OPA314

OPA2314

OPA4314

www.ti.com

SBOS563B

– MAY 2011 – REVISED DECEMBER 2011

3-MHz, Low-Power, Low-Noise, RRI/O, 1.8-V CMOS

OPERATIONAL AMPLIFIER

Check for Samples: OPA314, OPA2314, OPA4314

1

FEATURES

DESCRIPTION

The OPA314 family of single, dual, and quad channel

2

•

operational amplifiers represents a new generation of

•

Wide Supply Range: 1.8 V to 5.5 V

low-power,

general-purpose

CMOS

amplifiers.

•

Low Noise: 14 nV/

√Hz at 1 kHz

Rail-to-rail input and output swings, low quiescent

current (150

•

Gain Bandwidth: 3 MHz

bandwidth of 3 MHz, and very low noise (14 nV/

√Hz

•

Low Input Bias Current: 0.2 pA

at 1 kHz) make this family very attractive for a variety

•

Low Offset Voltage: 0.5 mV

of battery-powered applications that require a good

balance between cost and performance. The low

•

Unity-Gain Stable

input

bias

current

supports

applications

with

•

Internal RF/EMI Filter

mega-ohm source impedances.

•

Extended Temperature Range:

The robust design of the OPA314 devices provides

–40°C to +125°C

ease-of-use to the circuit designer: unity-gain stability

with capacitive loads of up to 300 pF, an integrated

APPLICATIONS

RF/EMI rejection filter, no phase reversal in overdrive

•

Battery-Powered Instruments:

conditions, and high ESD protection (4-kV HBM).

– Consumer, Industrial, Medical

These

devices

are

optimized

for

low-voltage

– Notebooks, Portable Media Players

operation as low as +1.8 V (

±0.9 V) and up to +5.5 V

(

±2.75 V), and are specified over the full extended

•

Photodiode Amplifiers

temperature range of

–40°C to +125°C.

•

Active Filters

The OPA314 (single) is available in both SC70-5 and

•

Remote Sensing

SOT23-5 packages. The OPA2314 (dual) is offered in

•

Wireless Metering

SO-8,

MSOP-8,

and

DFN-8

packages.

The

•

Handheld Test Equipment

quad-channel OPA4314 is offered in a TSSOP-14

package.

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

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

2

All trademarks are the property of their respective owners.

UNLESS

OTHERWISE

NOTED

this

document

contains

Copyright

© 2011, Texas Instruments Incorporated

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.