rev. b
AD8380
–8–
CLK
输出 @ 代号0
2v/div
20ns/div
1mv/div
vfs = 5v
vmid = 7v
inv = l
R
S
= 25
C
L
= 150pf
tpc 19. 时钟 切换 瞬时 (feedthrough) 在 c
L
数据
输出
@ 代号 1023
2v/div
20ns/div
5mv/div
vfs = 5v
vmid = 7v
inv = l
R
S
= 25
C
L
= 150pf
tpc 20. 数据切换 瞬时 (feedthrough) 在 c
L
VID5
(安静)
20mv/div
10ns/div
2.5v/div
vid0,1,2,3,4
vfs = 5v
vmid = 7v
inv = l
R
S
= 25
C
L
= 150pf
tpc 21. 所有-不利的 串扰 在 c
L
频率
–
Hz
60
0
–
80
–
60
–
40
–
20
40
20
10k 5M100k
PSRR
–
dB
1M
voutp (inv = l)
voutn (inv = h)
tpc 22. avcc 电源 供应 拒绝 vs. 频率