LTC2051/LTC2052 Dual/Quad Zero-Drift Operational Amplifiers ...
LTC2051/LTC2052 Dual/Quad Zero-Drift Operational Amplifiers ...
LTC2051/LTC2052 Dual/Quad Zero-Drift Operational Amplifiers ...
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<strong>LTC2051</strong>/<strong>LTC2052</strong><br />
TYPICAL APPLICATIO<br />
U<br />
Paralleling <strong>Amplifiers</strong> to Improve Noise<br />
R2<br />
R1<br />
2<br />
3<br />
–<br />
1/4 <strong>LTC2052</strong><br />
+<br />
1<br />
R<br />
R<br />
R2<br />
5V<br />
R1 6<br />
V IN –<br />
7 R 13 4<br />
1/4 <strong>LTC2052</strong><br />
–<br />
5<br />
1/4 <strong>LTC2052</strong><br />
12<br />
R1 9<br />
10<br />
+<br />
–<br />
+<br />
R2<br />
1/4 <strong>LTC2052</strong><br />
8 R<br />
+<br />
11<br />
–5V<br />
0.1μF<br />
14<br />
0.1μF<br />
V OUT<br />
V OUT R2<br />
NOISE OF EACH PARALLEL OP AMP<br />
= 3 ; INPUT DC – 10Hz NOISE ≅ 0.8μV<br />
V P-P =<br />
IN R1<br />
√3<br />
20512 F02<br />
RELATED PARTS<br />
PART NUMBER DESCRIPTION COMMENTS<br />
LTC1051/LTC1053 Precision <strong>Zero</strong>-<strong>Drift</strong> Op Amp <strong>Dual</strong>/<strong>Quad</strong><br />
LTC1151 ±15V <strong>Zero</strong>-<strong>Drift</strong> Op Amp <strong>Dual</strong> High Voltage Operation ±18V<br />
LTC1152 Rail-to-Rail Input and Output <strong>Zero</strong>-<strong>Drift</strong> Op Amp Single <strong>Zero</strong>-<strong>Drift</strong> Op Amp with Rail-to-Rail Input and Output and Shutdown<br />
LTC2050 <strong>Zero</strong>-<strong>Drift</strong> Op Amp in SOT-23 Single Supply Operation 2.7V to ±5V, Shutdown<br />
LTC2053 <strong>Zero</strong>-<strong>Drift</strong> Precision Instrumentation Amp MS8, 116dB CMRR, Two External Resistors Set Gain<br />
LTC6800 Rail-to-Rail Input and Output Instrumentation Amp Low Cost, MS8, Two External Resistors Set Gain<br />
12<br />
Linear Technology Corporation<br />
1630 McCarthy Blvd., Milpitas, CA 95035-7417<br />
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com<br />
20512fc<br />
LT/CGRAFX 0407 REV C • PRINTED IN USA<br />
© LINEAR TECHNOLOGY CORPORATION 2000
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