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參數(shù)資料
| 型號： | PCM4202DB |
| 英文描述： | High-Performance 24-Bit, 216kHz Sampling Stereo Audio Analog-to-Digital Converter |
| 中文描述： | 高性能24位，216kHz的采樣立體聲音頻模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 15/26頁 |
| 文件大?。?/td> | 342K |
| 代理商： | PCM4202DB |
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SBAS290B JULY 2003 SEPTEMBER 2004
www.ti.com
15
Table 4. Sampling Mode Selection for DSD
Output Mode Operation
FS2
FS1
FS0
SAMPLING MODE
0
0
0
128fS DSD Output Rate with fSCKI = 768fS
128fS DSD Output Rate with fSCKI = 512fS
128fS DSD Output Rate with fSCKI = 384fS
128fS DSD Output Rate with fSCKI = 256fS
64fS DSD Output Rate with fSCKI = 384fS
64fS DSD Output Rate with fSCKI = 256fS
Reserved
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
Reserved
AUDIO DATA FORMATS
As mentioned previously, the PCM4202 supports 24-bit
linear PCM output data, as well as 1-bit DSD output data.
The available data formats are dependent upon whether
the PCM4202 is configured in Slave or Master mode. The
S/M (pin 8), FMT0 (pin 6), and FMT1 (pin 7) inputs are
utilized to select either Slave or Master mode and the
corresponding audio data format.
In Slave mode, the PCM bit and left/right clocks (BCK and
LRCK) are configured as input pins. DSD data formats are
not supported in Slave mode. Slave mode supports
commonly used PCM audio data formats, including Left
Justified, Right Justified, and Philips I
2
S.
In Master mode, the PCM bit and left/right clocks (BCK and
LRCK respectively) are configured as output pins, and are
derived from the system clock input (SCKI). Alternatively,
the DSD output data may be provided at the port output.
Table 5 shows the available data format selections.
Figure 3 and Figure 4 illustrate the PCM and DSD data
formats.
Table 5. Audio Data Format Selection
FMT1
FMT0
AUDIO DATA FORMAT
0
0
24-bit Left Justified
24-bit I2S
0
1
1
0
24-bit Right Justified
1
1
1-bit DSD (Master Mode Only)
Left Channel
(a) Left Justified Data Format
(b) Right Justified Data Format
Right Channel
LRCKI
BCKI
DATA
MSB
LSB
LSB
MSB
LRCKI
BCKI
DATA
MSB
MSB
LSB
LSB
(c) I
2
S Data Format
1/f
S
LRCKI
BCKI
DATA
MSB
LSB
MSB
LSB
Figure 3. PCM Data Formats: Left Justified, Right Justified, and Philips I
2
S
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參數(shù)描述 |
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| PCM4202DBG4 | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC 24-Bit/192kHz 118dB Stereo Audio A/D RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
| PCM4202DBR | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC 24-Bit/192kHz 118dB Stereo Audio A/D RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
| PCM4202DBRG4 | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC 24-Bit/192kHz 118dB Stereo Audio A/D RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
| PCM4202DBT | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC 24-Bit/192kHz 118dB Stereo Audio A/D RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
| PCM4202DBTG4 | 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC 24-Bit/192kHz 118dB Stereo Audio A/D RoHS:否 制造商:Wolfson Microelectronics 轉(zhuǎn)換速率: 分辨率: ADC 輸入端數(shù)量: 工作電源電壓: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: 封裝: |
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