LMV321IDBVT datasheet(16/50 Pages) TI1

16 / 50 page

VBIAS4

–

IN+

IN-

VBIAS1

VBIAS2

VBIAS3

–

Output

VCC

LMV358, LMV321, LMV324, LMV324S

SLOS263W – AUGUST 1999 – REVISED OCTOBER 2014

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8 Detailed Description

8.1 Overview

The LMV321, LMV358, LMV324, and LMV324S devices are single, dual, and quad low-voltage (2.7 V to 5.5 V)

operational amplifiers with rail-to-rail output swing. The LMV324S device, which is a variation of the standard

LMV324 device, includes a power-saving shutdown feature that reduces supply current when the amplifiers are

not needed. Channels 1 and 2 together are put in shutdown, as are channels 3 and 4. While in shutdown, the

outputs actively are pulled low.

The LMV321, LMV358, LMV324, and LMV324S devices are the most cost-effective solutions for applications

where low-voltage operation, space saving, and low cost are needed. These amplifiers are designed specifically

for low-voltage (2.7 V to 5 V) operation, with performance specifications meeting or exceeding the LM358 and

LM324 devices that operate from 5 V to 30 V. Additional features of the LMV3xx devices are a common-mode

input voltage range that includes ground, 1-MHz unity-gain bandwidth, and 1-V/

μs slew rate.

The LMV321 device is available in the ultra-small package, which is approximately one-half the size of the DBV

(SOT-23) package. This package saves space on printed circuit boards and enables the design of small portable

electronic devices. It also allows the designer to place the device closer to the signal source to reduce noise

pickup and increase signal integrity.

8.2 Functional Block Diagram

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Product Folder Links: LMV358 LMV321 LMV324 LMV324S

LMV321IDBVT Datasheet(PDF) 16 Page - Texas Instruments