參數(shù)資料
型號(hào): AD1933WBSTZ-RL
廠商: Analog Devices Inc
文件頁數(shù): 16/28頁
文件大?。?/td> 0K
描述: IC DAC 24BIT SRL/SPI 64LQFP
標(biāo)準(zhǔn)包裝: 1,500
位數(shù): 24
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 8
電壓電源: 模擬和數(shù)字
功率耗散(最大): 429mW
工作溫度: -40°C ~ 105°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 帶卷 (TR)
輸出數(shù)目和類型: 8 電壓,雙極
采樣率(每秒): *
Data Sheet
AD1933
Rev. E | Page 23 of 28
ADDITIONAL MODES
The AD1933 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 19 for an example of a DAC TDM data transmission
mode that does not require high speed DBCLK. This configu-
ration is applicable when the AD1933 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 AD1933 in
cases of high speed TDM data transmission, the AD1933 can
latch in the data using the falling edge of DBCLK. This effectively
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 20 shows this pipeline mode of data trans-
mission. Both the BLCK-less and pipeline modes are available.
DLRCLK
INTERNAL
DBCLK
DSDATAx
DLRCLK
INTERNAL
DBCLK
TDM-DSDATAx
32 BITS
06
624
-01
9
Figure 19. Serial DAC Data Transmission in TDM Format Without DBCLK (Applicable Only If PLL Locks to DLRCLK)
DLRCLK
DBCLK
DSDATAx
DATA MUST BE VALID
AT THIS BCLK EDGE
MSB
06
6
24
-02
0
Figure 20. I2S Pipeline Mode in DAC Serial Data Transmission (Applicable in Stereo and TDM Useful for High Frequency TDM Transmission)
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