
ADA4691-2/ADA4692-2
10k
输出饱和电压(MV )
输出饱和电压(MV )
1k
ADA4692-2
V
SY
= ±1.35V
V
OL
= V
OUT
– (V–)
(塌陷)
10k
1k
T
A
= +125°C
ADA4692-2
V
SY
= ±2.5V
V
OL
= V
OUT
– (V–)
(塌陷)
T
A
= +125°C
100
T
A
= +85°C
10
T
A
= +25°C
100
T
A
= +85°C
10
T
A
= +25°C
1
T
A
= –40°C
1
T
A
= –40°C
0.1
0.1
0.01
0.1
I
负载
(MA )
1
10
100
0.01
0.1
I
负载
(MA )
1
10
100
图15输出电压(V
OL
)到电源轨与负载电流
120
100
80
60
增益(dB )
图18.输出电压(V
OL
)到电源轨与负载电流
120
100
80
相位(度)
120
100
80
C
L
= 20pF的
60
40
20
0
ADA4692-2
V
SY
= ±1.35V
T
A
= 25°C
A
V
= –1
10k
100k
频率(Hz)
C
L
= 200pF的
–20
–40
07950-021
120
100
80
C
L
= 20pF的
相位(度)
07950-025
07950-024
60
增益(dB )
60
40
20
0
40
20
0
–20
–40
40
20
0
–20
–40
ADA4692-2
V
SY
= ±2.5V
T
A
= 25°C
A
V
= –1
10k
100k
频率(Hz)
C
L
= 200pF的
–20
–40
–60
10M
–60
1k
1M
–60
10M
–60
1k
1M
图16.开环增益和相位与频率的关系
50
40
30
20
增益(dB )
图19.开环增益和相位与频率的关系
50
A
V
= +100
40
30
A
V
= +100
A
V
= +10
增益(dB )
20
10
A
V
= +10
10
A
V
= +1
0
–10
–20
ADA4692-2
V
SY
= ±1.35V
T
A
= 25°C
R
L
= 600
07950-022
A
V
= +1
0
–10
–20
ADA4692-2
V
SY
= ±2.5V
T
A
= 25°C
R
L
= 600
100
1k
10k
100k
1M
10M
频率(Hz)
–30
10
100
1k
10k
100k
1M
10M
–30
10
频率(Hz)
图17.闭环增益与频率的关系
图20.闭环增益与频率的关系
版本A |第9页
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07950-018
07950-015
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0.01
0.001