參數(shù)資料
型號(hào)： EVAL-AD1937AZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 19/36頁(yè)
文件大?。?/td> 0K
描述： BOARD EVAL FOR AD1937
標(biāo)準(zhǔn)包裝： 1
主要目的： 音頻編解碼器
已用 IC / 零件： AD1937
主要屬性： 24 位，192 kHz，4 ADC: 107dB 動(dòng)態(tài)范圍，8 DAC: 112dB 動(dòng)態(tài)范圍
次要屬性： 分時(shí)復(fù)用（TDM）、I2C 和 SPI 接口，Popguard? 技術(shù)
已供物品： 板
AD1937
Rev. B | Page 26 of 36
DLRCLK
INTERNAL
DBCLK
DSDATAx
ADDITIONAL MODES
The AD1937 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 28 and Figure 29 for an example of a DAC TDM data
transmission mode that does not require high speed DBCLK.
This configuration is applicable when the AD1937 master
clock is generated by the PLL with the DLRCLK as the PLL
reference frequency.
To relax the requirement for the setup time of the AD1937 in
cases of high speed TDM data transmission, the AD1937 can
latch in the data using the falling edge of DBCLK. 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 30 shows this pipeline mode of
data transmission.
Both the BCLK-less and pipeline modes are available on the
ADC serial data port.
32 BITS
0
741
4-
02
8
DLRC
DBCL
DSDATAn
AT THIS BCLK EDGE
MSB
Figure 28. Serial DAC Data Transmission in TDM Format Without DBCLK; 2-Channel 64 BCLKs per Frame Mode
(Applicable Only If PLL Locks to DLRCLK; This Mode Is Also Available in the ADC Serial Data Port)
LK
K
DATA MUST BE VALID
0
741
4-
0
29
Figure 29. Serial DAC Data Transmission in TDM Format Without DBCLK; 128 to 512 BCLKs per Frame TDM Mode
(Applicable Only If PLL Locks to DLRCLK; This Mode Is Also Available in the ADC Serial Data Port)
DLRCLK
INTERNAL
DBCLK
DM DSDATAn
07
41
4-
12
8
T
Figure 30. I2S Pipeline Mode in DAC Serial Data Transmission
(Applicable in Stereo and TDM, Useful for High Frequency TDM Transmission;
This Mode Is Also Available in the ADC Serial Data Port)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EVAL-AD1937EB 制造商:AD 制造商全稱:Analog Devices 功能描述:4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
EVAL-AD1937EBZ 制造商:Analog Devices 功能描述:EB SINGLE CHIP CODEC 4 ADC'S W/DIFF OUTP - Boxed Product (Development Kits)
EVAL-AD1938AZ 功能描述:BOARD EVAL FOR AD1938 RoHS:是 類(lèi)別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:- 標(biāo)準(zhǔn)包裝:1 系列:PSoC® 主要目的:電源管理，熱管理 嵌入式:- 已用 IC / 零件:- 主要屬性:- 次要屬性:- 已供物品:板，CD，電源
EVAL-AD1938EB 制造商:AD 制造商全稱:Analog Devices 功能描述:4 ADC/8 DAC with PLL, 192 kHz, 24-Bit CODEC
EVAL-AD1938EBZ 制造商:Analog Devices 功能描述:EVAL BD FOR MULTI CHANNEL 96KHZ CODEC - Boxed Product (Development Kits)
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