LMC6484AIN

Instrumentation, Op Amps, Buffer Amps Overview

The LMC6484AIN is a quad-channel CMOS operational amplifier manufactured by Texas Instruments. It features rail-to-rail input and output capabilities, ensuring maximum dynamic signal range in single-supply systems. The device operates on a typical supply voltage of 5 to 15 V with a gain-bandwidth product of 1.5 MHz and a slew rate of 1.3 V/µs. It exhibits a typical voltage gain of 116.5 dB and an input voltage noise density of 37 nV/√Hz. Packaged in a 14-pin SOIC format measuring 8.64 x 3.91 x 1.45 mm, it supports an operating temperature range from -40°C to +85°C.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail input and output performance for extended common-mode range
• Ultra-low input bias current suitable for high-impedance circuits
• High voltage gain and excellent CMRR/PSRR characteristics
• Low power consumption optimized for battery-operated applications

Instrumentation, Op Amps, Buffer Amps Applications

• Data acquisition systems
• Sensor amplifiers
• Handheld analytical instruments
• Medical instrumentation
• Active filters and peak detectors

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify the package type matches the required PCB footprint, as the 'A' suffix typically denotes a specific package variant such as PDIP or SOIC depending on the manufacturer's coding. Confirm the channel count corresponds to the quad configuration. Ensure the operating temperature range meets the environmental requirements of the target application. Cross-reference the datasheet revision to ensure compatibility with existing design parameters.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component when a quad-channel solution with rail-to-rail I/O is required for low-power applications. It serves as a direct upgrade for legacy parts like TLC274 or TLC277, offering superior common-mode range. Consider the 1.5 MHz bandwidth and 1.3 V/µs slew rate for moderate-speed signal processing tasks. Verify that the 14-pin package fits within the available board space constraints.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LMC648x family of ultra-low bias current CMOS operational amplifiers. It shares core electrical specifications with the dual-channel LMC6482 but provides four independent amplifiers in a single package. The family is designed for precision applications requiring minimal loading on high-impedance sources. It complements other TI op-amps by offering a balance of speed, accuracy, and power efficiency.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LMC6482IM: Dual-channel version with identical electrical specs. LMC6484AIM: Quad-channel version in SOIC-14 package. TLC274/TLC277: Legacy alternatives with limited common-mode range.