參數(shù)資料
型號： AK4566
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： 20bit Stereo CODEC with built-in IPGA & HP-AMP
中文描述： 20位立體聲編解碼器內(nèi)置單親遺傳算法
文件頁數(shù)： 4/45頁
文件大小： 454K
代理商： AK4566
ASAHI KASEI
AKM CONFIDENTIAL
[AK4566]
REV 0.5
2002/2
- 4 -
PIN/FUNCTION
No. Pin Name
I/O
Function
1
PDN
I
Power-down Pin
When at “L”, the AK4566 is in power-down mode and is held in reset. The AK4566
should always be reset upon power-up.
Control Data Chip Select Pin
Control Clock Input Pin
Control Data Input Pin
L/R Clock Pin
This clock determines which audio channel is currently being output on SDTO pin and
input on SDTI pin.
Master Clock Input Pin
Serial Bit Clock Pin
This clock is used to latch audio data.
Audio Data Input Pin
Audio Data Output Pin
SDTO pin goes to DVSS when PDN pin is “L”.
Digital Power Supply Pin
Digital Ground Pin
Ground Pin for Headphone Amplifier
Power Supply Pin for Headphone Amplifier
Rch Headphone Amplifier Output Pin
HPR pin goes to HVSS when PDN pin is “L”.
Lch Headphone Amplifier Output Pin
HPL pin goes to HVSS when PDN pin is “L”.
Mute Time Constant Control Pin
A capacitor for mute time constant should be connected between MUTET pin and HVSS
pin. MUTET pin goes to HVSS when PDN pin is “L”.
Mono Analog Output Pin
MOUT pin goes to Hi-Z when PDN pin is “L”.
Mono Analog Input Pin
Rch Analog Input Pin
Lch Analog Input Pin
Reference Voltage Output Pin, 2.1V (typ, respect to AVSS)
Normally connected to AVSS pin with 0.1
μ
F ceramic capacitor in parallel with a 4.7
μ
F
electrolytic capacitor. VREF pin goes to AVSS when PDN pin is “L”.
Common Voltage Output Pin, 1.25V (typ, respect to AVSS)
Normally connected to AVSS pin with 0.1
μ
F ceramic capacitor in parallel with a 2.2
μ
F
electrolytic capacitor. VCOM pin goes to AVSS when PDN pin is “L”.
Analog Ground Pin
Analog Power Supply Pin
Rch Analog Input 2 Pin for ADC (MIC Input)
Lch Analog Input 2 Pin for ADC (MIC Input)
Rch Analog Input 1 Pin for ADC (LINE Input)
Lch Analog Input 1 Pin for ADC (LINE Input)
2
3
4
CSN
CCLK
CDTI
I
I
I
5
LRCK
I
6
MCLK
I
7
BICK
I
8
SDTI
I
9
SDTO
O
10
11
12
13
DVDD
DVSS
HVSS
HVDD
-
-
-
-
14
HPR
O
15
HPL
O
16
MUTET
O
17
MOUT
O
18
19
20
MIN
RIN
LIN
I
I
I
21
VREF
O
22
VCOM
O
23
24
25
26
27
28
AVSS
AVDD
AINR2
AINL2
AINR1
AINL1
-
-
I
I
I
I
Note: No digital input pins must be left floating.
相關(guān)PDF資料
PDF描述
AK4566VN 20bit Stereo CODEC with built-in IPGA & HP-AMP
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