The LM7171AMWG-QML from National Semiconductor (now Texas Instruments) is a high-speed, low-distortion operational amplifier designed for military, aerospace, and high-reliability applications. This radiation-hardened op-amp delivers exceptional bandwidth and slew rate, making it ideal for high-speed signal processing, ADC buffering, and video amplification.
Key Features & Benefits:
✔ Ultra-High Slew Rate:
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4100V/µs for rapid response in high-speed applications
✔ Wide Bandwidth:
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200 MHz (gain of +2) ensures superior signal fidelity
✔ Low Distortion & Low Noise:
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THD+N of -80 dBc minimizes signal degradation
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Input noise voltage of 2.9 nV/√Hz for clean signal amplification
✔ High Output Drive Capability:
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Delivers 100mA output current, suitable for low-impedance loads
✔ Military-Grade QML Certification:
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Radiation-hardened for use in space and defense applications
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Available in hermetic ceramic packaging for extreme environments
Technical Specifications:
| Parameter | Value |
|---|---|
| Slew Rate | 4100 V/µs |
| Gain Bandwidth Product | 200 MHz |
| THD+N | -80 dBc |
| Output Current | 100 mA |
| Input Offset Voltage | 0.5 mV (typical) |
| Input Noise Voltage | 2.9 nV/√Hz |
| Supply Voltage Range | ±5V to ±15V |
| Package | Hermetic Ceramic, QML Compliant |
Applications & Use Cases:
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Military & Aerospace Electronics – Radiation-hardened design ensures reliability
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High-Speed Signal Processing – Ideal for ADC buffering & precision amplifications
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Video & RF Amplification – Handles high-frequency signals with minimal distortion
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Test & Measurement Equipment – Used in oscilloscopes and high-speed data systems
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Medical Imaging – Suitable for ultrasound and MRI signal processing
Why Choose the LM7171AMWG-QML?
✔ Exceptional speed and precision for high-performance applications
✔ Radiation-hardened & QML-certified for aerospace and defense use
✔ Ultra-low noise & distortion for clean, high-fidelity signal processing
✔ Robust output drive for handling demanding loads



