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AD7771BCPZ Datasheet(PDF) 27 Page - Analog Devices

Part # AD7771BCPZ
Description  8-Channel, 24-Bit, Simultaneous Sampling ADC
PDF  99 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7771BCPZ Datasheet(HTML) 27 Page - Analog Devices

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AD7771
Data Sheet
Rev. 0 | Page 26 of 98
–50
40
30
20
10
0
–10
–20
–30
–40
–40
–20
0
20
40
60
80
100
120
TEMPERATURE (°C)
CH 0
CH 1
CH 2
CH 3
CH 4
CH 5
CH 6
CH 7
AVDD1x = 3.3V
Figure 62. Offset Drift vs. Temperature
–0.043
–0.035
–0.026
–0.017
–0.008
0
0.008
0.017
3.0
3.3
3.6
AVDD1x SUPPLY (V)
CH 0
CH 1
CH 2
CH 3
CH 4
CH 5
CH 6
CH 7
TEMPERATURE = 25°C
GAIN = 1
VREF = 2.5V
VIN = 0dBFS
Figure 63. Gain Error vs. AVDD1x Supply, High Resolution Mode
–40
25
105
125
TEMPERATURE (°C)
AVDD1x = 3.3V
VREF = 2.5V
VIN = 0dBFS
–0.400
–0.035
–0.029
–0.023
–0.017
–0.011
–0.005
0
0.005
0.011
0.017
CH 0
CH 1
CH 2
CH 3
CH 4
CH 5
CH 6
CH 7
Figure 64. Gain Error vs. Temperature, High Resolution Mode
–20
–15
–10
–5
0
5
10
15
20
25
30
45
40
35
0
500
168
1000
TIME (Hours)
Figure 65. Gain Error Drift vs. Time
3.0
3.3
3.6
AVDD1x SUPPLY (V)
TEMPERATURE = 25°C
GAIN = 1
VREF = 2.5V
VIN = 0dBFS
–0.043
–0.035
–0.026
–0.017
–0.008
0
0.008
0.017
CH 0
CH 1
CH 2
CH 3
CH 4
CH 5
CH 6
CH 7
Figure 66. Gain Error vs. AVDD1x Supply, Low Power Mode
–0.400
–0.035
–0.029
–0.023
–0.017
–0.011
–0.005
0
0.005
0.011
0.017
–40
25
105
125
TEMPERATURE (°C)
AVDD1x = 3.3V
VREF = 2.5V
VIN = 0dBFS
CH 0
CH 1
CH 2
CH 3
CH 4
CH 5
CH 6
CH 7
Figure 67. Gain Error vs. Temperature, Low Power Mode



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