LTC6240/LTC6241/LTC6242
32
624012fe
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2005
LT 0710 REV E • PRINTED IN USA
PART NUMBER DESCRIPTION COMMENTS
LTC1151 ±15V Zero-Drift Op Amp Dual High Voltage Operation ±18V
LT1792 Low Noise Precision JFET Op Amp 6nV/√Hz Noise, ±15V Operation
LTC2050 Zero-Drift Op Amp 2.7 Volt Operation, SOT-23
LTC2051/LTC2052 Dual/Quad Zero-Drift Op Amp Dual/Quad Version of LTC2050 in MS8/GN16 Packages
LTC2054/LTC2055 Single/Dual Zero-Drift Op Amp Micropower Version of the LTC2050/LTC2051 in SOT-23 and DD Packages
LTC6244 Dual 50MHz Rail-to-Rail Op Amp 100µV V
OS(MAX)
, 1pA I
BIAS
, 40V/µV, Slew Rate
Figure 15. Ultralow Noise 1MΩ 150kHz Photodiode Amplifi er
LTC6241 Output Noise Spectrum. 1MΩ Resistor Noise
Dominates; Ideal Performance
Competition Output Noise Spectrum. Op Amp Noise Dominates;
Performance Compromised
RELATED PARTS
TYPICAL APPLICATION
R2
1.69k
C3
180pF
C1
1500pF
+1.5V
–1.5V
–1.5V
SFH213FA
OR EQUIVALENT
(≤4pF)
6241 TA02a
R
F
1M
R1
866Ω
–
+
1/2
LTC6241
–
+
1/2
LTC6241
C2
1500pF
C
F
1pF
1MΩ TIA
150kHz 3RD ORDER BUTTERWORTH FILTER
R3
2k
1kHz 101kHz10kHz/DIV
6241 TA02b
0V
30nV/√Hz PER DIV
1kHz 101kHz
6241 TA02c
10kHz/DIV
0V
30nV/√Hz PER DIV
