OBSOLETE

LMV921, LMV922, LMV924

www.ti.com

SNOS436H – AUGUST 2000 – REVISED APRIL 2013

LMV921/LMV922/LMV924 Single, Dual and Quad 1.8V, 1MHz, Low Power Operational

Amplifiers with Rail-To-Rail Input and Output

Check for Samples: LMV921, LMV922, LMV924

1

FEATURES

DESCRIPTION

The LMV921 Single/LMV922 Dual/LMV924 Quad are

2

•

(Typical 1.8V Supply Values; Unless Otherwise

ensured to operate from +1.8V to +5.0V supply

Noted)

voltages and have rail-to-rail input and output. This

•

Ensured 1.8V, 2.7V and 5V Specifications

rail-to-rail operation enables the user to make full use

•

Rail-to-Rail Input & Output Swing

of the entire supply voltage range. The input common

mode voltage range extends 300mV beyond the

•

w/600

Ω Load 100 mV from Rail

supplies

and

the

output

can

swing

rail-to-rail

•

w/2k

Ω Load 30 mV from Rail

unloaded and within 100mV from the rail with 600

Ω

•

load at 1.8V supply. The LMV921/LMV922/LMV924

are optimized to work at 1.8V which make them ideal

•

Supply Current 145µA/amplifier

for portable two-cell battery-powered systems and

•

Gain Bandwidth Product 1MHz

single cell Li-Ion systems.

•

The

LMV921/LMV922/LMV924

exhibit

excellent

•

90dB Gain w/600

Ω Load

speed-power ratio, achieving 1MHz gain bandwidth

•

LMV921 Available in Ultra Tiny, SC70-5

product at 1.8V supply voltage with very low supply

Package

current. The LMV921/LMV922/LMV924 are capable

of driving 600

Ω load and up to 1000pF capacitive

•

LMV922 Available in VSSOP-8 Package

load

with

minimal

ringing.

The

•

LMV924 Available in TSSOP-14 Package

LMV921/LMV922/LMV924's high DC gain of 100dB

makes them suitable for low frequency applications.

APPLICATIONS

The LMV921 (Single) is offered in a space saving

•

Cordless/Cellular Phones

SC70–5 and SOT-23–5 packages. The SC70–5

package

is

only

2.0X2.1X1.0mm.

These

small

•

Laptops

packages are ideal solutions for area constrained PC

•

PDAs

boards and portable electronics such as cellphones

•

PCMCIA

and PDAs.

•

Portable/Battery-Powered Electronic

Equipment

•

Supply Current Monitoring

•

Battery Monitoring

spacer

Supply Current vs.

Output Voltage Swing vs.

Gain and Phase Margin

Supply Voltage (LMV921)

Supply Voltage

vs. Frequency

1

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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

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PRODUCTION DATA information is current as of publication date.

Copyright © 2000–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.