LM7121IM5

Instrumentation, Op Amps, Buffer Amps Overview

The LM7121IM5 is a voltage feedback operational amplifier manufactured by National Semiconductor. It features a bandwidth of 175 MHz and a maximum input offset voltage of 15000 uV. The device operates within a temperature range of -40°C to 85°C and utilizes an 8-terminal PDSO8 package with a 1.27 mm pitch. Rated supply voltages are +15 V and -15 V, with a typical slew rate of 1300 V/us.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Voltage feedback architecture designed for high-speed signal processing applications
• Compact surface-mount packaging suitable for space-constrained circuit designs
• Industrial temperature rating ensuring reliable operation in varying environmental conditions

Instrumentation, Op Amps, Buffer Amps Applications

• High-frequency signal conditioning circuits
• Video signal amplification systems
• Precision measurement instrumentation

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the manufacturer designation as National Semiconductor or Texas Instruments depending on the production era. Confirm the specific suffix IM5 corresponds to the intended package variant. Ensure compatibility with existing PCB footprints before procurement. Check for RoHS compliance status if required by current assembly standards.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a small form factor is required alongside moderate bandwidth performance. Consider the trade-off between the 175 MHz bandwidth and power consumption relative to higher-speed alternatives. Evaluate the input offset voltage specifications against the precision requirements of the target application circuit.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LM7121 family of tiny low-power voltage feedback amplifiers. Originally developed by National Semiconductor, the product line was integrated into Texas Instruments' portfolio following corporate acquisition. The series targets applications requiring compact solutions without significant sacrifice in speed.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers include LM7121IM/NOPB from Texas Instruments.