0
–20
–80
–60
20
40
60
80
–40
0 20 6040 80 100 120
I
D
, I
S
(在)
I
S
(止)
V
DD
= 3.3v
0
10
20
30
40
50
60
70
80
90
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
T
一个
= 25ºC
V
CC
= 3.3v
V
CC
= 2.5v
V
CC
= 1.8v
ATTENUATION (db)
V
CC
= 3.3v/2.5v/1.8v
T
一个
= 25ºC