參數(shù)資料
型號(hào): AV2636
廠商: Electronic Theatre Controls, Inc.
英文描述: 24-bit 192kHz Stereo Audio DAC
中文描述: 24位192kHz立體聲音頻DAC
文件頁數(shù): 2/16頁
文件大小: 821K
代理商: AV2636
AV2636
Product Datasheet
PIN CONFIGURATION
AV2636
14
1
13
2
12
3
11
4
10
5
9
6
8
7
SF
SD
SC
NC
VCM
AOUTR
GND
MCK
FMTD
FMTC
MODE
MUTE
AOUTL
VDD
PIN DESCRIPTION
Pin Name
SF
SD
Pin
1
2
Type
Description
Digital Input
Digital Input
Sample rate frame clock input.
Audio data input. It can be 16/18/20/24 bit in 2’s complement
format.
Serial audio data bit clock input.
No Connection
Common mode voltage output. Connect to 10uF cap in parallel with
0.1uF cap.
Right channel analog audio signal output.
Ground supply. Need a solid ground plane.
Power supply. Need a clean power supply.
Left channel analog audio signal output.
Mute control with internal pull down.
High = Mute on.
Low = Mute off.
Chip operation mode selection with internal pull down.
High = Programmable mode.
Low = Auto-detect mode.
Dual functional pin. Its function is controlled by the MODE pin.
Internal pull up.
When MODE = High, FMTC = Serial clock in control interface.
When MODE = Low, FMTC = De-Emphasis: On (high) / Off (low).
Dual functional pin. Its function is controlled by the MODE pin.
Internal pull up. Needs an external 4.7k
to VDD.
When MODE = High, FMTD = Serial data in control interface.
When MODE = Low, FMTD = Data input format select:
High = 16-24 bit I2S or 16 bit DSP ‘early’
Low = 16 bit right justified or 16 bit DSP ‘late’
External master clock input. The clock frequency depends on the
audio sample rate.
SC
(NC)
VCM
3
4
5
Digital Input
-
Analog Output
AOUTR
GND
VDD
AOUTL
MUTE
6
7
8
9
10
Analog Output
Supply
Supply
Analog Output
Digital Input
MODE
11
Digital Input
FMTC
12
Digital Input
FMTD
13
Digital I/O
MCK
14
Digital Input
AVS Technology, Inc.
www.avstech.com
2-16
August 18, 2004
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