1

(−40dBc)

0.1

(−60dBc)

0.01

(−80dBc)

0.001

(−100dBc)

0.0001

(−120dBc)

Frequency (Hz)

1k

10k

100k

1M

G = 1

V

3rd−Harmonic

2nd−Harmonic

Product

Folder

Sample &

Buy

Technical

Documents

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Software

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Community

Reference

Design

OPA350, OPA2350, OPA4350

SBOS099D – SEPTEMBER 2000 – REVISED DECEMBER 2015

OPAx350 High-Speed, Single-Supply, Rail-to-Rail Operational Amplifiers MicroAmplifier

Series

1 Features

3 Description

The OPA350 series of rail-to-rail CMOS operational

1

•

Rail-to-Rail Input

amplifiers are optimized for low voltage, single-supply

•

Rail-to-Rail Output (Within 10 mV)

operation. Rail-to-rail input and output, low noise (5

•

Wide Bandwidth: 38 MHz

nV/

√Hz), and high speed operation (38 MHz, 22 V/μs)

make the amplifiers ideal for driving sampling Analog-

•

High Slew Rate: 22 V/

μs

to-Digital (A/D) converters. They are also suited for

•

Low Noise: 5 nV/

√Hz

cell phone PA control loops and video processing

•

Low THD+Noise: 0.0006%

(75-

Ω drive capability), as well as audio and general

purpose applications. Single, dual, and quad versions

•

Unity-Gain Stable

have identical specifications for maximum design

•

MicroSize Packages

flexibility.

•

Single, Dual, and Quad

The OPA350 series operates on a single supply as

low as 2.5 V, with an input common-mode voltage

2 Applications

range that extends 300 mV below ground and 300

•

Cell Phone PA Control Loops

mV above the positive supply. Output voltage swing

•

Driving A/D Converters

is to within 10 mV of the supply rails, with a 10-k

Ω

load. Dual and quad designs feature completely

•

Video Processing

independent

circuitry

for

lowest

crosstalk

and

•

Data Acquisition

freedom from interaction.

•

Process Controls

The single (OPA350) and dual (OPA2350) come in

•

Audio Processing

the miniature MSOP-8 surface mount, SO-8 surface

•

Communications

mount, and DIP-8 packages. The quad (OPA4350)

packages are in the space-saving SSOP-16 surface

•

Active Filters

mount and SO-14 surface mount. All are specified

•

Test Equipment

from

−40°C to 85°C and operate from −55°C to

150°C.

OPAx350 Harmonic Distortion

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

MSOP (8)

3.00 mm × 3.00 mm

OPA350

SOIC (8)

3.91 mm × 4.90 mm

PDIP (8)

6.35 mm × 9.81 mm

MSOP (8)

3.00 mm × 3.00 mm

OPA2350

SOIC (8)

3.91 mm × 4.90 mm

PDIP (8)

6.35 mm × 9.81 mm

SSOP (16)

3.90 mm × 4.90 mm

OPA4350

SOIC (14)

3.91 mm × 8.65 mm

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

the end of the data sheet.

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.