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LTC1992系列
典型PERFOR一个CE特征
差分输入大信号
阶跃响应
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
+V
IN
=
±
300mV
–V
IN
= 300mV的
C
负载
= 0pF
0V
±
V
OUTDIFF
(1V/DIV)
V
OUTDIFF
(1V/DIV)
0V
共模抑制比(分贝)
C
负载
= 10000pF
C
负载
= 1000pF的
2s/DIV
1992 G90
20s/DIV
单端输入大信号
阶跃响应
单端输入大信号
阶跃响应
100
C
负载
= 10000pF
C
负载
= 1000pF的
V
OUTDIFF
(1V/DIV)
V
OUTDIFF
(1V/DIV)
PSRR (分贝)
2.5V
+V
S
= 5V
–V
S
= 0V
V
OCM
= 2.5V
+V
IN
= 0V至为800mV
–V
IN
= 400mV的
C
负载
= 0pF
2s/DIV
1992 G93
2.5V
+V
S
= 5V
–V
S
= 0V
V
OCM
= 2.5V
+V
IN
= 0V至为800mV
–V
IN
= 400mV的
20s/DIV
1992 G94
差分输入小信号
阶跃响应
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
+V
IN
=
±10mV
–V
IN
= 10mV的
C
负载
= 0pF
0V
±
差分输入小信号
阶跃响应
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
+V
IN
=
±10mV
–V
IN
= 10mV的
±
输出平衡(分贝)
V
OUTDIFF
(50mV/DIV)
V
OUTDIFF
(50mV/DIV)
0V
C
负载
= 10000pF
C
负载
= 1000pF的
5s/DIV
1992 G96
50s/DIV
±
ü W
适用于只在LTC1992-5 。
共模抑制比
与频率(注7 )
100
90
80
70
60
50
40
30
20
10
1992 G91
差分输入大信号
阶跃响应
+V
S
= 2.5V
–V
S
= –2.5V
V
OCM
= 0V
+V
IN
=
±
300mV
–V
IN
= 300mV的
0
100
V
AMPCM
V
AMPDIFF
1k
10k
100k
频率(Hz)
1M
1992 G92
电源抑制比
与频率(注7 )
90
80
70
60
50
40
30
20
10
0
10
100
1k
10k
频率(Hz)
100k
1M
1992 G95
+V
S
–V
S
V
S
V
AMPDIFF
输出平衡与频率
0
–20
–40
–60
–80
V
OUTCM
V
OUTDIFF
–100
1992 G97
1
10
100
1k
10k
频率(Hz)
100k
1M
1992 G98
1992f
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