AK4562 Datasheet, PDF (4/29 Pages) Asahi Kasei Microsystems – LOW POWER 20BIT CODEC WITH PGA

ASAHI KASEI
[AK4562]
PIN/FUNCTION
No. Pin Name
1 OPGAR
2 LOUT2
3 ROUT2
4 LIN1
5 RIN1
6 LIN2
7 RIN2
8 VCOM
9 AGND
10 VA
11 VREF
12 VD
13 DGND
14 VT
15 SDTO
16 SDTI
17 BCLK
18 TST
19 MCLK
20 LRCK
21 CDTI
22 CCLK
23 CSN
24 PDN
25 SSB
26 LOUT1
27 OPGAL
28 ROUT1
I/O Function
I Rch OPGA Input Pin
O Lch OPGA Output Pin
O Rch OPGA Output Pin
I Lch #1 Input Pin
I Rch #1 Input Pin
I Lch #2 Input Pin
I Rch #2 Input Pin
- Analog Common Voltage Output Pin, 0.45 x VA
- Analog Ground Pin
- Analog Power Supply Pin, +2.5V
Analog Voltage Reference Input Pin.
- Used as a voltage reference of ADC & DAC. VREF is connected externally to filtered
VA.
- Digital Power Supply Pin, +2.5V
- Digital Ground Pin
- Digital Interface Power Supply Pin
O Audio Serial Data Output Pin
I Audio Serial Data Input Pin
I Audio Serial Data Clock Pin
I Test Mode Pin, Fixed to “L”
I Master Clock Input Pin
I Input/Output Channel Clock Pin
I Control Data Input Pin, SSB Mode: SSI
I Control Clock Input Pin, SSB Mode: SCK
I Chip Select Pin, SSB Mode: “H”
I Reset & Power Down Pin, “L”: Power down & Reset, “H”: Normal Operation
I Control I/F Mode Select Pin, “L”: AKM Mode, “H”: SSB Mode
O Lch DAC Output Pin
I Lch OPGA Input Pin
O Rch DAC Output Pin
Note : All digital input pins should not be left floating.
MS0031-E-00
-4-
2000/05