上阻抗R
ON
(Ω)
3.3V
插入损耗BW (分贝)
截止隔离OIRR (分贝)
-30
-40
-50
-60
-70
-80
-90
1M
10M
100M
1G
串扰XTALK ( dB)的
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI5A317A/318A/319A
精密型宽带模拟开关
R
L
= 100Ω
T
A
= 25°C
R
IN
= 1dBm的
R
L
= 100Ω
T
A
= 25°C
20
0
5V
15
-1
3.3V
-2
10
5
5V
-3
0
0
1
2
3
4
5
-4
1K
1M
10M
100M
1G
输入电压( V)
图7.导通电阻与输入电压
频率(Hz)
图8.插入损耗与频率
P
IN
= 1dBm的
T
A
= 25°C
R
L
= 100Ω
P
IN
= 1dBm的
T
A
= 25°C
R
L
= 100Ω
0
-10
-20
0
-10
-20
-30
-40
-50
-60
-70
-80
1M
10M
100M
1G
3.3V, 5V
3.3V, 5V
频率(Hz)
图9.关断隔离与频率的关系
频率(Hz)
图10.串扰与频率
百利通半导体公司
2380白令驱动•圣何塞,加利福尼亚95131 • 1-800-435-2336 •传真:( 408 ) 435-1100 •http://www.pericom.com
31
PS7059B
02/23/98