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AD8013
–40
谐波失真 - dBc的
–50
–60
–70
–80
–90
–100
–110
–120
1k
G = +2
V
O
= 2V峰 - 峰值
V
S
=
±5V
+1
0
2nd
R
L
= 150
相
V
S
= +5V
G = +1
R
L
= 150
V
S
=
±5V
0
–90
–180
–270
闭环增益
(归一化) - 分贝
收益
V
S
=
±5V
–1
–2
–3
V
S
= +5V
–4
–5
2nd
R
L
= 1k
3rd
R
L
= 150
10k
100k
1M
频率 - 赫兹
3rd
R
L
= 1k
10M
100M
–6
1M
100M
10M
频率 - 赫兹
1G
图15.谐波失真与频率的关系
图18.闭环增益和相位与频率的关系,
G = 1 ,R
L
= 150
1800
1600
1400
V
S
=
±5V
R
L
= 500
2000
1800
G = +10
压摆率 - V / μs的
G = +10
1600
1400
G = –1
1200
G = +2
1000
800
G = +1
600
400
200
压摆率 - V / μs的
1200
G = –1
1000
800
600
400
200
1
2
3
4
5
6
输出步长 - V P-P
7
8
G = +2
G = +1
1.5
2.5
3.5
4.5
5.5
电源电压 -
μvolts
6.5
7.5
图16.压摆率与输出步长
图19.最大压摆率与电源电压
2V
100
20ns
100
500mV
V
IN
90
20ns
V
IN
90
V
OUT
10
0%
V
OUT
10
0%
2V
500mV
图17.大信号脉冲响应,增益= 1 ,
(R
F
= 2 k
, R
L
= 150
, V
S
=
±
5 V)
图20.小信号脉冲响应,增益= 1 ,
(R
F
= 2 k
, R
L
= 150
, V
S
=
±
5 V)
REV 。一
–7–
相移 - 度
–30