Texas Instruments LMV792 Handleiding

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1

1010010k100k

FREQUENCY (Hz)

1

10

100

1k

VOLTAGE NOISE (nV/

Hz)

V

+

= 5.5V

V

+

= 2.5V

C

CM

I

IN

R

F

V

OUT

+

-

+

-

V

B

C

F

C

D

V

OUT

I

IN

- R

F

=

C

IN

= C

D

+ C

CM

Product

Folder

Sample &

Buy

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LMV791

,

LMV792

SNOSAG6G–SEPTEMBER2005–REVISEDOCTOBER2015

LMV79x17-MHz,Low-Noise,CMOSInput,1.8-VOperationalAmplifiersWithShutdown

1Features3Description

TheLMV791(single)andtheLMV792(dual)low-

1

Typical5-VSupply,UnlessOtherwiseNoted

noise,CMOSinputoperationalamplifiersofferalow

•InputReferredVoltageNoise5.8nV/√Hz

inputvoltagenoisedensityof5.8nV/√Hzwhile

•InputBiasCurrent100fA

consumingonly1.15mA(LMV791)ofquiescent

current.TheLMV791andLMV792areunitygain

•UnityGainBandwidth17MHz

stableoperationalamplifiersandhavegainbandwidth

•SupplyCurrentperChannelEnableMode

of17MHz.TheLMV79xhaveasupplyvoltagerange

–LMV7911.15mA

of1.8Vto5.5Vandcanoperatefromasingle

supply.TheLMV79xeachfeaturearail-to-railoutput

–LMV7921.30mA

stagecapableofdrivinga600-Ωloadandsourcing

•SupplyCurrentperChannelinShutdownMode

asmuchas60mAofcurrent.

0.02µA

TheLMV79xfamilyprovidesoptimalperformancein

•Rail-to-RailOutputSwing

low-voltageandlow-noisesystems.ACMOSinput

–At10-kΩLoad,25mVfromRail

stage,withtypicalinputbiascurrentsintherangeof

–At2-kΩLoad,45mVfromRail

afewfemtoamperes,andaninputcommon-mode

voltagerangewhichincludesground,makethe

•Ensured2.5-Vand5-VPerformance

LMV791andtheLMV792idealforlow-powersensor

•TotalHarmonicDistortion0.01%at1kHz,600Ω

applications.TheLMV79xfamilyhasabuilt-inenable

•TemperatureRange−40°Cto125°C

featurewhichcanbeusedtooptimizepower

dissipationinlowpowerapplications.

2Applications

TheLMV791xaremanufacturedusingTI’sadvanced

•PhotodiodeAmplifiers

VIP50processandareofferedina6-pinSOTanda

10-pinVSSOPpackagerespectively.

•ActiveFiltersandBuffers

•Low-NoiseSignalProcessing

DeviceInformation

(1)

•MedicalInstrumentation

PARTNUMBERPACKAGEBODYSIZE(NOM)

•SensorInterfaceApplications

LMV791SOT(6)2.90mm×1.60mm

LMV792VSSOP(10)3.00mm×3.00mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

PhotodiodeTransimpedanceAmplifierLow-NoiseCMOSInput

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties