AD8044
rev. 一个
–9–
温度 –
C
12.0
9.0
11.5
11.0
10.5
10.0
9.5
–40
供应 电流 – 毫安
–20 0 20 40 60 80 100
V
S
=
5V
V
S
= +5v
V
S
= +3v
图示 22. 供应 电流 vs. 温度
频率 – mhz
20
–10
–30
–50
–70
10
0
–20
–40
–60
–80
1 50010 1000.1
0.01
psrr – db
V
S
= +5v
–PSRR
+PSRR
图示 23. psrr vs. 频率
10
9
0
6
3
2
1
8
7
4
5
V
输出
p-p – 伏特
频率 – mhz
V
S
=
5V
R
L
= 2k
0.1 1 10 100 500
图示 24. 输出 电压 摆动 vs. 频率
加载 电容 –pF
% 越过
60
40
0
30
20
10
50
0 25050 100 150 200
g = +2, r
S
= 0
,
V
O
= 100mv 步伐
R
F
= r
G
= 750
g = +1, r
S
= 20
,
V
O
= 100mv 步伐
R
F
= 0, r
G
=
g = +1, r
S
= 40
,
V
O
= 100mv 步伐
R
F
= 0, r
G
=
g = +3, r
S
= 0
,
V
O
= 150mv 步伐
R
F
= 750
R
G
= 375
50
V
在
–2.5v
+2.5v
R
F
R
G
R
S
V
输出
图示 25. % 越过 vs. 电容的 加载
3
–1
–6
100k 1M
10M 100M 500M
2
1
0
–2
–3
–4
–5
–7
normalized 输出 – db
频率 – hz
V
S
= +5v
R
L
= 5k
至 2.5v
R
F
= 2k
g = +5
g = +10
g = +2
R
L
= 150
至 2.5v
R
F
= 200
g = +2
图示 26. 频率 回馈 vs. 关闭-循环 增益
–10
–50
–100
–20
–30
–40
–60
–70
–80
–90
–110
0.1
串扰 – db
1 10 100
频率 – mhz
400
V
S
=
5V
V
在
= 1v p-p
g = +2
R
F
= 1k
R
L
= 1k
R
L
= 100
图示 27. 串扰 (输出 至 输出) vs. 频率
: 点此下载
