Datasheet

AD7877 Data Sheet
Rev. D | Page 10 of 44
1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
0 500 1000 1500 2000 2500 3000 3500 4000
03796-045
CODE
DNL (LSB)
Figure 12. ADC DNL Plot
22
8
10
12
14
16
18
20
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
03796-048
V
CC
(V)
R
ON
(Ω)
Y+ TO V
CC
Y– TO GND
X+ TO V
CC
X– TO GND
Figure 13. Switch On Resistance vs. V
CC
(X+, Y+: V
CC
to Pin; X−, Y−: Pin to GND)
22
8
10
12
14
16
18
20
–40 –20 0 20 40 60 80
03796-049
TEMPERATURE (°C)
R
ON
(Ω)
Y+ TO V
CC
Y– TO GND
X+ TO V
CC
X– TO GND
Figure 14. Switch On Resistance vs. Temperature
(X+, Y+: V
CC
to Pin; X−, Y−: Pin to GND)
16
14
12
10
8
6
4
2
0
–50 9070503010–10–30
03796-046
TEMPERATURE (°C)
REFERENCE CURRENT (µA)
Figure 15. External Reference Current vs. Temperature
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.485
2.480
2.475
–50 –30 –10 10 30 50 70 90
03796-033
TEMPERATURE (°C)
V
REF
(V)
Figure 16. Internal V
REF
vs. Temperature
2.508
2.496
2.498
2.500
2.502
2.504
2.506
2.6 2.9 3.2 3.5 3.8 4.1 4.4 4.7 5.0
03796-034
V
CC
(V)
V
REF
(V)
Figure 17. Internal V
REF
vs. V
CC