参数资料
型号: AD1938YSTZ
厂商: Analog Devices Inc
文件页数: 22/32页
文件大小: 0K
描述: IC CODEC 24BIT 4ADC/8DAC 48LQFP
标准包装: 1
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 / 106
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: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
Data Sheet
AD1938
Rev. E | Page 29 of 32
ADDITIONAL MODES
The AD1938 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 27 for an example of a DAC TDM data transmission
mode that does not require high speed DBCLK. This configu-
ration is applicable when the AD1938 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 AD1938 in
cases of high speed TDM data transmission, the AD1938 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 28 shows this pipeline mode of data
transmission.
Both the BLCK-less and pipeline modes are available on the
ADC serial data port.
05
58
2
-02
7
DLRCLK
INTERNAL
DBCLK
DSDATAx
DLRCLK
INTERNAL
DBCLK
TDM-DSDATAx
32 BITS
Figure 27. Serial DAC Data Transmission in TDM Format Without DBCLK
(Applicable Only If PLL Locks to DLRCLK. This Mode Is Also Available in the ADC Serial Data Port.)
0
5
582
-0
28
DLRCLK
DBCLK
DSDATAx
DATA MUST BE VALID
AT THIS BCLK EDGE
MSB
Figure 28. 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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相关代理商/技术参数
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AD1938YSTZRL 功能描述:IC CODEC 24BIT 4ADC/8DAC 48LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 编解码器 系列:- 标准包装:2,500 系列:- 类型:立体声音频 数据接口:串行 分辨率(位):18 b ADC / DAC 数量:2 / 2 三角积分调变:是 S/N 比,标准 ADC / DAC (db):81.5 / 88 动态范围,标准 ADC / DAC (db):82 / 87.5 电压 - 电源,模拟:2.6 V ~ 3.3 V 电压 - 电源,数字:1.7 V ~ 3.3 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-WFQFN 裸露焊盘 供应商设备封装:48-TQFN-EP(7x7) 包装:带卷 (TR)
AD1939 制造商:AD 制造商全称:Analog Devices 功能描述:4 ADC/8 DAC with PLL, 192 kHz, 24 Bit CODEC
AD1939WBSTZ 功能描述:AUDIO CODEC W/ON CHIP 4ADC 8DAC RoHS:是 类别:集成电路 (IC) >> 接口 - 编解码器 系列:- 标准包装:2,500 系列:- 类型:立体声音频 数据接口:串行 分辨率(位):18 b ADC / DAC 数量:2 / 2 三角积分调变:是 S/N 比,标准 ADC / DAC (db):81.5 / 88 动态范围,标准 ADC / DAC (db):82 / 87.5 电压 - 电源,模拟:2.6 V ~ 3.3 V 电压 - 电源,数字:1.7 V ~ 3.3 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-WFQFN 裸露焊盘 供应商设备封装:48-TQFN-EP(7x7) 包装:带卷 (TR)
AD1939WBSTZ-RL 功能描述:AUDIO CODEC W/ON CHIP 4ADC 8DAC RoHS:是 类别:集成电路 (IC) >> 接口 - 编解码器 系列:- 标准包装:2,500 系列:- 类型:立体声音频 数据接口:串行 分辨率(位):18 b ADC / DAC 数量:2 / 2 三角积分调变:是 S/N 比,标准 ADC / DAC (db):81.5 / 88 动态范围,标准 ADC / DAC (db):82 / 87.5 电压 - 电源,模拟:2.6 V ~ 3.3 V 电压 - 电源,数字:1.7 V ~ 3.3 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-WFQFN 裸露焊盘 供应商设备封装:48-TQFN-EP(7x7) 包装:带卷 (TR)
AD1939XSTZ 制造商:Analog Devices 功能描述:AUD CODEC 4ADC / 8DAC 24BIT 64LQFP - Trays