LM7121IM

Instrumentation, Op Amps, Buffer Amps Overview

The LM7121IM is a voltage feedback operational amplifier manufactured by Texas Instruments. It features a gain-bandwidth product of 235 MHz and a slew rate of 1300 V/µs. The device operates within a supply voltage range of ±5 V to ±15 V, consuming 5 mA of supply current per channel. It offers an output current capability of 220 mA and maintains an input offset voltage maximum of 15 mV. The component is housed in an 8-pin Small Outline Package (SOP-8) with a width of 0.150 inches.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• High-speed voltage feedback architecture supporting wide bandwidth applications
• Low power consumption design suitable for battery-operated systems
• Robust output drive capability for demanding load conditions

Instrumentation, Op Amps, Buffer Amps Applications

• Video signal processing circuits
• High-speed data acquisition systems
• RF and IF amplification stages

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix designation against the manufacturer's latest documentation to ensure compatibility with required packaging or temperature grades. Confirm that the active status aligns with long-term availability requirements for production designs. Cross-reference pinouts with legacy National Semiconductor specifications if integrating into existing boards.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when high slew rate and wide bandwidth are critical alongside low power constraints. Evaluate thermal performance within the SOP-8 package for the intended application environment. Ensure supply voltage limits accommodate the system's rail voltages without exceeding absolute maximum ratings.

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 and continued by Texas Instruments. The series is designed to provide high-speed performance in compact packages, bridging the gap between general-purpose op-amps and specialized RF amplifiers.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Public confirmed substitute part numbers include LM7121IM/NOPB.