Texas Instruments LMH6658 Bedienungsanleitung

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1M10M100M500M

-200

-50

PHASE

FREQUENCY (Hz)

V

S

= ±2.5V

R

L

= 100:

V

OUT

= 200mV

PP

-150

-100

0

A

V

= +10

A

V

= +5

A

V

= +2

A

V

= +1

FREQUENCY (Hz)

1M

10M

100M

500M

-1

GAIN

V

S

= ±2.5V

R

L

= 100:

V

OUT

= 200mV

PP

-5

-3

0

-7

A

V

= +10

A

V

= +5

A

V

= +2

A

V

= +1

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LMH6657

,

LMH6658

SNOSA35G–AUGUST2002–REVISEDJULY2015

LMH6657andLMH6658270-MHzSingleSupply,SingleandDualAmplifiers

1Features3Description

TheLMH6657andLMH6658devicesarelow-cost

1

V

S

=5V,T

A

=25°C,R

L

=100Ω(TypicalValues

operationalamplifiersthatoperatefromasingle

UnlessSpecified)

supplywithinputvoltagerangeextendingbelowthe

•−3dBBW(A

V

=+1)270MHz

V

−

.Basedoneasytousevoltagefeedbacktopology

•SupplyVoltageRange3Vto12V

andboastingfastslewrate(700V/µs)andhigh

speed(140MHzGBWP),theLMH6657(Single)and

•SlewRate,(V

S

=±5V)700V/µs

LMH6658(dual)canbeusedinhighspeedlarge

•SupplyCurrent6.2mA/amp

signalapplications.Theseapplicationsinclude

•OutputCurrent+80/−90mA

instrumentation,communicationdevices,set-top

boxes,andsoforth.

•InputCommon-ModeVolt.0.5VBeyondV

−

,1.7V

fromV

+

Witha-3dBBWof100MHz(A

V

=+2)andDG&DP

•OutputVoltageSwing(R

L

=2kΩ)0.8Vfrom

of0.03%&0.10°respectively,theLMH6657and

LMH6658arewellsuitedforvideoapplications.The

Rails

outputstagecantypicallysupply80mAintotheload

•InputVoltageNoise11nV/√Hz

withaswingofabout1Vfromeitherrail.

•InputCurrentNoise2.1pA√Hz/

ForIndustrialapplications,theLMH6657and

•DGError0.03%

LMH6658areexcellentcost-savingchoices.Input

•DPError0.10°

referredvoltagenoiseislowandtheinputvoltage

•THD(5MHz)−55dBc

canextendbelowV

−

toeaseamplificationoflowlevel

signalsthatcouldbeatornearthesystemground.

•SettlingTime(0.1%)37ns

Withlowdistortionandfastsettling,LMH6657and

•FullyCharacterizedfor5V,and±5V

LMH6658canprovidebufferingforA/DandD/A

•OutputOverdriveRecovery18ns

applications.

•OutputShortCircuitProtected

(1)

TheLMH6657andLMH6658versatilityandeaseof

•NoOutputPhaseReversalWithCMVRExceeded

useisextendedevenfurtherbyofferingthesehigh

slewrate,high-speedoperationalamplifiersin

miniaturepackagessuchasSOT-23-5,SC70,SOIC-

2Applications

8,andVSSOP-8.

•CD/DVDROM

•ADCBufferAmps

DeviceInformation

(1)

•PortableVideo

PARTNUMBERPACKAGEBODYSIZE(NOM)

SC70(5)2.00mm×1.25mm

•CurrentSenseBuffers

LMH6657

SOT-23(5)2.90mm×1.60mm

•PortableCommunications

SOIC(8)4.90mm×3.91mm

(1)ShortCircuitTestisamomentarytest.

LMH6658

VSSOP(8)3.00mm×3.00mm

SeeNote3underAbsoluteMaximumRatings.

(1)Forallavailablepackages,seetheorderableaddendumat

theendofthedatasheet.

NoninvertingFrequencyResponse,GainNoninvertingFrequencyResponse,Phase

1

AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,

intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.

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