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AD7401 Datasheet(PDF) 10 Page - Analog Devices

Part # AD7401
Description  Isolated Sigma-Delta Modulator
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7401 Datasheet(HTML) 10 Page - Analog Devices

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AD7401
Rev. A | Page 10 of 20
250
–250
–45
TEMPERATURE (°C)
–35 –25 –15 –5 5 15 25 35 45 55 65 75 85 95 105
200
150
100
50
0
–50
–100
–150
–200
VDD1 =VDD2 =5V
MCLKIN = 16MHz
VDD1 =VDD2 =4.5V
MCLKIN = 5MHz
VDD1 =VDD2 =4.5V
MCLKIN = 16MHz
VDD1 =VDD2 =4.5V
MCLKIN = 10MHz
VDD1 =VDD2 =5V
MCLKIN = 5MHz
VDD1 =VDD2 = 5.25V
MCLKIN = 16MHz
VDD1 =VDD2 = 5.25V
MCLKIN = 10MHz
VDD1 =VDD2 =5V
MCLKIN = 10MHz
VDD1 =VDD2 =5.25V
MCLKIN = 5MHz
Figure 12. Offset Drift vs. Temperature for Various Supply Voltages
200.5
199.5
–45
TEMPERATURE (°C)
–35 –25 –15 –5 5 15 25 35 45 55 65 75 85 95 105
200.4
200.3
200.2
200.1
200.0
199.9
199.8
199.7
199.6
VDD1 =VDD2 =5V
MCLKIN = 16MHz
VDD1 =VDD2 =4.5V
MCLKIN = 5MHz
VDD1 =VDD2 =4.5V
MCLKIN = 16MHz
VDD1 =VDD2 = 5.25V
MCLKIN = 16MHz
VDD1 =VDD2 =5V
MCLKIN = 10MHz
VDD1 =VDD2 =4.5V
MCLKIN = 10MHz
VDD1 =VDD2 =5V
MCLKIN = 5MHz
VDD1 =VDD2 =5.25V
MCLKIN = 10MHz
VDD1 =VDD2 = 5.25V
MCLKIN = 5MHz
Figure 13. Gain Error Drift vs. Temperature for Various Supply Voltages
VIN DC INPUT VOLTAGE (V)
–0.33
0.33
–0.28 –0.23 –0.18 –0.13 –0.08 –0.03 0.03 0.08 0.13 0.18 0.23 0.28
0.0065
0.0070
0.0075
0.0080
0.0085
0.0090
0.0095
0.0100
0.0105
VDD1 =VDD2 =5V
TA = 25°C
MCLKIN = 16MHz
MCLKIN = 10MHz
MCLKIN = 5MHz
Figure 14. IDD1 vs. VIN DC Input Voltage
VIN DC INPUT VOLTAGE (V)
–0.33
0.33
–0.28 –0.23 –0.18 –0.13 –0.08 –0.03 0.03 0.08 0.13 0.18 0.23 0.28
0.0060
0.0065
0.0070
0.0075
0.0080
0.0085
0.0090
0.0095
0.0100
0.0105
MCLKIN = 16MHz
TA =+85°C
MCLKIN = 16MHz
TA = +105°C
MCLKIN = 16MHz
TA = –40°C
MCLKIN = 10MHz
TA = –40°C
MCLKIN = 10MHz
TA = +105°C
MCLKIN = 10MHz
TA =+85°C
MCLKIN = 5MHz
TA = +105°C
MCLKIN = 5MHz
TA = +85°C
MCLKIN = 5MHz
TA = –40°C
VDD1 =VDD2 =5V
Figure 15. IDD1 vs. VIN at Various Temperatures
VIN DC INPUT VOLTAGE (V)
–0.325
–0.225
–0.125
–0.025
0.075
0.175
0.325
–0.275
–0.175
–0.075
0.025
0.125
0.225
0.275
0.0020
0.0070
VDD1 =VDD2 =5V
TA = 25°C
MCLKIN = 16MHz
MCLKIN = 10MHz
MCLKIN = 5MHz
0.0065
0.0060
0.0055
0.0050
0.0045
0.0040
0.0035
0.0030
0.0025
Figure 16. IDD2 vs. VIN DC Input Voltage
VIN DC INPUT VOLTAGE (V)
–0.325
–0.225
–0.125
–0.025
0.075
0.175
0.325
–0.275
–0.175
–0.075
0.025
0.125
0.225
0.275
0.0020
0.0070
0.0065
0.0060
0.0055
0.0050
0.0045
0.0040
0.0035
0.0030
0.0025
MCLKIN = 16MHz
TA = +105°C
MCLKIN = 16MHz
TA =+85°C
MCLKIN = 16MHz
TA = –40°C
MCLKIN = 10MHz
TA = –40°C
MCLKIN = 10MHz
TA = +105°C
MCLKIN = 10MHz
TA =+85°C
MCLKIN = 5MHz
TA = +105°C
MCLKIN = 5MHz
TA = +85°C
MCLKIN = 5MHz
TA = –40°C
VDD1 =VDD2 =5V
Figure 17. IDD2 vs. VIN at Various Temperatures



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