Datasheet LV3403M Datasheet (SANYO)

Orderingnumber:EN5191A

Bi-CMOSLSI

LV3403M

3VOperationFilterforFMMultiplex

BroadcastingReception

Overview

TheLV3403MisafilterICforFMmultiplexbroadcasting
receptionwhichisusedincombinationwithdemodulation­errorcorrectionIC(LC72703).Theuseofswitchedcapacitor
filter(SCF)techniqueobviatestheneedforfrequency
adjustmentandensuresstableoperation.

Functions

.

76kHzBPF(Gaussianfilter)

.

54kHzHPF

.

125kHzLPF

.

Anti-aliasingfilter

.

Limitercircuit

Features

.

NoadjustmentsneededduetoSCF-usedconfiguration.

.

Fewexternalcomponentsneeded.

Specifications

PackageDimensions

unit:mm

3111-MFP14S

[LV3403M]

SANYO:MFP14S

MaximumRatingsatTa=25°C

Parameter¬ Symbol¬ Conditions¬ Ratings¬ Unit
Maximumsupplyvoltage¬ V
Maximuminputvoltage¬ V
Allowablepowerdissipation¬ Pdmax¬ 180¬ mW
Operatingtemperature¬ Topr¬ –20to+70¬ °C
Storagetemperature¬ Tstg¬ –55to+125¬ °C

max¬ 6¬ V

CC

max¬ SIG.IN,CLKINpin¬ –0.3toVCC+0.3¬ V

IN

OperatingConditionsatTa=25°C

Parameter¬ Symbol¬ Conditions¬ Ratings¬ Unit
Recommendedsupplyvoltage¬ V
Operatingsupplyvoltagerange¬ V

Inputvoltagerange¬ V

Clockfrequency¬ fck¬ Rectangularwave¬ 3.60¬ MHz
Clockinputvoltage¬ Vck¬ Rectangularwave¬ 1.0toV

CC

op¬ 2.7to4.5¬ V

CC

Basebandsignalequivalentto

IN

FM:100%modulation
f

=76kHz,CW¬ 8to30¬ mVrms

IN

200to300¬ mVrms

3V

CC

Vp-p

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62096HA(II)/81095HA(II)No.5191-1/3

LV3403M

ElectricalCharacteristicsatTa=25°C,VCC=3V,fck=3.6MHz,Vck=1Vp-p

Parameter¬ Symbol¬ Conditions¬ min¬ typ¬ max¬ Unit
Currentdrain¬ I
SCFblockcommonvoltage¬ V
Inputsignalresistance¬ R
Clockinputresistance¬ R

[MSKOutput]

Inputsensitivity¬ V
Outputhigh-levelvoltage¬ V

Outputlow-levelvoltage¬ V

CCO

IN3

IN12

3S

10H
10L

ReferenceCharacteristics

Parameter¬ Ratings¬ Unit
AAFcut-offfrequency¬ 300¬ kHz
HPFcornerfrequency¬ 54¬ kHz
LPFcut-offfrequency¬ 125¬ kHz
BPFcenterfrequency¬ 76¬ kHz
BPF–3dBfrequency¬ 19¬ kHz
Differenceinmaximumgroupdelaywithinband¬ ±5µs

Currentonpin14whenVIN=nosignal¬ 3.5¬ 5¬ 6.5¬ mA
Voltageonpin2whenVIN=nosignal¬ 1.2¬ 1.4¬ 1.6¬ V

2

Pin3inputresistance¬ 36¬ kΩ
Pin12inputresistance¬ 5¬ kΩ

fIN=76kHz,theinputlevelatwhichMSKoutputis
thesamefrequencywhenCWisapplied

VIN=76kHz,4mVrms,CW¬ 2.5¬ V
VIN=76kHz,4mVrms,CW¬ 0.4¬ V

4¬ mVrms

IntegratedCharacteristics

Gain,G–dB

Inputfrequency,fIN–kHz

PinAssignment

Groupdelay

Group delay –µs

Topview

No.5191-2/3

LV3403M

PinDescriptions

PinNo.¬ Pinname¬ Description

1¬ GND¬ Ground.
2V
3¬ SIG.IN¬ Signalinput.Inputafrequency-modulatedsignal(compositesignal)at200to300mVrms.

10¬ MSKOUT¬ MSKoutput(CMOSoutput.)
11¬ V

12¬ CLK

14¬ V

5,8,13¬ TESTPIN¬ Testpin.Leaveopen.

4,6,7,9¬ NC¬ Unused.

COM

REF

IN

CC

Notesonusage:
(1)WhenusingthisIC,leavepins4to9andpin13open.
(2)Theclockisconnectedtopin12fromthedecoder(LC72700)clockoutputpinthrougha100pFcapacitor.Inaddition,by

insertingaresistorintheclockline,itispossibletodampentherisingandfallingedges,reducingspuriousradiation.

EquivalentCircuitBlockDiagram

CommonforSCFsection.Connecttodecouplingcapacitor.

Wheninputting76kHzonly,theinputsensitivityis4mVrmsorless.

Limiterreferencepin.FormanLPFwiththe10kΩinternalresistorandanexternal
capacitor.

3.6MHzclockinput.BecausetheDCbiasisoutputbythelimiteramplifierinput,theclock
isinputwithcapacitorcoupling.

Powersupply

Clockinput

Dual-modeclock

generator

Biascircuit

SIG.input
76kHzCW

Note:Pins4through9andpin13mustbeleftopen.

MSKoutput

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nuclearpowercontrolsystems,vehicles,disaster/crime-preventionequipmentandthelike,thefailureofwhichmaydirectlyor
indirectlycauseinjury,deathorpropertyloss.

Anyonepurchasinganyproductsdescribedorcontainedhereinforanabove-mentioneduseshall:
1AcceptfullresponsibilityandindemnifyanddefendSANYOELECTRICCO.,LTD.,itsaffiliates,subsidiariesanddistributors

andalltheirofficersandemployees,jointlyandseverally,againstanyandallclaimsandlitigationandalldamages,costand
expensesassociatedwithsuchuse:

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ELECTRICCO.,LTD.,itsaffiliates,subsidiariesanddistributorsoranyoftheirofficersandemployeesjointlyorseverally.

Information(includingcircuitdiagramsandcircuitparameters)hereinisforexampleonly;itisnotguaranteedforvolume
production.SANYObelievesinformationhereinisaccurateandreliable,butnoguaranteesaremadeorimpliedregardingitsuse
oranyinfringementsofintellectualpropertyrightsorotherrightsofthirdparties.

ThiscatalogprovidesinformationasofJune,1996.Specificationsandinformationhereinaresubjecttochangewithoutnotice.

No.5191-3/3