Datasheet

LTC1068 Series
23
1068fc
TYPICAL APPLICATIONS
LTC1068 8th Order Linear Phase Bandpass, f
CENTER
= f
CLK
/100,
Passband –3dB at (0.88)(f
CENTER
) and (1.12)(f
CENTER
). Maximum
f
CENTER
= 50kHz with ±5V Supplies
FilterCAD Custom Inputs for f
C
= 10kHz
2nd ORDER SECTION f
0
(kHz) Q f
N
(kHz) TYPE MODE
B 10.4569 2.6999 17.4706 LPN 2n
C 11.7607 3.9841 BP 2
A 8.6632 2.1384 BP 2b
D 9.0909 1.8356 BP 3
Gain vs Frequency
24-Lead Package
INV B INV C
241
HPB/NB HPC/NC
23
2
SB SC
205
R21
10k
R22
10k
BPB BPC
223
R31
25.5k
R32
32.4k
LPA LPD
169
R43
16.9k
R63
2.32k
R44
12.1k
BPA BPD
1510
R33
17.4k
R34
19.1k
HPA/NA HPD/ND
1411
INV A INV D
1312
R23
7.32k
R24
10k
LPB LPC
214
R41
107k
R42
26.1k
R11
24.3k
V
IN
R
L1
24.9k
R
B2
14.3k
R
H1
51.1k
R
B3
18.7k
V
OUT
AGND V
–
196
V
+
f
CLK
18
7
SA SD
17
8
5V
–5V
1MHz
1068 TA17
LTC1068
0.1µF
0.1µF
R53
4.99k
FREQUENCY (kHz)
1
GAIN(dB)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
10 100
1068 TA18