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LF355 Datasheet(PDF) 17 Page - Texas Instruments

Part # LF355
Description  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) 17 Page - Texas Instruments

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LF155, LF156, LF355, LF356, LF357
www.ti.com
SNOSBH0C – MAY 2000 – REVISED MARCH 2013
Figure 44. Fast Logarithmic Converter
•
Dynamic range: 100
μA ≤ Ii ≤ 1mA (5 decades), |VO| = 1V/decade
•
Transient response: 3
μs for ΔIi = 1 decade
•
C1, C2, R2, R3: added dynamic compensation
•
VOS adjust the LF156 to minimize quiescent error
•
RT: Tel Labs type Q81 + 0.3%/°C
Figure 45. Precision Current Monitor
•
VO = 5 R1/R2 (V/mA of IS)
•
R1, R2, R3: 0.1% resistors
•
Use LF155 for
–
Common-mode range to supply range
–
Low IB
–
Low VOS
–
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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