AD812
1400
V
S
= 15V
R
L
= 500
G = +1
1400
G = +1
1200
1200
1000
压摆率 - V / S
1000
G = +2
800
600
400
200
0
0
1
2
3
4
5
6
7
8
9
10
输出步长 - VP -P
G = +10
压摆率 - V / S
800
600
G = +10
G = +2
G = –1
400
200
0
G = –1
0
1.5
3.0
4.5
6.0
7.5
9.0
10.5
伏
12.0
13.5 15.0
电源电压 -
图22.压摆率与输出步长
图25.最大压摆率与电源电压
2V
100
90
50ns
100
500mV
20ns
V
IN
90
V
IN
10
0%
V
OUT
10
0%
V
OUT
2V
500mV
图23.大信号脉冲响应，增益= 1 ，
(R
F
= 750
, R
L
= 150
, V
S
=
±
5 V)
图26.小信号脉冲响应，增益= 1 ，
(R
F
= 750
, R
L
= 150
, V
S
=
±
5 V)
相
G = +1
R
L
= 150
V
S
=
15V
5V
相移 - 度
200
180
160
-3dB带宽 - 兆赫
0
–90
–180
G = +1
R
L
= 150
R
F
= 750
R
F
= 866
高峰
1dB
高峰
0.2dB
1
收益
闭环增益 - 分贝
140
120
100
80
60
40
5V
–270
3V
V
S
=
15V
5V
0
–1
–2
–3
–4
–5
–6
1
10
100
频率 - 兆赫
5V
3V
20
0
1000
0
2
4
6
8
10
12
14
伏
16
18
20
电源电压 -
图24.闭环增益和相位与频率的关系，
G = +1
图27. -3 dB带宽与电源电压， G = 1
版本B
–9–
