LT2178 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT2178 Datasheet PDF : 12 Pages
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LT2178/LT 2179
TYPICAL APPLICATION
Single Supply, 1kHz, 4th Order Butterworth Lowpass Filter
C1
1000pF
C2
1000pF
R1
301k
1000pF
VIN
–
1/4
LT2179
+
R2
86k
–
1/4
LT2179
+
121k
–
1/4
LT2179
1000pF
221k
–
301k
+
1/4
LT2179
VOUT
+
50k
3.3V
+
50k
1µF
12-BIT ACCURATE SIGNAL RANGE FROM 6mV TO 1.8V ON 3.3V SINGLE SUPPLY.
MAXIMUM OUTPUT OFFSET ERROR IS 448µV.
FOR EACH 2ND ORDER SECTION:
WO2
=
1
C1C2R1R2
R1 =
1
WOQC1
R2 = Q
WOC2
121k
2178/79 TA04
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
0.1
1
FREQUENCY (kHz)
10
LT2178/79 • TA05
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Surface Mount Standard Pinout
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q TELEX: 499-3977
LT/GP 1196 7K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1996
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