LMV981IDBVRE4

Instrumentation, Op Amps, Buffer Amps Overview

The LMV981IDBVRE4 is a single-channel, low-voltage operational amplifier manufactured by Texas Instruments. It operates within a supply voltage range of 1.8 V to 5 V and features rail-to-rail input and output capabilities. The device includes a dedicated shutdown pin for power management. Key electrical specifications include a gain bandwidth product of 1.4 MHz at 1.8 V and 1.5 MHz at 5 V, with a maximum input offset voltage of 6 mV across the full temperature range. Quiescent current is typically 103 µA per channel at 1.8 V, dropping to 0.156 µA in shutdown mode. It is housed in a SOT-23-6 (DBV) package.

Instrumentation, Op Amps, Buffer Amps Feature Summary

• Rail-to-rail input and output capability maximizes signal swing in low-voltage applications
• Dedicated shutdown pin enables significant power savings when the device is inactive
• Input common-mode voltage extends beyond the supply rails for increased flexibility
• Space-saving SOT-23-6 packaging designed for portable and space-constrained designs

Instrumentation, Op Amps, Buffer Amps Applications

• Industrial utility and energy metering
• Automotive electronic systems
• Communications equipment including optical telecom and cable modems
• Consumer electronics such as PDAs, PCs, and portable audio devices
• Battery monitoring and supply-current monitoring circuits

Instrumentation, Op Amps, Buffer Amps Procurement Notes

Verify that the ordering suffix RE4 corresponds to the specific tape and reel configuration required for your assembly line. Confirm RoHS compliance status and lead-free material declarations against the latest Package Option Addendum. Ensure the DBV package thermal impedance characteristics are compatible with your PCB layout and ambient operating conditions to maintain junction temperatures within absolute maximum ratings.

Instrumentation, Op Amps, Buffer Amps Selection Notes

Select this component for applications requiring low-power operation from single-cell lithium-ion or two-cell battery sources. The rail-to-rail I/O makes it suitable for maximizing dynamic range in low-voltage signal chains. Consider the shutdown feature if system power conservation is critical during idle periods. Verify that the 1.4 MHz gain bandwidth meets the frequency response requirements of your specific signal processing tasks.

Instrumentation, Op Amps, Buffer Amps Part Context

This part belongs to the LMV98x family of 1.8-V operational amplifiers, which also includes the dual-channel LMV982. The family is characterized for operation from -40°C to +125°C, supporting commercial, industrial, and automotive environments. The LMV981 specifically provides a single amplifier solution in compact packages like SOT-23-6, SC-70, and QFN, distinguishing it from the dual-channel variants available in MSOP and VSSOP packages.

Instrumentation, Op Amps, Buffer Amps Replacement Considerations

LMV981IDBVR

Instrumentation, Op Amps, Buffer Amps FAQ

How does the shutdown pin affect the quiescent current?

Pulling the SHDN pin low activates shutdown mode, reducing the typical supply current from 103 µA to 0.156 µA at a 1.8-V supply.

What is the input common-mode voltage range?

The input common-mode voltage can extend 200 mV beyond the supply rails, providing flexibility in low-voltage signal conditioning.

Is the LMV981IDBVRE4 suitable for automotive applications?

Yes, the device is characterized for an operating temperature range of -40°C to 125°C, making it suitable for automotive environments.