LTC1064
典型应用S
双五阶切比雪夫低通滤波器
50kHz至100kHz的截止频率
R14
R13a
V
IN2
R13b
C2
1000pF
R23
R33
R43
1
2
3
4
5
2pF
6
7
0.1F
22pF
8
9
R41
R31
R11a
V
IN1
R11b
C1
1000pF
电阻值：
R11A = 4.32k R21 = 11.8k
R11B = 27.4k R22 = 20K
R12 = 10.5K
R23 = 11.8k
R13a = 3K
R24 = 20K
R13B = 29.4k
R14 = 10.5K
R31 = 29.4k
R32 = 21.5k
R33 = 29.4k
R34 = 21.6k
R21
10
11
12
INV B
HPB / NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA / NA
INV一
LTC1064
INV
HPC / NC
BPC
LPC
SC
24
23
22
21
20
R24
R34
4pF
R44
V
OUT2
f
C
= 100kHz的
–8V
5MHz
T
2
L
R42
R32
R22
39pF
0.1F
V
OUT1
f
C
= 50kHz的
19
V
–
CLK
18
17
16
15
14
13
R12
增益（dB ）
8V
16
U
振幅响应
15
通带纹波= 0.2分贝
0
– 15
–30
–45
–60
–75
–90
–105
10k
50k 100k
输入频率（Hz）
1M
1064 TA20
50/100
LPD
BPD
HPD
INV
R41 = 10K
R42 = 31.6k
R43 = 10K
R44 = 31.6k
1064 TA19
1064fb
