LTC1064
典型应用S
8阶切比雪夫低通滤波器的通带
纹波0.1分贝和截止频率高达100kHz
R13
1
R22
R32
R12
R42
2
3
4
5
6
5V至8V
0.1F
R41
R31
R21
R11
V
IN
7
8
9
10
11
12
INV B
HPB / NB
BPB
LPB
SB
AGND
V
+
V
–
LTC1064
CLK
19
18
17
16
15
14
13
-5V TO -8V
f
CLK
= 5MHz时，
5V至8V
R44
R34
R24
0.1F
增益（dB ）
SA
LPA
BPA
HPA / NA
INV一
电阻值：
R11 = R21 100.86k = 16.75k
R12 = R22 25.72k = 20.93k
R13 = R23 16.61k = 10.18k
R14 = R24 13.84k = 11.52k
R31 = 23.6k
R32 = 45.2k
R33 = 68.15k
R34 = 17.72k
适用于F
CLK
> 3MHz的，ADD C2 = 10pF的ACROSS R42
C3 = 10pF的ACROSS R43
C4 = 10pF的ACROSS R44
宽带噪声= 170μV
RMS
U
INV
HPC / NC
BPC
LPC
SC
24
23
22
21
20
R23
R33
R43
R14
振幅响应
15
0
– 15
–30
–45
–60
–75
–90
V
S
=
±8V
f
CLK
= 5MHz时，
通带纹波= 0.1分贝
100k
输入频率（Hz）
1M
1064 TA12
50/100
LPD
BPD
HPD
INV
–105
10k
V
OUT
R41 = 99.73k
R42 = 25.52k
R43 = 99.83k
R44 = 25.42k
1064 TA11
1064fb
13
