Datasheet

AD7401
Rev. D | Page 10 of 20
250
–250
–45
TEMPERATURE (°C)
OFFSET (µV)
–35 –25 –15 –5 5 15 25 35 45 55 65 75 85 95 105
200
150
100
50
0
–50
–100
–150
–200
V
DD1
=V
DD2
=5V
MCLKIN = 16MHz
V
DD1
=V
DD2
=4.5V
MCLKIN = 5MHz
V
DD1
=V
DD2
=4.5V
MCLKIN = 16MHz
V
DD1
=V
DD2
=4.5V
MCLKIN = 10MHz
V
DD1
=V
DD2
=5V
MCLKIN = 5MHz
V
DD1
=V
DD2
= 5.25V
MCLKIN = 16MHz
V
DD1
=V
DD2
= 5.25V
MCLKIN = 10MHz
V
DD1
=V
DD2
=5V
MCLKIN = 10MHz
V
DD1
=V
DD2
=5.25V
MCLKIN = 5MHz
05851-029
Figure 12. Offset Drift vs. Temperature for Various Supply Voltages
200.5
199.5
–45
TEMPERATURE (°C)
GAIN (mV)
–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
V
DD1
=V
DD2
=5V
MCLKIN = 16MHz
V
DD1
=V
DD2
=4.5V
MCLKIN = 5MHz
V
DD1
=V
DD2
=4.5V
MCLKIN = 16MHz
V
DD1
=V
DD2
= 5.25V
MCLKIN = 16MHz
V
DD1
=V
DD2
=5V
MCLKIN = 10MHz
V
DD1
=V
DD2
=4.5V
MCLKIN = 10MHz
V
DD1
=V
DD2
=5V
MCLKIN = 5MHz
V
DD1
=V
DD2
= 5.25V
MCLKIN = 10MHz
V
DD1
=V
DD2
= 5.25V
MCLKIN = 5MHz
05851-036
Figure 13. Gain Error Drift vs. Temperature for Various Supply Voltages
V
IN
DC INPUT VOLTAGE (V)
I
DD1
(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
V
DD1
=V
DD2
=5V
T
A
=25°C
MCLKIN = 16MHz
MCLKIN = 10MHz
MCLKIN = 5MHz
05851-033
Figure 14. I
DD1
vs. V
IN
DC Input Voltage
V
IN
DC INPUT VOLTAGE (V)
I
DD1
(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
T
A
= +85°C
MCLKIN = 16MHz
T
A
= +105°C
MCLKIN = 16MHz
T
A
= –40°C
MCLKIN = 10MHz
T
A
= –40°C
MCLKIN = 10MHz
T
A
= +105°C
MCLKIN = 10MHz
T
A
= +85°C
MCLKIN = 5MHz
T
A
=+105°C
MCLKIN = 5MHz
T
A
= +85°C
MCLKIN = 5MHz
T
A
= –40°C
V
DD1
=V
DD2
=5V
05851-034
Figure 15. I
DD1
vs. V
IN
at Various Temperatures
V
IN
DC INPUT VOLTAGE (V)
I
DD2
(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
V
DD1
=V
DD2
=5V
T
A
=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
05851-037
Figure 16. I
DD2
vs. V
IN
DC Input Voltage
V
IN
DC INPUT VOLTAGE (V)
I
DD2
(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
T
A
= +105°C
MCLKIN = 16MHz
T
A
=+85°C
MCLKIN = 16MHz
T
A
= –40°C
MCLKIN = 10MHz
T
A
= –40°C
MCLKIN = 10MHz
T
A
= +105°C
MCLKIN = 10MHz
T
A
= +85°C
MCLKIN = 5MHz
T
A
= +105°C
MCLKIN = 5MHz
T
A
= +85°C
MCLKIN = 5MHz
T
A
= –40°C
V
DD1
=V
DD2
=5V
05851-038
Figure 17. I
DD2
vs. V
IN
at Various Temperatures