LT1782
TYPICAL APPLICATIONS
Current Source
VCC
LT1634-1.25 |
R1 |
+ |
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LT1782 |
2N3906 |
– |
IOUT = 1.25V |
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R1 |
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1782 TA04 |
Programmable Gain, AV = 2, AV = 20, 100kHz Amplifier
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VCC |
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AV = 20 |
AV = 2 |
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SHDN |
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VCC |
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IN |
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+ |
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SHDN |
VCC |
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LT1784 |
OUT |
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– |
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+ |
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VEE |
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LT1782 |
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– |
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( |
R1 + R2 |
) |
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VEE |
AV |
= 1+ |
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R3 |
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R2 |
R1 |
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1+( |
R1 |
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9.09k |
10k |
OR |
R2 + R3 ) |
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R3 |
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1782 TA05 |
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1k |
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Programmable Gain Amplifier Frequency Response
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30 |
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25 |
AV = 20 |
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20 |
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15 |
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(dB) |
10 |
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5 |
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GAIN |
AV = 2 |
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0 |
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–5 |
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–10 |
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–15 |
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–20 1k |
10k |
100k |
1M |
10M |
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FREQUENCY (Hz) |
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1782 TA06
RELATED PARTS
PART NUMBER |
DESCRIPTION |
COMMENTS |
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LT1783 |
Micropower Over-The-Top SOT-23 Rail-to-Rail Input and |
SOT-23 Package, Micropower 210µA per Amplifier, Rail-to-Rail Input and |
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Output Op Amp |
Output, 1.25MHz GBW |
LT1490/LT1491 |
Dual/Quad Over-The-Top Micropower Rail-to-Rail Input |
Single Supply Input Range: –0.4V to 44V, Micropower 50µA per Amplifier, |
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and Output Op Amps |
Rail-to-Rail Input and Output , 200kHz GBW |
LT1636 |
Single Over-The-Top Micropower Rail-to-Rail Input |
55µA Supply Current, VCM Extends 44V Above VEE, Independent of VCC, |
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and Output Op Amp |
MSOP Package, Shutdown Function |
LT1638/LT1639 |
Dual/Quad, 1.2MHz, 0.4V/µs, Over-The-Top Micropower |
170mA Supply Current, Single Supply Input Range: –0.4V to 44V, |
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Rail-to-Rail Input and Output Op Amps |
Rail-to-Rail Input and Output |
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1782fc |
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Linear Technology Corporation |
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16 |
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LT 1010 REV C • PRINTED IN USA |
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1630 McCarthy Blvd., Milpitas, CA 95035-7417 |
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(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com |
LINEAR TECHNOLOGY CORPORATION 1999 |
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