AD7762 Analog Devices, AD7762 Datasheet - Page 11
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AD7762
Manufacturer Part Number
AD7762
Description
Parallel Interface, 625 kSPS, 24-Bit Sigma-Delta A/D Converter
Manufacturer
Analog Devices
Datasheet
1.AD7762.pdf
(28 pages)
Specifications of AD7762
Resolution (bits)
24bit
# Chan
1
Sample Rate
40MSPS
Interface
Par
Analog Input Type
Diff-Uni
Ain Range
(1.6Vref) p-p,4 V p-p,6.5 V p-p
Adc Architecture
Sigma-Delta
Pkg Type
QFP
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AD7762BSVZ
Manufacturer:
Analog Devices Inc
Quantity:
10 000
Part Number:
AD7762BSVZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
Company:
Part Number:
AD7762BSVZ-REEL
Manufacturer:
Analog Devices Inc
Quantity:
10 000
Figure 11. Normal Mode FFT, 100 kHz, −0.5 dB Input Tone, 32× Decimation
Figure 12. Normal Mode FFT, 100 kHz, −6 dB Input Tone, 32× Decimation
Figure 13. Normal Mode SNR vs. Decimation Rate, 1 kHz Input Tone
–100
–125
–150
–175
–200
–100
–125
–150
–175
–200
–25
–50
–75
–25
–50
–75
120
118
116
114
112
110
108
106
0
0
0
0
0
60000
60000
64
DECIMATION RATE (x)
120000
120000
FREQUENCY (Hz)
FREQUENCY (Hz)
128
180000
180000
240000
240000
192
–60dB
–6dB
–0.5dB
300000
300000
256
Rev. 0 | Page 11 of 28
Figure 14. Low Power FFT, 100 kHz, −0.5 dB Input Tone, 32× Decimation
Figure 15. Low Power FFT, 100 kHz, −6 dB Input Tone, 32× Decimation
Figure 16. Low Power SNR vs. Decimation Rate, 1 kHz Input Tone
–100
–125
–150
–175
–200
–100
–125
–150
–175
–200
–25
–50
–75
–25
–50
–75
116
112
108
104
0
0
0
0
0
60000
60000
64
DECIMATION RATE (x)
120000
120000
FREQUENCY (Hz)
FREQUENCY (Hz)
128
180000
180000
240000
240000
192
–60dB
–6dB
–0.5dB
AD7762
300000
300000
256