AK4687 AKM [Asahi Kasei Microsystems], AK4687 Datasheet - Page 4

• Manufacturer Part Number: AK4687
• Description: Asynchronous Stereo CODEC with Capless Stereo Selector
• Manufacturer: AKM [Asahi Kasei Microsystems]

MS1307-E-00
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
35
36
37
38
39
40
41
42
43
44
45
34
1
2
3
4
5
6
7
8
9
Pin Name
MSN
SDTO
LRCK1
BICK1
MCLK1
PDN1
PDN2
MCLK2
BICK2
LRCK2
SDTI
CAD0
CKS
TEST1
TEST2
NC
NC
DVDD
VSS3
CP
CN
CVEE
NC
ROUT
LOUT
VREF2
AVDD2
VSS2
VSS5
VSS4
VSS1
AVDD1
VREF1
RI
RO
LO
LI
RIN3
LIN3
NC
RIN2
LIN2
NC
RIN1
LIN1
NC
I/O
I/O
I/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
-
PORT1 Master Mode Select Pin.
Audio Serial Data Output Pin (for PORT1)
Channel Clock Pin (for PORT1)
Audio Serial Data Clock Pin (for PORT1)
ADC Master Clock Input Pin (for PORT1)
Power-Down Mode for ADC
Power-Down Mode for DAC
DAC Master Clock Input Pin (for PORT2)
Audio Serial Data Clock Pin (for PORT2)
Input Channel Clock Pin (for PORT2)
Audio Serial Data Input Pin (for PORT2)
CAD Address Pin (I2C pin = “H”)
ADC MCLK Speed Select Pin (I2C pin = “L”)
This pin must be connected to the ground
This pin must be connected to the ground
This pin must be connected to the ground
This pin must be connected to the ground
Digital Power Supply Pin, 3.0V∼3.6V
Digital Ground Pin, 0V
Positive Charge Pump Capacitor Terminal Pin (for Analog Input/Output)
Negative Charge Pump Capacitor Terminal Pin (for Analog Input/Output)
Charge Pump Circuit Negative Voltage Output Pin (for Analog Input/Output)
This pin must be connected to the ground
Rch Analog Output Pin
Lch Analog Output Pin
Reference Output Pin
DAC Analog Power Supply Pin, 3.3V∼3.6V
DAC Analog Ground Pin, 0V
DAC Analog Ground Pin, 0V
ADC Analog Ground Pin, 0V
ADC Analog Ground Pin, 0V
ADC Analog Power Supply Pin, 3.0V∼3.6V
Reference Output Pin
Rch Feedback Resistor Input Pin
Rch Feedback Resistor Output Pin
Lch Feedback Resistor Output Pin
Lch Feedback Resistor Input Pin
Rch Input 3 Pin
Lch Input 3 Pin
This pin must be connected to the ground
Rch Input 2 Pin
Lch Input 2 Pin
This pin must be connected to the ground
Rch Input 1 Pin
Lch Input 1 Pin
This pin must be connected to the ground
Connect to VSS2 with a 1µF low ESR capacitor over all temperatures.
Connect to VSS1 with a 1µF low ESR capacitor over all temperatures.
“L”(connected to the ground): Slave mode.
When “L”, the ADC is powered-down.
When “L”, the DAC is powered-down.
“H”: MCLK=768fs , “L”: MCLK=256fs
“H”(connected to DVDD) : Master mode.
PIN/FUNCTION
- 4 -
Function
[AK4687]
2011/05