LTC1068-200IG#TRPBF Linear Technology, LTC1068-200IG#TRPBF Datasheet - Page 26
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LTC1068-200IG#TRPBF
Manufacturer Part Number
LTC1068-200IG#TRPBF
Description
IC FILTR BUILDNG BLK QUAD 28SSOP
Manufacturer
Linear Technology
Datasheet
1.LTC1068CNPBF.pdf
(28 pages)
Specifications of LTC1068-200IG#TRPBF
Filter Type
Universal Switched Capacitor
Frequency - Cutoff Or Center
25kHz
Number Of Filters
4
Max-order
8th
Voltage - Supply
3.14 V ~ 11 V, ±3.14 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
28-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LTC1068 Series
TYPICAL APPLICATIONS
V
26
5V
IN
R11 18.2k
R63 2.55k
R43 20.5k
R33 36.5k
R23 10k
R31 16.5k
R41 11.3k
LTC1068-200 8th Order Highpass, f
R21 10k
C23 [1/(2π • R23 • C23) = (160)(f
66.5k
4.99k
Maximum f
R53
R
L1
0.1µF
Attenuation – 60dB at (0.6)(f
FilterCAD Custom Inputs for f
CUTOFF
10
11
12
13
14
2nd ORDER SECTION
1
2
3
4
5
6
7
8
9
INV B
HPB/NB
BPB
LPB
NC
NC
SA
LPA
BPA
HPA/NA
INV A
SB
AGND
V
+
LTC1068-200
= 20kHz with ±5V Supplies
R
U
H1
R
H3
B
C
A
D
CUTOFF
11.8k
10k
HPB/NC
INV C
INV D
)]
HPD
BPC
CLK
LPD
BPD
LPC
SC
V
NC
NC
SD
–
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CENTER
CENTER
f
0.9407
1.0723
0.9088
0.9880
O
(kHz)
C
= f
).
= 1kHz
R24 20.5k
R34 14.3k
0.1µF
CLK
R44 21k
R22 21.5k
R32 10.2k
R42 18.7k
R
R
/200,
H2
L2
1.5964
0.5156
3.4293
0.7001
20.5k
249k
Q
1068 TA25
f
0.4212
0.2869
0.5815
0.0000
N
(kHz)
V
– 5V
200kHz
OUT
TYPE
HPN
HPN
HPN
HP
– 30
– 40
– 50
– 60
– 70
– 80
– 10
– 20
10
0
0.2
MODE
3a
3a
2b
3
Gain vs Frequency
FREQUENCY (kHz)
1
1068 TA26
1068fb
10