參數(shù)資料
型號： PCM1804
英文描述： FULL DIFFERENTIAL ANALOG INPUT 24-BIT, 192-kHz STEREO A/D CONVERTER
中文描述： 全差分模擬輸入24位，192千赫立體聲A / D轉(zhuǎn)換器
文件頁數(shù)： 20/31頁
文件大小： 470K
代理商： PCM1804
PCM1804
SLES022A
–
DECEMBER 2001
20
www.ti.com
PRINCIPLES OF OPERATION
tRST
Reset
Reset Removal
1/fS (max)
RST
Internal Reset
System Clock
RST Pulse Width (tRST) = 40 ns (min)
Figure 34. External Reset Timing
READY / OPERATION
Power ON
RST ON
Reset Removal
RESET
1116 / fS
Zero Data
Converted Data (B)
Internal Reset
Data (A)
NOTES: A. In case of DSD mode, DSDL is also controlled like DSDR.
B. The HPF transient response appears initially.
Figure 35. ADC Digital Output for Power-On Reset and RST Control
audio data interface
The PCM1804 interfaces the audio system through BCK/DSDL (pin 16), LRCK/DSDBCK (pin 17), and
DATA/DSDR (pin 15). The PCM1804 needs RST = low when in the interface mode and/or the data format are
changed.
interface mode
The PCM1804 supports master mode and slave mode as interface modes, which are selected by S/M (pin 8)
as shown in Table 4. In master mode, the PCM1804 provides the timing of the serial audio data communications
between the PCM1804 and the digital audio processor or external circuit. While in slave mode, the PCM1804
receives the timing of data transfer from an external controller. Slave mode is not available for DSD.
Table 4. Interface Mode
S/M
Low
High
MODE
Master mode
Slave mode
相關(guān)PDF資料
PDF描述
PCM1804DB FULL DIFFERENTIAL ANALOG INPUT 24-BIT, 192-kHz STEREO A/D CONVERTER
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM1804DB 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC Full Diff Anlg Inp 24-Bit 192KHz Ster 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: 安裝風格: 封裝 / 箱體: 封裝:
PCM1804DB 制造商:Texas Instruments 功能描述:24BIT DAC SIGMA DELTA SMD 1804
PCM1804DBG4 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC Full Diff Anlg Inp 24-Bit 192KHz Ster 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: 安裝風格: 封裝 / 箱體: 封裝:
PCM1804DBR 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC Full Diff Anlg Inp 24-Bit 192KHz Ster 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: 安裝風格: 封裝 / 箱體: 封裝:
PCM1804DBRG4 功能描述:音頻模/數(shù)轉(zhuǎn)換器 IC Full Diff Anlg Inp 24-Bit 192KHz Ster 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: 安裝風格: 封裝 / 箱體: 封裝:
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