Datasheet

AD7745/AD7746
Rev. 0 | Page 10 of 28
2.0
–2.0
–50 150
05468-034
TEMPERATURE (°C)
ERROR (°C)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–25 0 25 50 75 100 125
Figure 18. Internal Temperature Sensor Error vs. Temperature
1.0
–3.0
–50 150
05468-035
TEMPERATURE (°C)
ERROR (°C)
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–25 0 25 50 75 100 125
Figure 19. External Temperature Sensor Error vs. Temperature
0
–120
0 1000
05468-036
INPUT SIGNAL FREQUENCY (Hz)
GAIN (dB)
–20
–40
–60
–80
–100
100 200 300 400 500 600 700 800 900
Figure 20. Capacitance Channel Frequency Response,
Conversion Time = 11 ms
0
–120
0 400
05468-037
INPUT SIGNAL FREQUENCY (Hz)
GAIN (dB)
–20
–40
–60
–80
–100
50 100 150 200 250 300 350
Figure 21. Capacitance Channel Frequency Response,
Conversion Time = 62 ms
0
–120
0 400
05468-038
INPUT SIGNAL FREQUENCY (Hz)
GAIN (dB)
–20
–40
–60
–80
–100
50 100 150 200 250 300 350
Figure 22. Capacitance Channel Frequency Response,
Conversion Time = 109.6 ms
0
–120
0 400
05468-039
INPUT SIGNAL FREQUENCY (Hz)
GAIN (dB)
–20
–40
–60
–80
–100
50 100 150 200 250 300 350
Figure 23. Voltage Channel Frequency Response,
Conversion Time = 122.1 ms