[AK4646]
PIN/FUNCTION
No. Pin Name
I/O
O
Function
1
MPWR
MIC Power Supply Pin
Common Voltage Output Pin, 0.5 x AVDD
Bias voltage of ADC inputs and DAC outputs.
Analog Ground Pin
2
VCOM
O
3
4
AVSS
AVDD
-
-
Analog Power Supply Pin
Output Pin for Loop Filter of PLL Circuit
This pin should be connected to AVSS with one resistor and capacitor in series.
No Connect Pin
No internal bonding. This pin should be connected to Ground.
Power-Down Mode Pin
“H”: Power-up, “L”: Power-down, reset and initializes the control register.
5
6
7
VCOC
NC
O
-
PDN
I
8
9
CSN
CCLK
I
I
Chip Select Pin
Control Data Clock Pin
10 CDTIO
11 SDTI
12 SDTO
13 LRCK
14 BICK
15 DVDD
16 DVSS
17 MCKI
18 MCKO
19 SPN
20 SPP
I/O Control Data Input and Output Pin
I
O
Audio Serial Data Input Pin
Audio Serial Data Output Pin
I/O Input / Output Channel Clock Pin
I/O Audio Serial Data Clock Pin
-
-
Digital Power Supply Pin
Digital Ground Pin
I
External Master Clock Input Pin
Master Clock Output Pin
Speaker Amp Negative Output Pin
Speaker Amp Positive Output Pin
Speaker Amp Power Supply Pin
Speaker Amp Ground Pin
O
O
O
-
21 SVDD
22 SVSS
23
-
No Connect Pin
NC
-
24
25
No internal bonding. This pin should be connected to Ground or Open.
26 ROUT
27 LOUT
28 MIN
O
O
I
Rch Stereo Line Output Pin
Lch Stereo Line Output Pin
Mono Signal Input Pin
RIN2
IN2−
LIN2
IN2+
LIN1
IN1−
RIN1
IN1+
I
I
I
I
I
I
I
I
Rch Analog Input 2 Pin
Microphone Negative Input 2 Pin
Lch Analog Input 2 Pin
Microphone Positive Input 2 Pin
Lch Analog Input 1 Pin
Microphone Negative Input 1 Pin
Rch Analog Input 1 Pin
(MDIF2 bit = “0”, Single-ended Input)
(MDIF2 bit = “1”, Full-differential Input)
(MDIF2 bit = “0”, Single-ended Input)
(MDIF2 bit = “1”, Full-differential Input)
(MDIF1 bit = “0”, Single-ended Input)
(MDIF1 bit = “1”, Full-differential Input)
(MDIF1 bit = “0”, Single-ended Input)
(MDIF1 bit = “1”, Full-differential Input)
29
30
31
32
Microphone Positive Input 1 Pin
Note 2. All input pins except analog input pins (MIN, LIN1, RIN1, LIN2, RIN2) should not be left floating.
MS0557-E-05
2011/01
- 5 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
