ak4645 ETC-unknow, ak4645 Datasheet - Page 5

• Manufacturer Part Number: ak4645
• Description: Stereo Codec With Mic/hp-amp
• Manufacturer: ETC-unknow

ASAHI KASEI
Note 1. All input pins except analog input pins (MIN/LIN3, LIN1, RIN1, LIN2, RIN2, RIN3, RIN4, LIN4) should not be
left floating.
Note 2. AVDD or AVSS voltage should be input to I2C pin.
MS0543-E-00
No. Pin Name
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
MPWR
VCOM
AVSS
AVDD
VCOC
RIN3
I2C
PDN
CSN
CAD0
CCLK
SCL
CDTI
SDA
SDTI
SDTO
LRCK
BICK
DVDD
TVDD
MCKI
MCKO
HVSS
HVDD
HPR
HPL
MUTET
RIN4
IN4−
LIN4
IN4+
ROUT
LON
LOUT
LOP
MIN
LIN3
RIN2
IN2−
LIN2
IN2+
LIN1
IN1−
RIN1
IN1+
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
-
-
I
I
I
I
I
I
I
I
I
-
-
I
-
-
I
I
I
I
I
I
I
I
I
I
I
I
I
I
MIC Power Supply Pin
Common Voltage Output Pin, 0.45 x AVDD
Analog Ground Pin
Analog Power Supply Pin
Output Pin for Loop Filter of PLL Circuit (AIN3 bit = “0”: PLL is available.)
Rch Analog Input 3 Pin (AIN3 bit = “1”: PLL is not available.)
Control Mode Select Pin
Power-Down Mode Pin
Chip Select Pin (I2C pin = “L”: 3-wire Serial Mode)
Chip Address 1 Select Pin (I2C pin = “H”: I
Control Data Clock Pin (I2C pin = “L”: 3-wire Serial Mode)
Control Data Clock Pin (I2C pin = “H”: I
Control Data Input Pin (I2C pin = “L”: 3-wire Serial Mode)
Control Data Input Pin (I2C pin = “H”: I
Audio Serial Data Input Pin
Audio Serial Data Output Pin
Input / Output Channel Clock Pin
Audio Serial Data Clock Pin
Digital Power Supply Pin
Digital I/O Power Supply Pin
External Master Clock Input Pin
Master Clock Output Pin
Headphone Amp Ground Pin
Headphone Amp Power Supply Pin
Rch Headphone-Amp Output Pin
Lch Headphone-Amp Output Pin
Mute Time Constant Control Pin
Rch Analog Input 4 Pin (L4DIF bit = “0”: Single-ended Input)
Negative Line Input 4 Pin (L4DIF bit = “1”: Full-differential Input)
Lch Analog Input 4 Pin (L4DIF bit = “0”: Single-ended Input)
Positive Line Input 4 Pin (L4DIF bit = “1”: Full-differential Input)
Rch Stereo Line Output Pin (LODIF bit = “0”: Single-ended Stereo Output)
Negative Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
Lch Stereo Line Output Pin (LODIF bit = “0”: Single-ended Stereo Output)
Positive Line Output Pin (LODIF bit = “1”: Full-differential Mono Output)
Mono Signal Input Pin (AIN3 bit = “0”: PLL is available.)
Lch Analog Input 3 Pin (AIN3 bit = “1”: PLL is not available.)
Rch Analog Input 2 Pin (MDIF2 bit = “0”: Single-ended Input)
Microphone Negative Input 2 Pin (MDIF2 bit = “1”: Full-differential Input)
Lch Analog Input 2 Pin (MDIF2 bit = “0”: Single-ended Input)
Microphone Positive Input 2 Pin (MDIF2 bit = “1”: Full-differential Input)
Lch Analog Input 1 Pin (MDIF1 bit = “0”: Single-ended Input)
Microphone Negative Input 1 Pin (MDIF1 bit = “1”: Full-differential Input)
Rch Analog Input 1 Pin (MDIF1 bit = “0”: Single-ended Input)
Microphone Positive Input 1 Pin (MDIF1 bit = “1”: Full-differential Input)
Connected to HVSS pin with a capacitor for mute time constant.
Bias voltage of ADC inputs and DAC outputs.
This pin should be connected to AVSS with one resistor and capacitor in series.
“H”: I
“H”: Power-up, “L”: Power-down, reset and initializes the control register.
2
C Bus, “L”: 3-wire Serial
PIN/FUNCTION
- 5 -
Function
2
2
C Bus Mode)
C Bus Mode)
2
C Bus Mode)
[AK4645]
2006/09