AD5232
0
–6
–12
–18
数据= 80
H
数据= 40
H
80
R
AB
= 100k
R
AB
= 50k
PSRR抑制 - 分贝
数据= 20
H
数据= 10
H
DATA = 08
H
DATA = 04
H
60
R
AB
= 10k
40
增益 - 分贝
–24
–30
–36
DATA = 02
H
–42
–48
–54
–60
1k
V
DD
= +2.7V
V
A
V
SS
= –2.7V
V
A
= 100mV的RMS
T
A
= 25 C
10k
100k
频赫兹
数据= 01
H
20
V
DD
= 5.5V 100mV的交流
V
SS
= 0V, V
B
= 5V, V
A
= 0V
测量在V
W
使用代码= 80
H
T
A
= 25 C
10k
100k
1M
R
AB
= 10k
1M
0
1k
频率 - 赫兹
TPC 13.增益与频率对码，R
AB
= 10 k
0
–6
–12
–18
TPC 16. PSRR与频率的关系
120
C
TA
模拟串扰抑制 - 分贝
数据= 80
H
数据= 40
H
数据= 20
H
数据= 10
H
DATA = 08
H
DATA = 04
H
100
R
AB
= 50k
80
R
AB
= 100k
60
R
AB
= 10k
增益 - 分贝
–24
–30
–36
DATA = 02
H
–42
–48
–54
–60
1k
V
DD
= +2.7V
V
A
V
SS
= –2.7V
V
A
= 100mV的RMS
T
A
= 25 C
10k
100k
频率 - 赫兹
数据= 01
H
40
R
AB
= 50k
1M
V
DD
= V
A2
= +2.75V
V
SS
= V
B2
= –2.75V
V
IN
= +2.5V
P
T
A
= 25 C
1
见测试电路，图22
10
频率 - 千赫
100
20
TPC 14.增益与频率对码，R
AB
= 50 k
0
–6
–12
–18
数据= 80
H
数据= 40
H
数据= 20
H
数据= 10
H
DATA = 08
H
DATA = 04
H
–36
DATA = 02
H
–42
–48
–54
–60
1k
V
DD
= +2.7V
V
A
V
SS
= –2.7V
V
A
= 100mV的RMS
T
A
= 25 C
10k
100k
频率 - 赫兹
数据= 01
H
TPC 17.模拟串扰与频率的关系
增益 - 分贝
–24
–30
R
AB
= 100k
1M
TPC 15.增益与频率对码，R
AB
= 100 k
–18–
第0版
