National Semiconductor LM3080 Operational Transconductance Amplifier Data Sheet
Summary
The LM3080 is a high-performance programmable transconductance operational amplifier designed for sophisticated variable gain circuitry. Its fully adjustable gain (0 to g), combined with excellent slew rate and differential inputs, makes it ideal for complex applications such as signal filtering, multiplexing, sample and hold circuits, and multiplying. This manual provides comprehensive technical specifications, electrical characteristics, absolute maximum ratings, and application details necessary for designing adaptive and variable-gain electronic systems. It is essential reading for engineers requiring precise control over transconductance in demanding analog designs.
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LM3080 Operational Transconductance Amplifier General Description Features
The LM3080 is programmable transconductance block in- Slew rate (unity gain compensated): V/ms
tended to fulfill wide variety of variable gain applications. Fully adjustable gain: to gm RL limit The LM3080 has differential inputs and high impedance Extended gm linearity: decades push-pull outputs. The device has high input impedance and Flexible supply voltage range: g2V to g18V its transconductance (gm) is directly proportional to the am-
Adjustable power consumption
plifier bias current (IABC). High slew rate together with programmable gain make the LM3080 an ideal choice for variable gain applications such as sample and hold, multiplexing, filtering, and multiplying. The LM3080N and LM3080AN are guaranteed from 0§C to a70§C.
Schematic and Connection Diagrams
TL/H/7148–1
Dual-In-Line Package
TL/H/7148–2
Order Number LM3080AN, LM3080M or LM3080N See NS Package Number M08A or N08E
C1995 National Semiconductor Corporation TL/H/7148 RRD-B30M115/Printed in U. S. A.
Page Summary Contents For National Semiconductor LM3080 Operational Transconductance Amplifier Data Sheet
Manual Details
| Brand | National |
|---|---|
| Pages | 6 |
| File Size | 188.83 KB |
| Published | July 22, 2026 |
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Frequently Asked Questions
What are the primary variable gain applications for the LM3080 amplifier?
It is ideal for applications such as sample and hold, multiplexing, filtering, and multiplying.
What is the operational temperature range for this device?
The specified operating temperature range provided by the models LM3080N or LM3080AN is from 0°C to 70°C.
How wide is the flexible supply voltage range?
The device supports a flexible supply voltage range spanning from $2 ext{ V}$ to $18 ext{ V}$.
What is the slew rate when unity gain compensated?
The stated slew rate for the LM3080 is $50 ext{ V/ms}$.
Can this device be used in critical life support systems?
No, National Semiconductor states that these products are not authorized for use as critical components in life support devices without express written approval.