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数据表
0
V
CM
= 1V P-P
–20
–40
输出电压摆幅(V ) ,V
S
= ±15V
ADA4898-1/ADA4898-2
15
正摆幅,
V
S
= +15V
12
负摆幅,
V
S
= –15V
5
输出电压摆幅(V ) ,V
S
= ±5V
07037-101
07037-100
负摆幅, 4
V
S
= –5V
共模抑制比(分贝)
–60
–80
–100
–120
–140
100
V
CM
= 100mV的P-P
9
正摆幅,V
S
= +5V
6
3
2
3
1
G = +1
R
F
= 0
R
L
= 100
V
S
= ±15V
1k
10k
100k
1M
10M
07037-029
0
50
100
1000
负载电阻( Ω )
0
4000
频率(Hz)
图31.共模抑制比( CMRR )与频率的关系
图34的输出摆幅与负载,G = 2 ,负载= R
L
// (R
F
+ R
G
)
–45
–40
V
OUT
= 0.1V P-P
G = +1
R
L
= 1k
–50 V
OUT
= 2V峰 - 峰值
–60
+ IN1到V
OUT2
, V
S
= ±5V
PD隔离度(dB )
串扰( dB)的
–55
+ IN1到V
OUT2
, V
S
= ±15V
–70
–80
–90
V
OUT
= 2V峰 - 峰值
–65
+ IN2到V
OUT1
, V
S
= ±15V
1M
10M
频率(Hz)
100M
07037-031
–75
100k
G = +1
R
L
= 1k
V
S
= ±15V
–100
–110
+ IN2到V
OUT1
, V
S
= ±5V
1
10
频率(MHz)
100
图32. PD输入到输出隔离与频率的关系
0
图35.串扰与频率的关系
–20
–40
PSRR (分贝)
–60
–80
+ PSRR
–100
-PSRR
1k
10k
100k
频率(Hz)
G = +1
R
F
= 0
R
L
= 100
V
S
= ±15V
V
OUT
= 2V峰 - 峰值
1M
10M
07037-030
–120
100
图33.电源抑制比( PSRR )与频率的关系
修订版D |第11页20