LMH6550MA

Instrumentation, Op Amps, Buffer Amps Overview

The LMH6550MA/NOPB is a single-channel, high-speed voltage feedback operational amplifier manufactured by Texas Instruments. It features a gain-bandwidth product of 400 MHz and a slew rate of 3 kV/µs. The device operates on a supply voltage range of 4.5 V to 12 V with a typical quiescent current of 19 mA per channel. It provides an output current capability of 70 mA and exhibits low input offset voltage of 4 mV and input bias current of 16 µA. Key noise specifications include 6 nV/√Hz voltage noise density and 1.5 pA/√Hz current noise density. The component offers a common-mode rejection ratio of 80 dB and power supply rejection ratio of 72 dB. It is housed in an 8-SOIC package and supports an operating temperature range from -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Delivers high-speed signal processing capabilities through a 400 MHz gain-bandwidth product and rapid 3 kV/µs slew rate for precise waveform reproduction.
• Provides robust drive performance with 70 mA output current capability suitable for demanding load conditions.
• Maintains signal integrity via low input offset voltage and minimal input bias current characteristics.

Instrumentation, Op Amps, Buffer Amps Applications

• High-frequency video buffering and signal conditioning
• Precision data acquisition systems requiring fast settling times
• RF and IF amplification stages

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the complete part number includes the /NOPB suffix to ensure compliance with RoHS standards and lead-free manufacturing processes. Confirm the SOIC-8 package variant matches your PCB footprint requirements. Check the specific datasheet revision for any updates regarding electrical characteristics or recommended operating conditions before finalizing procurement specifications.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when application requirements demand high bandwidth and fast transient response within a single-supply or dual-supply configuration. Consider the 70 mA output drive capability if driving low-impedance loads directly. Evaluate the 400 MHz bandwidth against system frequency needs to ensure adequate phase margin and stability margins are maintained under expected loading conditions.

Instrumentation, Op Amps, Buffer Amps Part Context

This device belongs to the LMH6550 series of high-speed operational amplifiers designed for demanding analog signal processing tasks. It serves as a differential output amplifier option within Texas Instruments' portfolio, offering balanced signal paths for noise reduction. The series is engineered for applications where speed and accuracy are critical constraints in circuit design.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LMH6550MAX/NOPB is a direct replacement variant available in tape-and-reel packaging instead of tube packaging. Verify that the change in reel quantity does not impact existing assembly line handling procedures or inventory management systems before switching suppliers.