参数资料
型号: AD1939YSTZRL
厂商: Analog Devices Inc
文件页数: 14/32页
文件大小: 0K
描述: IC CODEC 24BIT ADC/DAC 64-LQFP
标准包装: 1,500
类型: 通用
数据接口: 串行
分辨率(位): 24 b
ADC / DAC 数量: 4 / 8
三角积分调变:
S/N 比,标准 ADC / DAC (db): 94 / 94
动态范围,标准 ADC / DAC (db): 105 / 110
电压 - 电源,模拟: 3 V ~ 3.6 V
电压 - 电源,数字: 3 V ~ 3.6 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 带卷 (TR)
Data Sheet
AD1939
Rev. E | Page 21 of 32
ALRCLK
ABCLK
4 ADC CHANNELS OF
SECOND IC IN THE CHAIN
4 ADC CHANNELS OF
FIRST IC IN THE CHAIN
ADC L1 ADC R1 ADC L2 ADC R2 ADC L1 ADC R1 ADC L2 ADC R2
ASDATA1 (TDM_OUT
OF THE SECOND AD1939
IN THE CHAIN)
ADC L1 ADC R1 ADC L2 ADC R2
ASDATA2 (TDM_IN
OF THE SECOND AD1939
IN THE CHAIN)
32 BITS
MSB
DSP
SECOND
AD1939
FIRST
AD1939
06
07
1-
05
7
Figure 22. ADC TDM Daisy-Chain Mode (512 fS ABCLK, Two-AD1939 Daisy Chain)
LRCLK
BCLK
SDATA
LRCLK
BCLK
SDATA
LRCLK
BCLK
SDATA
LSB
LEFT CHANNEL
RIGHT CHANNEL
LEFT CHANNEL
RIGHT CHANNEL
MSB
RIGHT-JUSTIFIED MODE—SELECT NUMBER OF BITS PER CHANNEL
DSP MODE—16 BITS TO 24 BITS PER CHANNEL
I2S-JUSTIFIED MODE—16 BITS TO 24 BITS PER CHANNEL
LEFT-JUSTIFIED MODE—16 BITS TO 24 BITS PER CHANNEL
LRCLK
BCLK
SDATA
LSB
NOTES
1. DSP MODE DOES NOT IDENTIFY CHANNEL.
2. LRCLK NORMALLY OPERATES AT
fS EXCEPT FOR DSP MODE, WHICH IS 2 × fS.
3. BCLK FREQUENCY IS NORMALLY 64 × LRCLK BUT MAY BE OPERATED IN BURST MODE.
MSB
1/
fS
06
07
1-
0
13
Figure 23. Stereo Serial Modes
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