16
LTC1050
1050fb
LINEAR TECHNOLOGY CORPORATION 1991
LW/TP 0802 1K • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC1051 Dual Zero-Drift Op Amp’s Dual Version of the LTC1050
LTC2050 Zero-Drift Op Amp SOT-23 Package
LTC2051 Zero-Drift Op Amp’s Dual Version of the LTC2050 in an MS8 Package
LTC2053 Zero-Drift Instrumentation Amp 110dB CMRR, MS8 Package, Gain Programmable
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
U
SA
O
PP
L
IC
AT
ITY
P
I
CA
L
DC Accurate 10th Order Max Flat Lowpass Filter
–
+
LTC1050
7
2
3
4
–5V
5V
6
V
OUT
(DC ACCURATE)
1050 TA19
8
7
6
5
1
2
3
4
C
C
0.1µF 0.1µF
5V–5V
V
IN
LTC1062
8
7
6
5
1
2
3
4
C
R
5V
f
CLK
–5V
LTC1062
R
0.12R
• 60dB/OCT. SLOPE
• PASSBAND ERROR <0.1dB FOR 0 ≤ f ≤ 0.67f
CUTOFF
• THD = 0.04%, WIDEBAND NOISE = 120µV
RMS
• f
CLK
≅ 100kHz
f
CLK
100
• f
CUTOFF
= 0.9
()
0.2244
f
CUTOFF
• RC =
DC Accurate, Noninverting 2nd Order Lowpass Filter
–
+
LTC1050
7
2
3
4
C2
1050 TA20
5V
–5V
6
V
OUT
V
IN
C1
R2
R3
R4
Q = 0.707, f
C
= 20Hz. FOR f
C
= 10Hz, THE RESISTOR (R1, R2) VALUES SHOULD BE DOUBLED
R1
COMPONENT VALUES
DC GAIN
1
2
4
6
8
10
R3
∞
10k
10.5k
10.2k
10.2k
10.1k
R4
0
10k
31.6k
51.1k
71.5k
90.9k
R1
32.4k
11.8k
18.7k
14k
11.8k
10.5k
R2
18.7k
24.3k
34.8k
46.4k
54.9k
61.9k
C1
0.47µF
0.47µF
0.22µF
0.22µF
0.22µF
0.22µF
C2
0.22µF
0.47µF
0.47µF
0.47µF
0.47µF
0.47µF
Gain of 1, 10Hz 3rd Order Bessel DC Accurate Lowpass Filter
–
+
LTC1050
7
2
3
4
C2
0.22µF
C1
0.47µF
1050 TA21
5V
–5V
6
C3
2µF
R2
24.3k
R1
47.5k
R3
5.9k
