
初步的技术数据
典型性能特性
1.0
0.8
0.6
DNL误差( LSB )
AD5762R
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
06064-007
T
A
= 25°C
V
DD
/V
SS
= ±15V
REFIN = 5V
T
A
= 25°C
V
DD
/V
SS
= ±12V
REFIN = 5V
0.4
INL误差( LSB )
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
10000
20000
30000
40000
50000
60000
0
10000
20000
30000
40000
50000
60000
DAC码
DAC码
图7.积分非线性误差与代码,
V
DD
/V
SS
= ±15 V
1.0
T
A
= 25°C
0.8 V
DD
/V
SS
= ±12V
REFIN = 5V
0.6
0.4
INL误差( LSB )
图10.微分非线性误差与代码,
V
DD
/V
SS
= ±12 V
0.5
0.4
0.3
INL误差( LSB )
T
A
= 25°C
V
DD
/V
SS
= ±15V
REFIN = 5V
0.2
0
–0.2
–0.4
–0.6
–0.8
06064-008
0.2
0.1
0
–0.1
–0.2
–40
0
10000
20000
30000
40000
50000
60000
–20
0
20
40
60
80
100
DAC码
温度(℃)
图8.积分非线性误差与代码,
V
DD
/V
SS
= ±12 V
1.0
0.8
0.6
DNL误差( LSB )
图11.积分非线性误差与温度的关系,
V
DD
/V
SS
= ±15 V
0.5
T
A
= 25°C
V
DD
/V
SS
= ±12V
REFIN = 5V
T
A
= 25°C
V
DD
/V
SS
= ±15V
REFIN = 5V
0.4
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
06064-011
INL误差( LSB )
0.3
0.2
0.1
0
0
10000
20000
30000
40000
50000
60000
–20
0
20
40
60
80
100
DAC码
温度(℃)
图9.微分非线性误差与代码,
V
DD
/V
SS
= ±15 V
图12.积分非线性误差与温度的关系,
V
DD
/V
SS
= ±12 V
牧师PRA |第15页33
06064-016
–1.0
–0.1
–40
06064-015
–1.0
06064-012
–1.0