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LF355 Datasheet(PDF) 23 Page - Texas Instruments

Part # LF355
Description  LF155/LF156/LF256/LF257/LF355/LF356/LF357 JFET Input Operational Amplifiers
PDF  32 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LF355 Datasheet(HTML) 23 Page - Texas Instruments

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LF155, LF156, LF355, LF356, LF357
www.ti.com
SNOSBH0C – MAY 2000 – REVISED MARCH 2013
Figure 57. High Q Band Pass Filter
•
By adding positive feedback (R2)
•
Q increases to 40
•
fBP = 100 kHz
•
Clean layout recommended
•
Response to a 1Vp-p tone burst: 300
μs
Figure 58. High Q Notch Filter
•
2R1 = R = 10M
Ω
–
2C = C1 = 300pF
•
Capacitors should be matched to obtain high Q
•
fNOTCH = 120 Hz, notch = −55 dB, Q > 100
•
Use LF155 for
–
Low IB
–
Low supply current
Copyright © 2000–2013, Texas Instruments Incorporated
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Product Folder Links: LF155 LF156 LF355 LF356 LF357



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