LM7171NAB/EM

Instrumentation, Op Amps, Buffer Amps Overview

The LM7171NAB/EM is a high-speed voltage feedback amplifier manufactured by Texas Instruments, designed for demanding signal processing applications. It combines the ease of use of voltage feedback topology with the high slew rate characteristics typically found in current feedback amplifiers. The device operates stably at gains as low as +2 or -1 and supports supply voltages ranging from ±5V to ±15V. Key electrical specifications include a unity-gain bandwidth of 200 MHz, a typical slew rate of 4100 V/µs, and a supply current consumption of 6.5 mA. It features an output current capability of 100 mA and is available with radiation guarantees, including a total ionizing dose rating of 300 Krad(Si) without enhanced low-dose-rate sensitivity.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Combines voltage feedback topology stability with high slew rate performance suitable for traditional op-amp configurations.
• Capable of driving heavy loads with high output current, supporting video distribution and transformer driving tasks.
• Radiation-hardened design ensuring reliability in space environments with guaranteed total ionizing dose tolerance.

Instrumentation, Op Amps, Buffer Amps Applications

• HDSL and ADSL Drivers
• Multimedia Broadcast Systems
• Professional Video Cameras
• Video Amplifiers
• CATV/Fiber Optics Signal Processing

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify that the specific ordering suffix matches the required package type and radiation qualification level. Confirm that the component meets MIL-STD-883 standards if radiation hardness is critical for the intended deployment environment. Ensure compatibility with the system's thermal management requirements given the power dissipation characteristics of the selected package variant.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this amplifier when high-speed signal integrity is required alongside robust drive capabilities. It is suitable for designs needing stable operation at low closed-loop gains. Consider the specific package thermal resistance when determining heat sinking needs, as power dissipation limits vary between CDIP and CFP options. Verify input capacitance compensation requirements for high-frequency stability.

Instrumentation, Op Amps, Buffer Amps Part Context

This component belongs to the LM7171 family of very high-speed amplifiers. It utilizes Texas Instruments' VIP III complementary bipolar process technology. The device is distinct from standard operational amplifiers due to its unique slewing behavior derived from its internal class AB input stage architecture.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LM7171QML

Instrumentation, Op Amps, Buffer Amps FAQ

Is the LM7171 stable at unity gain?

No, the LM7171 is specified to be stable only for gains as low as +2 or -1. It may oscillate if configured for unity gain.

What is the radiation tolerance of this device?

The device is available with a radiation guarantee, specifically a Total Ionizing Dose rating of 300 Krad(Si) and is free from Enhanced Low Dose Rate Sensitivity (ELDRS).