LHV870LC/NOPB

Overview

The LHV870LC/NOPB is a single high-performance, high-voltage operational amplifier from Texas Instruments. It features a gain bandwidth product of 55 MHz and a slew rate of ±20 V/μs. The device operates on a supply voltage range of ±2.5V to ±22V with a maximum rating of 46V. Key electrical characteristics include an input noise density of 2.7 nV/√Hz, an input offset voltage of 0.1 mV, and an input bias current of 10 nA. It provides output currents up to ±37 mA and maintains CMRR and PSRR exceeding 120 dB.

Feature Summary

• Ultra-low distortion performance with DC gain linearity error of 0.000009%.
• High voltage operation capability supporting dual supplies up to ±22V.
• Excellent power supply rejection ratio (PSRR) and common-mode rejection ratio (CMRR).
• Integrated output short circuit protection for enhanced reliability.

Applications

• Low noise industrial applications including test, measurement, and ultrasound equipment.
• High quality audio amplification and high fidelity preamplifiers.
• High performance professional audio equalization and crossover networks.
• High performance line drivers and receivers.

Procurement Notes

Verify the obsolete status of this specific part number before procurement planning. Confirm if alternative packages or updated components are recommended by the manufacturer for new designs. Ensure compatibility with existing PCB footprints if used in legacy systems.

Selection Notes

Select this component for applications requiring high voltage swing combined with low noise and high speed. It is suitable for driving complex loads up to 100pF capacitive load without external isolation resistors. Consider the WQFN package thermal characteristics for heat dissipation requirements.

Part Context

This device belongs to the LHV870 family of high-voltage operational amplifiers manufactured by Texas Instruments. It utilizes advanced leading-edge process technology to deliver superior signal amplification. The component is designed for demanding analog signal processing tasks where precision and dynamic range are critical.

Replacement Considerations

The datasheet explicitly states that this device is Not Recommended For New Designs. Verify availability of active replacements within the Texas Instruments portfolio or equivalent specifications from other manufacturers if designing new hardware.

FAQ

What is the maximum power supply voltage for the LHV870?

The absolute maximum power supply voltage (VS = V+ - V-) is 46V. The recommended operating range is ±2.5V to ±22V.

Is the LHV870 unity gain stable?

Yes, the LHV870 is unity gain stable and can drive capacitive loads up to 100pF with little change in phase characteristics.