参数资料
型号: AD1974YSTZ-RL
厂商: Analog Devices Inc
文件页数: 16/24页
文件大小: 0K
描述: IC CODEC 4CH ADC W/PLL 48-LQFP
标准包装: 2,000
位数: 24
采样率(每秒): 192k
数据接口: 串行,SPI?
转换器数目: 4
功率耗散(最大): 429mW
电压电源: 模拟和数字
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: 带卷 (TR)
输入数目和类型: 4 个差分,单极
Data Sheet
AD1974
Rev. D | Page 23 of 24
APPLICATION CIRCUITS
Typical applications circuits are shown in Figure 17 and Figure 18. Figure 17 shows a typical ADC input filter circuit. Recommended loop
filters for LR clock and master clock as the PLL reference are shown in Figure 18.
2
1
3
OP275
+
6
7
5
OP275
+
5.76k
237
5.76k
120pF
600Z
AUDIO
INPUT
100pF
5.76k
120pF
4.7F
+
237
4.7F
+
100pF
1nF
NP0
1nF
NP0
ADCxN
ADCxP
06
61
4-
02
3
Figure 17. Typical ADC Input Filter Circuit
39nF
+
2.2nF
LF
LRCLK
AVDD2
3.32k
5.6nF
390pF
LF
MCLK
AVDD2
562
06
61
4
-02
7
Figure 18. Recommended Loop Filters for LRCLK or MCLK PLL Reference
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