LMH6645MAX/NOPB

Instrumentation, Op Amps, Buffer Amps Overview

The LMH6645MAX/NOPB is a single-channel operational amplifier manufactured by Texas Instruments. It operates on a supply voltage range of 2.7V to 12V with a quiescent current of 650µA per channel. The device features a gain bandwidth product of 55MHz and a slew rate of 38V/µs. Input and output stages are rail-to-rail, supporting low-voltage applications. Key electrical parameters include an input offset voltage of 3mV, input bias current of 2µA, common-mode rejection ratio of 85dB, and power supply rejection ratio of 75dB. It is housed in an SOIC-8 package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail input and output capability for maximum dynamic range
• Integrated shutdown option for extended battery life
• Low power consumption suitable for portable devices

Instrumentation, Op Amps, Buffer Amps Applications

• Portable instrumentation
• Battery-powered equipment
• Active filters

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the component marking against the official datasheet to confirm authenticity. Ensure the suffix NOPB indicates lead-free and RoHS compliance as specified by Texas Instruments. Check the package type matches the required SOIC-8 footprint for PCB integration. Confirm the temperature grade aligns with system requirements before finalizing procurement orders.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a single-channel amplifier with rail-to-rail performance is required under low power constraints. The integrated shutdown feature distinguishes it from standard variants like the LMH6642. Consider the 55MHz bandwidth and 650µA current draw for applications prioritizing energy efficiency over high-speed signal processing capabilities.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LMH664x family of low-power, rail-to-rail operational amplifiers. It serves as the single-channel variant within this series, complementing dual-channel options such as the LMH6644. The MAX suffix denotes the industrial temperature range and SOIC-8 packaging format provided by Texas Instruments.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

• LMH6642MAX/NOPB
• LMH6644MAX/NOPB

Instrumentation, Op Amps, Buffer Amps FAQ

Does the LMH6645MAX/NOPB support a shutdown mode?

Yes, the device includes a dedicated shutdown pin that reduces quiescent current significantly when activated.

What is the input and output voltage range?

Both the input and output stages are rail-to-rail, allowing operation close to the positive and negative supply rails.