LTC1562 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1562' PDF : 28 Pages View PDF
LTC1562
TYPICAL APPLICATIONS (Basic)
8th Order Bandpass (High Frequency) Filter
– 3dB Bandwidth = Center F1r0equency, Gain = 10
RIN1
VIN
V+
0.1µF
RIN2
1
20
INV B
INV C
RQ1
2
19
V1 B
V1 C
R21
3
V2 B
18
V2 C
5 V+ LTC1562 V– 16
6
SHDN
15
AGND
R23
8
V2 A
13
V2 D
9
12
V1 A
V1 D
RQ3
10
11
INV A
INV D
RIN4
RIN3
RQ2
R22
0.1µF
R24
RQ4
SCHEMATIC INCLUDES PIN NUMBERS FOR 20-PIN PACKAGE.
PINS 4, 7, 14, 17 (NOT SHOWN) ALSO CONNECT TO V –
V–
VOUT
1562 TA08a
Amplitude Response
30
fCENTER = 100kHz
20
10
0
– 10
– 20
– 30
– 40
– 50
– 60
– 70
40 60 80 100 120 140 160 180
FREQUENCY (kHz)
1562 TA08b
8th Order Bandpass Filter
– 3dB BW = fCE1N0TER, Gain = 10
Side B
RIN1
RQ1
R21
Sides A, C, D
RIN2, RIN3, RIN4
RQ2, RQ3, RQ4
R22, R23, R24
All resistor values are ±1%
fCENTER
80kHz
4.64k
46.4k
12.4k
46.4k
46.4k
12.4k
fCENTER
90kHz
5.23k
52.3k
15.4k
52.3k
52.3k
15.4k
fCENTER
100kHz
6.34k
42.2k
10.0k
42.2k
42.2k
10.0k
fCENTER
110kHz
5.11k
38.3k
8.25k
38.3k
38.3k
8.25k
fCENTER
120kHz
5.11k
34.8k
6.98k
34.8k
34.8k
6.98k
fCENTER
130kHz
5.49k
32.4k
5.9k
32.4k
32.4k
5.90k
fCENTER
140kHz
5.62k
30.1k
5.11k
30.1k
30.1k
5.11k
18
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