Texas Instruments LMH6642MAX/NOPB

Mfr. Part

LMH6642MAX/NOPB

Manufacturer

Texas Instruments (formerly National Semiconductor family; listed by TI and Luminary Micro/TI)

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Detailed Description

High-speed, single-channel voltage-feedback operational amplifier with rail-to-rail output in an 8-SOIC package. Wide supply range from 2.7 V to 12.8 V, low supply current, strong output drive, and low input offset. Optimized for fast signal conditioning, buffering, and precision amplification in space- and power-constrained designs

Key Features

Single op amp, voltage-feedback architecture

Rail-to-rail output swing for maximum dynamic range on low supplies

130 MHz typical small-signal -3 dB bandwidth

135 V/µs typical slew rate for clean, fast edges

2.7 mA typical supply current for low power

75 mA typical output drive per channel for heavy loads

Low input offset voltage around 1 mV typical for better accuracy

Wide supply span 2.7 V to 12.8 V (single supply) or ±1.35 V to ±6.4 V (split)

Industrial temperature range -40°C to 85°C

RoHS3 compliant and lead-free (NOPB)

Key Advantages

Fast and clean response enables high-resolution, high-speed signal paths

Rail-to-rail output maximizes usable output range on low-voltage rails

Strong output drive easily handles low-impedance loads and long traces

Low power consumption helps reduce heat and extend battery life

Low offset and bias improve precision in DC and low-signal-level applications

Flexible supply range simplifies use across multiple system rails

Packaging

Type: 8-SOIC, surface-mount, Tape & Reel for automated assembly (TR)

Body width: 3.90 mm nominal (0.154 in)

Lead pitch: 1.27 mm typical for SOIC-8

Material: Molded epoxy body with lead-free, RoHS-compliant terminations

Pin configuration: Standard single op amp in SOIC-8 format. Refer to the datasheet for the exact pinout and enable/NC functions if any

Thermal characteristics: SOIC-8 thermal performance depends on PCB copper and airflow. Refer to the datasheet for thermal resistance, power dissipation, and derating guidelines

Electrical properties (summary):

• Supply range 2.7 V to 12.8 V

• -3 dB bandwidth 130 MHz (typ)

• Slew rate 135 V/µs (typ)

• Output drive 75 mA (typ)

• Input offset ~1 mV (typ)

• Input bias current ~1.6 µA (typ, see datasheet for conditions)

Lifecycle

Status: Active, not near discontinuation based on current public information

Family equivalents: Same-family multi-channel options for density matching

• LMH6643 (dual-channel version)

• LMH6644 (quad-channel version)

Potential alternatives (application dependent, verify specs and pinout):

• TI high-speed, rail-to-rail output singles such as OPA354/OPA355/OPA356 series, LMH665x family. These are not drop-in replacements; validate bandwidth, noise, supply range, stability, and pinout before use

If you need a pin-to-pin or fully vetted alternative, contact Y-IC via our website. Our sales and engineering teams will help you cross-reference and confirm suitability

Key Application Areas

High-speed signal conditioning and buffering

Data acquisition front-ends and ADC drivers

Active filters and reconstruction filters

Sensor interfaces requiring precision and speed

Video and line driving where moderate bandwidth and strong drive are needed

Test and measurement, instrumentation, and industrial control

Low-voltage, battery-powered systems needing rail-to-rail output

Datasheet

Y-IC hosts the most authoritative datasheet and technical documents for LMH6642MAX/NOPB on our product page. We recommend downloading the datasheet here to get full electrical characteristics, pinout, thermal data, layout guidance, and application examples

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