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AD7764 View Datasheet(PDF) - Analog Devices

Part Name
Description
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AD7764 Datasheet PDF : 32 Pages
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AD7764
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
6k 10k 15k 20k 25k 30k 35k 40k 45k 50k 55k 59535
CODE
Figure 24. DNL Plot
0.00300
0.00225
–40°C
0.00150
0.00075
+25°C
0
–0.00075
–0.00150
+85°C
–0.00225
–0.00300
6k 10k 15k 20k 25k 30k 35k 40k 45k 50k 55k 59535
16-BIT CODE SCALING
Figure 25. Normal Power Mode INL
110
109
108
107
106
NORMAL SNR
105
104
LOW SNR
103
102
0
64
128
192
256
DECIMATION RATE
Figure 26. Normal and Low Power Mode, SNR vs. Decimation Rate,
1 kHz, −0.5 dB Input Tone
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
20k
40k
60k
FREQUENCY (Hz)
78124
Figure 27. Normal Power Mode, IMD, fIN A = 49.7 kHz, fIN B = 50.3 kHz,
50 kHz Center Frequency, 128× Decimation Rate
0.003225
0.003000
+85°C
0.00225
0.00150
0.00075
+25°C
–40°C
0
–0.00012
6k 10k 15k 20k 25k 30k 35k 40k 45k 50k 55k 59535
16-BITCODE SCALING
Figure 28. Low Power Mode INL
Rev. 0 | Page 14 of 32
 

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