pin
RIN2 I Rch Analog Input 2 Pin (MDIF2 bit = “0”, Single-ended Input)
29
IN2−
I Microphone Negative Input 2 Pin (MDIF2 bit = “1”, Full-differential Input)
LIN2 I Lch Analog Input 2 Pin (MDIF2 bit = “0”, Single-ended Input)
30
IN2+ I Microphone Positive Input 2 Pin (MDIF2 bit = “1”, Full-differential Input)
LIN1 I Lch Analog Input 1 Pin (MDIF1 bit = “0”, Single-ended Input)
31
IN1−
I Microphone Negative Input 1 Pin (MDIF1 bit = “1”, Full-differential Input)
RIN1 I Rch Analog Input 1 Pin (MDIF1 bit = “0”, Single-ended Input)
32
IN1+ I Microphone Positive Input 1 Pin (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.