National Semiconductor LM102 LM302 Voltage Follower Data Sheet Manual User Guide
Summary
These high-performance operational amplifiers are designed specifically as voltage followers, guaranteeing exceptionally stable and reliable signal processing in circuits requiring unity-gain applications. Featuring ultra-low input bias current and high input impedance, they deliver fast slewing rates for robust system performance across wide temperature ranges. This comprehensive manual provides essential electrical characteristics, thermal ratings, and application guidelines necessary for electronics engineers designing critical power circuitry.
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LM102/LM302 Voltage Followers General Description
The LM102 series are high-gain operational amplifiers de- quency gain error. Because of the low wiring capacitances signed specifically for unity-gain voltage follower applica- inherent in monolithic construction, this fast operation can tions. Built on single silicon chip, the devices incorporate be realized without increasing power consumption.
advanced processing techniques to obtain very low input current and high input impedance. Further, the input transis- Features tors are operated at zero collector-base voltage to virtually
Fast slewing 10V/ms
eliminate high temperature leakage currents. It can there-
Low input current n A (max)
fore be operated in temperature stabilized component
High input resistance 10,000 MX
oven to get extremely low input currents and low offset volt-
No external frequency compensation required
age drift.
Simple offset balancing with optional k X
The LM102, which is designed to operate with supply volt-
potentiometer
ages between g12V and g15V, also features low input
Plug-in replacement for both the LM101 and LM709 in
capacitance as well as excellent small signal and large sig-
voltage follower applications
nal frequency responseÐall of which minimize high fre-
Schematic Diagram
TL/H/7753–1
C1995 National Semiconductor Corporation TL/H/7753 RRD-B30M115/Printed in U. S. A.
Page Summary Contents For National Semiconductor LM102 LM302 Voltage Follower Data Sheet Manual User Guide
Manual Details
| Brand | National |
|---|---|
| Pages | 6 |
| File Size | 193.25 KB |
| Published | May 29, 2026 |
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Frequently Asked Questions
What is the recommended source impedance for optimal operation?
The input must be driven from a source impedance of typically 10 kΩ (5 kΩ Min) to maintain stability.
How should I prevent damage when shorting the output?
Insert a resistor (at least 5k and preferably 10k) in series with the input pin to ensure stability and prevent damage.
Can this amplifier operate at extreme temperatures?
The absolute maximum ratings show operating temperature ranges specific to the model (e.g., LM102 is up to 125°C).
Does external compensation frequency adjustment need to be done?
No, no external frequency compensation is required.