ADT7517_15 Datasheet, PDF (12/44 Pages) Analog Devices – SPI-/IC-Compatible, Temperature Sensor, 4-Channel ADC and Quad Voltage Output

ADT7516/ADT7517/ADT7519
0.30
0.25
INL WCP
0.20
0.15
0.10
0.05
DNL WCP
0
–0.05
DNL WCN
INL WCN
–0.10
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
V_REF (V)
Figure 14. ADT7519 DAC INL and DNL Error vs. VREF
0.14
INL WCP
0.12
0.10
INL WCN
0.08
0.06
0.04
DNL WCP
0.02
0
–0.02
–0.04
DNL WCN
–0.06
–40
–10
20
50
80
110
TEMPERATURE (°C)
Figure 15. ADT7519 DAC INL Error and DNL Error vs. Temperature
0
–0.2
OFFSET ERROR
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
GAIN ERROR
–1.6
–1.8
–40 –20
0
20
40
60
80 100 120
TEMPERATURE (°C)
Figure 16. DAC Offset Error and Gain Error vs. Temperature
10
OFFSET ERROR
5
0
V_REF = 2.25V
–5
–10
–15
GAIN ERROR
–20
2.7
3.3
3.6
4.0
4.5
5.0
5.5
V_DD (V)
Figure 17. DAC Offset Error and Gain Error vs. VDD
2.505
2.500
2.495
2.490
SOURCE CURRENT
2.485
2.480
SINK CURRENT
2.475
2.470
V_DD = 5V
V_REF = 5V
DAC OUTPUT
LOADED TO MIDSCALE
2.465
0
1
2
3
4
CURRENT (mA)
5
6
Figure 18. DAC VOUT Source and Sink Current Capability
1.98
DAC OUTPUT UNLOADED
1.96
1.94
1.92
DAC OUTPUT LOADED
1.90
1.88
1.86
0
500 1000 1500 2000 2500 3000 3500 4000
DAC CODE
Figure 19. Supply Current vs. DAC Code
Rev. B | Page 12 of 44