LMH6551MM/NOPB

Instrumentation, Op Amps, Buffer Amps Overview

The LMH6551MM/NOPB is a single-channel, high-speed voltage feedback operational amplifier manufactured by Texas Instruments. It features a gain-bandwidth product of 370 MHz and a slew rate of 2.4 kV/µs. The device operates on a supply voltage range of 3 V to 12 V with an operating supply current of 11.5 mA. Key electrical parameters include an input offset voltage of 4 mV, input bias current of 4 µA, common-mode rejection ratio of 78 dB, and input voltage noise density of 6 nV/√Hz. It provides an output current of 60 mA per channel and is housed in an 8-pin VSSOP package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Provides differential output capability for high-speed signal processing applications.
• Delivers high slew rate performance suitable for demanding video and RF circuits.
• Operates within a wide single-supply voltage range from 3 V to 12 V.

Instrumentation, Op Amps, Buffer Amps Applications

• High-speed video buffering and driving
• RF signal conditioning circuits
• Test and measurement equipment front-ends

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix MM against the official datasheet to confirm the VSSOP-8 package type and temperature range. Ensure the NOPB designation confirms RoHS compliance and absence of lead-based materials as per manufacturer standards. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and traceability before procurement.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a single-channel differential output is required alongside moderate bandwidth needs around 370 MHz. Consider the 11.5 mA supply current for power-sensitive designs compared to higher consumption alternatives. Evaluate the VSSOP-8 footprint constraints against available PCB real estate and thermal dissipation requirements for surface-mount assembly.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the LMH6551 family of high-speed operational amplifiers designed for video and broadband applications. It serves as a differential output variant within the series, offering balanced signal handling capabilities. The component is engineered to maintain signal integrity in high-frequency environments while providing robust drive strength for downstream stages.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LMH6551MAX/NOPB is a direct pin-compatible alternative featuring an 8-SOIC package instead of VSSOP. Verify package dimensions and thermal characteristics before substitution to ensure mechanical fit within the existing design constraints.