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參數(shù)資料
| 型號(hào)： | EVAL-AD1974EB |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | Codec |
| 英文描述： | 4 ADC with PLL, 192 kHz, 24-Bit Codec |
| 中文描述： | 4 ADC，具有鎖相環(huán)，192千赫，24位編解碼器 |
| 文件頁數(shù)： | 22/24頁 |
| 文件大?。?/td> | 307K |
| 代理商： | EVAL-AD1974EB |
AD1974
ADDITIONAL MODES
The AD1974 offers several additional modes for board level
design enhancements. To reduce the EMI in board level design,
serial data can be transmitted without an explicit BCLK. See
Figure 15 for an example of an ADC TDM data transmission
mode that does not require high speed ABCLK. This configura-
tion is applicable when the AD1974 master clock is generated
by the PLL with the ALRCLK as the PLL reference frequency.
Rev. 0 | Page 22 of 24
To relax the requirement for the setup time of the AD1974 in
cases of high speed TDM data transmission, the AD1974 can
latch in the data using the falling edge of ABCLK. This effec-
tively dedicates the entire BCLK period to the setup time. This
mode is useful in cases where the source has a large delay time
in the serial data driver. Figure 16 shows this pipeline mode of
data transmission.
ALRCLK
INTERNAL
ABCLK
ASDATA2
ALRCLK
INTERNAL
ABCLK
ASDATA2
32 BITS
0
Figure 15. Serial ADC Data Transmission in TDM Format Without ABCLK
(Applicable Only If PLL Locks to ALRCLK)
ALRCLK
ABCLK
ASDATA1
DATA MUST BE VALID
AT THIS BCLK EDGE
MSB
0
Figure 16. I
2
S Pipeline Mode in ADC Serial Data Transmission
(Applicable in Stereo and TDM Useful for High Frequency TDM Transmission)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EVAl-AD1974EBZ | 4 ADC with PLL, 192 kHz, 24-Bit Codec |
| EVAL-AD1990EB | Audio Switching Amplifier |
| EVAL-AD1992EB | Audio Switching Amplifier |
| EVAL-AD1994EB | Audio Switching Amplifier |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD1974EBZ | 制造商:Analog Devices 功能描述:EVAL KIT FOR 4 ADC W/ PLL, 192 KHZ, 24BIT CODEC EVAL-AD1974E - Boxed Product (Development Kits) |
| EVAL-AD1990EB | 制造商:Analog Devices 功能描述:EVAL BD CLASS D AUDIO POWER OUTPUT STAGE - Bulk |
| EVAL-AD1992EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Audio Switching Amplifier |
| EVAL-AD1994EB | 制造商:Analog Devices 功能描述:EVAL BOARD FOR AD1994 - Bulk |
| EVAL-AD1994EBZ | 制造商:Analog Devices 功能描述:EVAL BD CLASS D AUDIO POWER OUTPUT STAGE - Bulk |
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