参数资料
型号: CDK5571
厂商: Cirrus Logic Inc
文件页数: 22/34页
文件大小: 0K
描述: CDB5571 W/CAPTURE PLUS 2 SYSTEM
标准包装: 1
系列: CapturePLUS™II
ADC 的数量: 1
位数: 16
采样率(每秒): 100k
数据接口: 串行
输入范围: 2.4 ~ 4.2 V
工作温度: -40°C ~ 85°C
已用 IC / 零件: CS5571
已供物品: 2 个板,线缆,CD,电源
产品目录页面: 756 (CN2011-ZH PDF)
相关产品: CS5571-ISZR-ND - IC ADC 16BIT DELTA-SIGMA 24-SSOP
598-1266-5-ND - IC ADC 16BIT 1CH 100KSPS 24SSOP
其它名称: 598-1279
CDK5571-1
3/25/08
10:56
CS5571
Figures 14 and 15 illustrate the small signal performance of the CS5571 with a 5.55 kHz signal at -80 dB
down. Figure 14 is with DITHER on and Figure 15 is with DITHER off. At -80 dB the signal is 1/10,000
of full scale, having a peak-to-peak magnitude of only a few codes. For small signals, DNL errors and
quantization errors can introduce distortion because the error in the code size, or the quantization error
without adequate dither, are a much greater percentage of the signal than with a full-scale input. Figure
15, with DITHER off, illustrates that distortion components can be introduced when there is not adequate
dither to randomize the quantization error.
0
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-160
5.55 kHz, -80 dB
32k Samples @ 100 kSps
Dither On
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-60
-80
-100
-120
-140
-160
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Frequency (Hz)
Figure 14. Spectral Performance, -80 dB
Dither On
Frequency (Hz)
Figure 15. Spectral Performance, -80 dB
Dither Off
Figures 16 and 17 illustrate DITHER on and DITHER off with a 5.55 kHz input at -100 dB. At -100 dB the
signal is only about 41 microvolts peak to peak. This is less than the one code width which is about
62.5 microvolts.
0
-20
-40
-60
-80
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-120
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-160
0
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0
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22
Frequency (Hz)
Figure 16. Spectral Performance, -100 dB
Dither On
Frequency (Hz)
Figure 17. Spectral Performance, -100 dB
Dither Off
DS768PP1
相关PDF资料
PDF描述
CDK5581 KIT BOARD FOR CDB5581 ADC
CF1176-000 SHIELD TERMINATOR
SMS4SE4K9 集管和线壳 4P QIKMATE PIN STRT PC BOARDMOUNT
CF6147-000 CABLE TERMINATION
CF6153-000 HEAT SHRINK TUBING
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