LMV341_V01 datasheet(15/42 Pages) TI2

tên linh kiện	LMV341

Giải thích chi tiết về linh kiện	LMV34x Rail-to-Rail Output CMOS Operational Amplifiers With Shutdown

PDF	42 Pages

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6 Detailed Description

6.1 Overview

The LMV34x devices are precision operational amplifiers with CMOS inputs for very low input bias current.

Output is rail-to-rail and input common-mode includes ground. LMV341 has a shutdown mode for very low

supply current.

6.2 Functional Block Diagram

6.3 Feature Description

6.3.1 PMOS Input Stage

PMOS Input Stage supports a lower input range that includes ground. Upper range limit is V+ – 1V.

6.3.2 CMOS Output Stage

The CMOS drain output topology allows rail-to-rail output swing.

6.3.3 Shutdown

LMV341 includes a shutdown pin. During shutdown, ICC is nearly zero and the output becomes high impedance.

The typical turnon time coming out of shutdown is 5µs.

6.4 Device Functional Modes

The LMV34x devices have two modes of operation:

• Normal operation when SHDN pin is at V+ level or the SHDN pin is not present

• Shutdown mode when SHDN is at GND level; ICC is very low and output is high impedance.

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LMV341, LMV342, LMV344

SLOS447J – SEPTEMBER 2004 – REVISED JUNE 2025

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