AD7152(Rev0) View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
AD7152 Datasheet PDF : 24 Pages
| |||
AD7152/AD7153
TYPICAL PERFORMANCE CHARACTERISTICS
0.05
0.04
0.03
0.02
0.01
0
0.01
0.02
0.03
0.04
0.05
–2
–1
0
1
2
CAPACITANCE (pF)
Figure 6. Capacitance Input Integral Nonlinearity,
VDD = 3.3 V, See Figure 34
0.20
TC ≈ 28ppm/°C
0.15
0.10
0.05
0.00
–0.05
–0.10
–0.15
–0.20
–0.25
50
25
0
25
50
75
100
TEMPERATURE (°C)
Figure 7. Capacitance Input Gain Drift vs. Temperature,
VDD = 3.3 V, Range = ±2 pF
0.4
0.2
0
–0.2
–0.4
–50
–25
0
25
50
TEMPERATURE (°C)
75
100
Figure 8. Capacitance Input Offset Drift vs. Temperature,
VDD = 3.3 V, CIN and EXC Pins Open Circuit
2
0
–2
3pF
9pF
–4
–6
–8
–10
–12
0
50
100
150 200
250
300 350
CAP LOAD TO GND (pF)
Figure 9. Capacitance Input Error vs. Capacitance Between CIN and GND;
Single-Ended Mode, CIN(+) to EXC = 3 pF and 9 pF, VDD = 3.3 V
2
2pF
0
–2
8pF
–4
–6
–8
–10
–12
0
50
100
150
200 250
300
350
CAP LOAD TO GND (pF)
Figure 10. Capacitance Input Error vs. Capacitance Between CIN and GND,
Differential Mode, CIN(+) to EXC = 2 pF and 8 pF,
CIN(−) to EXC = 0 pF and 6 pF, VDD = 3.3 V
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
0
50
100
150
200 250
300
350
CAP LOAD TO GND (pF)
Figure 11. Capacitance Input Error vs. Capacitance Between EXC and GND,
Single-Ended Mode, CIN(+) to EXC = 9 pF, VDD = 3.3 V
Rev. 0 | Page 8 of 24
Share Link: 