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AD7761 Datasheet(PDF) 21 Page - Analog Devices

Part # AD7761
Description  8-Channel, 16-Bit, Simultaneous Sampling ADC with Power Scaling, 110.8 kHz BW
PDF  76 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7761 Datasheet(HTML) 21 Page - Analog Devices

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AD7761
Data Sheet
Rev. A | Page 20 of 75
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD1 = 5 V, AVDD2 = 2.5 V, AVSS = 0 V, IOVDD = 2.5 V, VREF = 4.096 V, TA = 25°C, wideband filter, decimation = ×32, MCLK =
32.768 MHz, analog input precharge buffers on, precharge reference buffers off, unless otherwise noted.
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100k
10k
1k
100
FREQUENCY (Hz)
SNR = 97.7dB
THD = –123.8dB
Figure 11. Fast Fourier Transform (FFT), Fast Mode, Wideband Filter,
−0.5 dBFS
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100k
10k
1k
100
FREQUENCY (Hz)
SNR = 97.7dB
THD = –125.1dB
Figure 12. FFT, Median Mode, Wideband Filter, −0.5 dBFS
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1
10k
1k
100
FREQUENCY (Hz)
SNR = 97.7dB
THD = –128.3dB
Figure 13. FFT, Low Power Mode, Wideband Filter, −0.5 dBFS
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100k
10k
1k
100
FREQUENCY (Hz)
SNR = 97.8dB
THD = –124.2dB
Figure 14. FFT, Fast Mode, Sinc5 Filter, −0.5 dBFS
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10k
1k
100
FREQUENCY (Hz)
SNR = 97.9dB
THD = –125.1dB
Figure 15. FFT, Median Mode, Sinc5 Filter, −0.5 dBFS
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10k
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100
FREQUENCY (Hz)
SNR = 97.9dB
THD = –128.3dB
Figure 16. FFT, Low Power Mode, Sinc5 Filter, −0.5 dBFS



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