參數(shù)資料
型號： PCM3794A
元件分類： Codec
英文描述： 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
中文描述： 16位，低功耗立體聲音頻編解碼器麥克風(fēng)偏置，耳機(jī)，揚聲器放大器和數(shù)字
文件頁數(shù)： 35/68頁
文件大?。?/td> 982K
代理商： PCM3794A
www.ti.com
PCM3793A
PCM3794A
SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
Register 70
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 70
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
DEM1
DEM0
PFM1
PFM0
SPX1
SPX0
RSV
OVER
IDX[6:0]:
100 0110b (46h): Register 70
DEM[1:0]: De-Emphasis Filter Selection
Default value: 00
A digital de-emphasis filter is in front of the interpolation filter. One of three de-emphasis filters can be selected
corresponding to thesampling rate, 32 kHz, 44.1 kHz, or 48 kHz.
DEM[1:0]
00
01
10
11
De-Emphasis Filter Selection
OFF (default)
32 kHz
44.1 kHz
48 kHz
PFM[1:0]: Audio Interface Selection for DAC (Digital Input)
Default value: 00
The audio interface for the DAC digital input has I
2
S, right-justified, left-justified, and DSP formats.
PFM[1:0]
00
01
10
11
Audio Interface Selection for DAC Digital Input
I
2
S format (default)
Right-justified format
Left-justified format
DSP format
SPX[1:0]: Digital Gain Control for DAC Input
Default value: 00
These bits are used to gain up the digital input data.
SPX[1:0]
00
01
10
11
Digital Gain Control for DAC input
0 dB (default)
6 dB
12 dB
18 dB
OVER: Oversampling Control for Delta-Sigma DAC
Default value: 0
This bit is used to control the oversampling rate of delta-sigma DAC. When the PCM3793A/94A operates at low
sampling rates (less than 24 kHz) and the SCKI frequency is less than 12.5 MHz, OVER = 1 is recommended.
OVER = 0
OVER = 1
128 f
S
(default)
192 f
S
, 256 f
S
, 384 f
S
35
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相關(guān)PDF資料
PDF描述
PCM3794ARHBR 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
PCM3794ARHBT 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
PCM4201 Low Power, 24-Bit, Single Channel Audio Analog-to-Digital Converter
PCM4201PW Low Power, 24-Bit, Single Channel Audio Analog-to-Digital Converter
PCM4201PWR Low Power, 24-Bit, Single Channel Audio Analog-to-Digital Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM-3794-A10 制造商:AAEON Technology Inc 功能描述:PCI-104 2-SLOT PCMCIA (HOT SWAP) - Bulk
PCM-3794-A10-01 制造商:AAEON Technology Inc 功能描述:PCI-104 2-SLOT PCMCIA (HOT SWAP) & PCM-3594 IEEE-1394 3-PORT - Bulk
PCM3794ARHB 制造商:Texas Instruments 功能描述:AUD CODEC 2ADC / 2DAC 16BIT 32QFN EP - Tape and Reel
PCM3794ARHBR 功能描述:接口—CODEC 16B Lo Pwr St Audio CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
PCM3794ARHBRG4 功能描述:接口—CODEC 16B Low Pwr Stereo Audio CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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