OPA313

OPA2313

OPA4313

www.ti.com

SBOS649C – SEPTEMBER 2012 – REVISED MARCH 2013

1-MHz, Micro-Power, Low-Noise, RRIO,1.8-V CMOS

OPERATIONAL AMPLIFIER

Precision Value Line Series

Check for Samples: OPA313, OPA2313, OPA4313

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FEATURES

DESCRIPTION

The OPA313 family of single-, dual-, and quad-

2

•

channel op amps represents a new generation of low-

•

Wide Supply Range: 1.8 V to 5.5 V

cost,

general

purpose,

micro-power

operational

•

Low Noise: 25 nV/

√Hz at 1 kHz

amplifiers. Featuring rail-to-rail input and output

swings, and low quiescent current (50

μA, typ)

•

Gain Bandwidth: 1 MHz

combined with a wide bandwidth of 1 MHz and very

•

Low Input Bias Current: 0.2 pA

low noise (25 nV/

√Hz at 1 kHz) makes this family

•

Low Offset Voltage: 0.5 mV

very attractive for a variety of battery-powered

applications that require a good balance between

•

Unity-Gain Stable

cost and performance. The low input bias current

•

Internal RF/EMI Filter

supports those op amps to be used in applications

•

Extended Temperature Range:

with megaohm source impedances.

–40°C to +125°C

The robust design of the OPA313 devices provides

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

APPLICATIONS

with capacitive loads of up to 150 pF, integrated

•

Battery-Powered Instruments:

RF/EMI rejection filter, no phase reversal in overdrive

conditions, and high electrostatic discharge (ESD)

–

Consumer, Industrial, Medical

protection (4-kV HBM).

–

Notebooks, Portable Media Players

These devices are optimized for operation at voltages

•

Sensor Signal Conditioning:

as low as +1.8 V (±0.9 V) and up to +5.5 V (±2.75 V),

–

Loop-Powered

and are specified over the extended temperature

–

Notebooks, Portable Media Players

range of –40°C to +125°C.

•

Wireless Sensors:

The OPA313 (single) is available in both SC70-5 and

–

Home Security

SOT23-5 packages. The OPA2313 (dual) is offered in

SO-8, MSOP-8, and DFN-8 packages. The quad-

–

Remote Sensing

channel OPA4313 is offered in a TSSOP-14 package.

–

Wireless Metering

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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 © 2012–2013, 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.