Texas Instruments LMP8350 Handleiding

Bekijk gratis de handleiding van Texas Instruments LMP8350 (39 pagina’s), behorend tot de categorie Niet gecategoriseerd. Deze gids werd als nuttig beoordeeld door 3 mensen en kreeg gemiddeld 4.4 sterren uit 3 reviews. Heb je een vraag over Texas Instruments LMP8350 of wil je andere gebruikers van dit product iets vragen? Stel een vraag

+V

+ V

INP

- V

INN

V

A

V

IO

V

REFP

V

REFN

Micro-

Controller

+V

SCLK

SDI

SDO

+V

+

-

24 Bit A/D

+V

REF

AGND

LMP8350

V

INN

V

INP

R

F1

R

F2

R

G1

R

G2

V

OCM

DGND

R

O1

R

O2

C

S

-

+

CS

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

LMP8350

SNOSB80C–FEBRUARY2011–REVISEDOCTOBER2015

LMP8350Ultra-LowDistortionFully-DifferentialPrecisionADCDriverWithSelectable

PowerModes

1Features3Description

TheLMP8350deviceisanultralowdistortionfully-

1

•DifferentialInputandOutput

differentialamplifierdesignedfordrivinghigh-

•Tri-LevelPowerSettingswithShutdown

performanceprecisionanalog-to-digitalconverters

•UltraLowHD2/HD3andTHD+NDistortion

(ADC).AspartofthePowerWise™family,aunique

modeenablepinallowstheusertochoosefromthree

•AdjustableOutputCommon-ModeLevel

differentoperatingmodes,tradingpower

•Fully-BalancedDifferentialArchitecture

consumptionfordynamicperformance.

•Single-orDual-SupplyOperation

ThehighpowermodeisoptimizedforhighestAC

•OperatingVoltageRange4.5Vto12V

performance.Thelownoise,widebandwidth,and

•SupplyCurrent3mAto13mA

fastslewratemaketheLMP8350idealfordriving24-

bitADCswithinputsamplingratesof10MHzorless.

•TotalTHD+Nat1KHz0.000097%

Themediumpowermodeisoptimizedforprecision

•HD2/HD3Distortionat1KHz<–124dBc

DCperformance,andcanbeusedtodrive24-bit

•Bandwidth118mHz

ADCswithinputsamplingratesof6MHzorless.The

•Settlingto0.1%20ns

lowpowermodeisatrade-offbetweenAC

performanceandquiescentcurrentforpower-

•LowOffsetDrift0.4µV/°C

sensitiveapplications.Thedisablemodefullyshuts

•OffsetVoltage80µV

downtheamplifierforfurtherstandbypowersavings.

•VoltageNoise4.6nV/Hz

Thefullydifferentialarchitectureofthisdeviceallows

•OperatingTemperatureRange−40°Cto+85°C

foreasyimplementationofasingle-endedtofully-

differentialoutputconversion.Drivinga3-Vpp,1-kHz

2Applications

outputsinewavewiththeamplifierpoweredby±3.3-

Vrailsinhighpowermodeyields0.000098%

•High-ResolutionDifferentialADCDrivers

THD+N.

•PortableInstrumentation

TheLMP8350ispartoftheLMP™precisionamplifier

•PrecisionLineDrivers

family,andisofferedinthe8-pinSOICpackage,with

anoperatingtemperaturerangeof−40°Cto+85°C.

DeviceInformation

(1)

PARTNUMBERPACKAGEBODYSIZE(NOM)

LMP8350SOIC(8)3.91mm×4.90mm

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

TypicalApplication

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

Product specificaties