AK4527B Datasheet, PDF (5/33 Pages) Asahi Kasei Microsystems – HIGH PERFORMANCE MULTI-CHANNEL AUDIO CODEC

ASAHI KASEI
No. Pin Name
1 SDOS
2 I2C
3 SMUTE
4 BICK
5 LRCK
6 SDTI1
7 SDTI2
8 SDTI3
9 SDTO
10 DAUX
11 DFS
12 NC
13 DZFE
14 TVDD
15 DVDD
16 DVSS
17 PDN
18 TST
19 NC
20 ADIF
21 CAD1
22 CAD0
[AK4527B]
PIN/FUNCTION
I/O
Function
I SDTO Source Select Pin
(Note 1)
“L”: Internal ADC output, “H”: DAUX input
I Control Mode Select Pin
“L”: 3-wire Serial, “H”: I²C Bus
I Soft Mute Pin
(Note 1)
When this pin goes to “H”, soft mute cycle is initialized.
When returning to “L”, the output mute releases.
I Audio Serial Data Clock Pin
I Input Channel Clock Pin
I DAC1 Audio Serial Data Input Pin
I DAC2 Audio Serial Data Input Pin
I DAC3 Audio Serial Data Input Pin
O Audio Serial Data Output Pin
I AUX Audio Serial Data Input Pin
I Double Speed Sampling Mode Pin (Note 1)
“L”: Normal Speed, “H”: Double Speed
- No Connect
No internal bonding.
I Zero Input Detect Enable Pin
“L”: mode 7 (disable) at parallel mode,
zero detect mode is selectable by DZFM2-0 bits at serial mode
“H”: mode 0 (DZF1 is AND of all six channels)
- Output Buffer Power Supply Pin, 2.7V∼5.5V
- Digital Power Supply Pin, 4.5V∼5.5V
- Digital Ground Pin, 0V
I Power-Down & Reset Pin
When “L”, the AK4527B is powered-down and the control registers are reset to default
state. If the state of P/S or CAD0-1 changes, then the AK4527B must be reset by PDN.
I Test Pin
This pin should be connected to DVSS.
- No Connect
No internal bonding.
I Analog Input Format Select Pin
“H”: Full-differential input, “L”: Single-ended input
I Chip Address 1 Pin
I Chip Address 0 Pin
MS0056-E-00
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