LMC6442AIM/NOPB

Instrumentation, Op Amps, Buffer Amps Overview

The LMC6442AIM/NOPB is a dual micropower rail-to-rail single supply operational amplifier manufactured by Texas Instruments. It features a gain-bandwidth product of 10 kHz and a slew rate of 4.1 mV/us. The device operates on a power supply voltage ranging from 1.8 V to 11 V with a typical operating supply current of 1.9 uA per channel. Key electrical specifications include an input offset voltage of 4 mV, input bias current of 4 pA, common-mode rejection ratio of 105 dB, and input voltage noise density of 170 nV/sqrt Hz. It supports an output current of 2.1 mA per channel and is housed in an SOIC-8 surface-mount package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Dual-channel micropower operational amplifier architecture designed for low energy consumption applications
• Rail-to-rail input and output capability enabling full signal swing across the supply range
• Single-supply operation supporting low-voltage systems starting at 1.8 V

Instrumentation, Op Amps, Buffer Amps Applications

• Battery-powered portable instrumentation
• Low-power sensor signal conditioning
• Active filtering in resource-constrained embedded systems

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the specific suffix NOPB indicates lead-free compliance and RoHS adherence when sourcing. Confirm the AIM variant meets industrial temperature range requirements if applicable. Ensure the SOIC-8 footprint matches the target PCB layout constraints. Cross-reference the manufacturer datasheet for latest revision status before finalizing procurement orders.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when ultra-low quiescent current is critical alongside basic amplification needs. The 10 kHz bandwidth limits high-speed applications but suits precision DC or low-frequency AC tasks. Consider the 4 pA bias current for high-impedance source interfacing. Evaluate the 1.8 V minimum supply against system battery discharge curves to ensure adequate headroom throughout operation.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LMC644x family of CMOS operational amplifiers from Texas Instruments. It shares architectural similarities with other members like the LMC644x series, focusing on micropower performance. The device complements higher-speed op-amps by offering significantly lower power dissipation at the expense of bandwidth.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

Direct pin-compatible replacements within the same family include the LMC6442AIN/NOPB for dip packaging variants. Verify functional equivalence regarding rail-to-rail characteristics and bias currents when substituting.