AD7170 Datasheet, PDF (8/16 Pages) Analog Devices – 12-Bit Low Power Sigma-Delta ADC

AD7170
TYPICAL PERFORMANCE CHARACTERISTICS
10
V_REF = V_DD = 5V
8
V_REF = V_DD = 3V
6
4
2
0
–40
–10
20
50
80
110
TEMPERATURE (°C)
Figure 6. AD7170 RMS Noise vs. Temperature
0.020
0.015
0.010
0.005
0
–0.005
–0.010
–0.015
–3
–2
–1
0
1
2
3
V_IN (V)
Figure 7. Integral Nonlinearity (VREF = VDD)
180
160
140
120
–40
–10
20
50
80
110
TEMPERATURE (°C)
Figure 8. Offset vs. Temperature
0.025
0.023
0.021
0.019
0.017
0.015
–40
–10
20
50
80
110
TEMPERATURE (°C)
Figure 9. Gain Error vs. Temperature
140
132
V_REF = V_DD = 5V
124
116
V_REF = V_DD = 3V
108
100
–40
–10
20
50
80
110
TEMPERATURE (°C)
Figure 10. Power Supply Current vs. Temperature
4.5
4.0
3.5
3.0
V_REF = V_DD = 5V
2.5
2.0
1.5
1.0
V_REF = V_DD = 3V
0.5
0
–40
–10
20
50
80
110
TEMPERATURE (°C)
Figure 11. Power-Down Current vs. Temperature
Rev. 0 | Page 8 of 16