參數(shù)資料
型號： PCM3793RHBR
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，揚聲器放大器和數(shù)字
文件頁數(shù)： 40/63頁
文件大?。?/td> 915K
代理商： PCM3793RHBR
www.ti.com
PCM3793
PCM3794
SLES193A–AUGUST 2006–REVISED SEPTEMBER 2006
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 81
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
HPF1
HPF0
RMUL
RMUR
RSV
DSMC
RFM1
RFM0
IDX[6:0]:
101 0001b (51h): Register 81
HPF[1:0]: High-Pass Filter Selection
Default value: 00
PCM3793/94 has digital high-pass filter to remove dc voltage at the input of the ADC. The cutoff frequency of
the high-pass filter can be selected.
HPF [1:0]
0 0
0 1
1 0
1 1
High-Pass Filter Selection
f
C
= 4 Hz at 48 kHz (default)
f
C
= 240 Hz at 48 kHz
Reserved
High-pass filter disabled
RMUL: Digital Soft Mute Control for L-Channel ADC
RMUR: Digital Soft Mute Control for R-Channel ADC
Default value: 1
The digital output of the ADC can be independently muted or unmuted. The transition from the current volume
level to mute, or the return to the previous volume setting from mute, occurs at the rate of one 1-dB step for
each 8/f
S
time period. When PMUL and PMUR = 0, the digital data is increased from mute to the previous
attenuation level, and when PMUL and PMUR = 1, the digital data is decreased from the current attenuation
level to mute. In the PCM3793/94, audible zipper noise can be reduced by using zero-cross detection (register
85, ZCRS).
RMUL, RMUR = 0
RMUL, RMUR = 1
Mute disabled
Mute enabled (default)
DSMC: Waiting Time for ADC Mute Off at Power Up
Default value: 0
The ADC digital output has an optional delay after power up when DSMC = 0. It is recommended to set
DSMC = 0.
DSMC = 0
DSMC = 1
10 ms at 48 kHz (default)
No delay
RFM[1:0]: Audio Interface Selection for ADC (Digital Output)
Default value: 00
The audio interface for the ADC digital input supports I
2
S, right-justified, left-justified, and DSP formats.
RFM [1:0]
0 0
0 1
1 0
1 1
Audio Interface Selection for ADC Digital Output
I
2
S format (default)
Right-justified format
Left-justified format
DSP format
40
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM3793RHBRG4 功能描述:接口—CODEC Very Lo-Pwr Stereo 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
PCM3793RHBT 功能描述:接口—CODEC Very Lo-Pwr Stereo 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
PCM3793RHBTG4 功能描述:接口—CODEC Very Lo-Pwr Stereo 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
PCM3794 制造商:BB 制造商全稱:BB 功能描述:16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
PCM-3794 制造商:AAEON 制造商全稱:AAEON 功能描述:PCI-104 2-slot PCMCIA Module /Three IEEE-1394 Port Daughter Board
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