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AD5625R / AD5645R / AD5665R , AD5625 / AD5665
10
8
6
DNL误差( LSB )
数据表
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
5000
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
INL误差( LSB )
4
2
0
–2
–4
–6
–8
–10
0
60000
45000
35000
10000
15000
20000
10000
15000
20000
25000
30000
35000
40000
45000
50000
55000
60000
65000
25000
30000
40000
50000
55000
65000
5000
06341-010
CODE
CODE
图15. INL , AD5665R , 2.5 V内部参考
图18. DNL , AD5665R , 2.5 V内部参考
4
3
2
1
0
–1
–2
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
0.5
0.4
0.3
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
DNL误差( LSB )
INL误差( LSB )
0.2
0.1
0
–0.1
–0.2
–0.3
–3
–4
–0.4
0
1250
2500
3750
5000
6250
7500
8750
10000
11250
12500
13750
15000
16250
–0.5
0
3750
5000
6250
7500
1250
2500
8750
10000
11250
12500
13750
15000
06341-011
16250
4000
CODE
CODE
图16. INL , AD5645R , 2.5 V内部参考
图19. DNL , AD5645R , 2.5 V内部参考
1.0
0.8
0.6
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
0.20
0.15
0.10
V
DD
= 5V
V
REFOUT
= 2.5V
T
A
= 25°C
DNL误差( LSB )
INL误差( LSB )
0.4
0.2
0
–0.2
–0.4
0.05
0
–0.05
–0.10
–0.6
–0.8
0
500
1000
1500
2000 2500
CODE
3000
3500
4000
06341-012
–0.15
06341-015
–1.0
–0.20
0
500
1000
1500
2000 2500
CODE
3000
3500
图17. INL , AD5625R , 2.5 V内部参考
图20. DNL , AD5625R , 2.5 V内部参考
版本C |第14页36
06341-014
06341-013