
AD7401A
Rev. C | Page 11 of 20
250
–250
–45
TEMPERATURE (°C)
O
F
S
ET
(
V)
–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
07
33
2-
01
2
Figure 12. Offset Drift vs. Temperature for Various Supply Voltages
200.5
199.5
–45
TEMPERATURE (°C)
GA
IN
(
m
V
)
–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
07
33
2-
01
3
Figure 13. Gain Error Drift vs. Temperature for Various Supply Voltages
VIN DC INPUT VOLTAGE (V)
I DD
1
(A
)
–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
07
33
2-
0
14
Figure 14. IDD1 vs. VIN DC Input Voltage
VIN DC INPUT VOLTAGE (V)
I DD
1
(A
)
–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
07
33
2-
0
15
Figure 15. IDD1 vs. VIN at Various Temperatures
VIN DC INPUT VOLTAGE (V)
I DD
2
(A
)
–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
07
33
2-
0
16
Figure 16. IDD2 vs. VIN DC Input Voltage
VIN DC INPUT VOLTAGE (V)
I DD
2
(A
)
–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
07
33
2-
0
17
Figure 17. IDD2 vs. VIN at Various Temperatures