SBAS452 – SEPTEMBER 2008 ..........................................." />
參數(shù)資料
型號: PCM3168ATPAPRQ1
廠商: Texas Instruments
文件頁數(shù): 32/68頁
文件大?。?/td> 0K
描述: IC 24-BIT AUDIO CODEC 64-HTQFP
標準包裝: 1,000
類型: 音頻編解碼器
數(shù)據(jù)接口: 串行
分辨率(位): 24 b
ADC / DAC 數(shù)量: 6 / 8
三角積分調變:
S/N 比,標準 ADC / DAC (db): 107 / 112(差分),104 / 112(單端)
動態(tài)范圍,標準 ADC / DAC (db): 107 / 112(差分),104 / 112(單端)
電壓 - 電源,模擬: 4.5 V ~ 5.5 V
電壓 - 電源,數(shù)字: 3 V ~ 3.6 V
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 64-TQFP 裸露焊盤
供應商設備封裝: 64-HTQFP(10x10)
包裝: 帶卷 (TR)
REGISTER DEFINITIONS
SBAS452 – SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com
DEC
HEX
B7
B6
B5
B4
B3
B2
B1
B0
64
40
MRST
SRST
SRDA1
SRDA0
MRST
Mode control register reset for the ADC and DAC
This bit sets the mode control register reset to the default value. Pop-noise may be generated.
Returning the MRST bit to '1' is unneccesary, because it is automatically set to '1' after the mode
control register is reset.
Default value = 1.
MRST
Mode control register reset
0
Set default value
1
Normal operation (default)
SRST
System reset for the ADC and DAC
This bit controls system reset, the relation between system clock and sampling clock
re-synchronization, and ADC operation and DAC operation restart. The mode control register is
not reset and the PCM3168A and PCM3168A-Q1 do not go into a power-down state. The fade-in
sequence is supported in the resume process, but pop-noise may be generated. Returning the
SRST bit to '1' is unneccesary; it is automatically set to '1' after triggering a system reset.
Default value = 1.
SRST
System reset
0
Resynchronization
1
Normal operation (default)
SRDA[1:0]
DAC Sampling mode select
These bits control the sampling mode of DAC operation. In Auto mode, the sampling mode is
automatically set according to multiples between the system clock and sampling clock, single rate
for 512 fS and 768 fS, dual rate for 256 fS or 384 fS, and quad rate for 128 fS and 192 fS.
Default value = 00.
SRDA
DAC Sampling mode select
00
Auto (default)
01
Single rate
10
Dual rate
11
Quad rate
38
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): PCM3168A PCM3168A-Q1
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