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LM8272

SNOS515F – OCTOBER 2000 – REVISED AUGUST 2015

LM8272 Dual RRIO, High Output Current & Unlimited Cap Load

Op Amp in Miniature Package

1 Features

3 Description

The LM8272 is a Rail-to-Rail input and output Op

1

Amp which can operate with a wide supply voltage

specified).

range. This device has high output current drive,

•

GBWP 15MHz

greater than Rail-to-Rail input common mode voltage

•

Wide supply voltage range 2.5 V to 24 V

range, and unlimited capacitive load drive capability,

while requiring only 0.95mA/channel supply current. It

•

Slew rate 15 V/µs

is specifically designed to handle the requirements of

•

Supply current/channel 0.95 mA

•

Cap load tolerance Unlimited

as being suitable for other low power and medium

speed applications which require ease of use and

•

Output short circuit current ±13 0mA

enhanced performance over existing devices.

•

Output current (1 V from rails) ±65 mA

Greater than Rail-to-Rail input common mode voltage

•

Input common mode voltage 0.3 V beyond rails

range with 50 dB of Common Mode Rejection allows

•

Input voltage noise 15 nV/

√Hz

high side and low side sensing among many

•

Input current noise 1.4 pA/

√Hz

applications without concerns for exceeding the range

and

with

no

compromise

in

accuracy.

An

2 Applications

exceptionally wide operating supply voltage range of

2.5

V

to

24

V

removes

any

concerns

over

•

functionality under extreme conditions and offers

•

A/D converter buffer

flexibility of use in multitude of applications. In

•

High side/low side sensing

addition, most device parameters are insensitive to

power supply variations. This design enhancement is

•

Headphone amplifier

yet another step in simplifying its usage.

The LM8272 is offered in the 8-pin VSSOP package.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

LM8272

VSSOP (8)

3.00 mm × 3.00 mm

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

Large Signal Step Response

Simplified Schematic

for Various Cap. Load

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.