NH25M22WG_17 datasheet(1/1 Pages) NDK

Part #	NH25M22WG

Description	Oven Controlled Crystal Oscillator (OCXO) for Fixed Communication Equipment

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Manufacturer	NDK [NIHON DEMPA KOGYO]

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Crystal Oscillator

1706E_NH25M22WG_e

Oven Controlled Crystal Oscillator (OCXO)

for Fixed Communication Equipment

NH25M22WG

●Basestationsforsystemmobilecommunications●Opticaltransmissionsystem

●Measuringinstrument●Synthesizer●Exchanger●High-endrouter

■ Main Application

●Lowpowerconsumption.

●Veryquickstabilizationtime.

●Excellentlong-termfrequencystability.

●Lownear-carrierphasenoisecharacteristics.

■ Features

■ Specifications

PhaseNoise

(at10MHz)

OffsetFrequency

dBc/Hz

1Hz

Typ.−100

10Hz

Typ.−125

100Hz

Typ.−142

1kHz

Typ.−152

10kHz

Typ.−152

■ Reference Value

■ Dimensions

Model

Item

NH25M22WG

NominalFrequencyfnom(MHz)

10

SupplyVoltageVcc(V)

+3.3

+5

LoadImpedanceCL(pF)

15

OperatingTemperatureRangeTopr(°C)

0to+70

–40to+85

0to+70

–40to+85

StorageTemperatureRangeTstr(°C)

–40to+85

PowerConsumptionPCC(W)

atstart

Max.3.0

whenstable,at+25°C

Max.1.3

FrequencyToleranceΔf/fnom

at+25°C,Vcont=Center,before

shipment

Max.200×10-9

Frequency/TemperatureCharacteristicsΔf/f

atOperatingTemperatureRange

Max.±10×10–9

Frequency/VoltageCoefficientΔf/f

VCC±5%

Max.±3×10–9

Long-termFrequencyStability

Δf/f

Basedonfrequencyafter30days

operation

Max.±1×10–9/day

Max.±50×10–9/year

StabilizationTime(min.)

Timewithinspecifiedfrequencytolerance

afterpoweronat+25°C,basedon

frequencyafter60minutesoperation.

Max.3/within±200×10–9

FrequencyControlRangeΔf/f

Vcont=+1.4V±1.4V Vcont=+1.65V±1.65V

Vcont=+2V±2V

Vcont=+2.5V±2.5V

Min.±500×10–9

FrequencyChangePolarity

Positive

OutputVoltage

LVCMOS

VOL:Max.+0.4V

VOH:Min.+2.4V

HCMOS

VOL:Max.+0.5V

VOH:Min.+4.5V

LVCMOS

VOL:Max.+0.4V

VOH:Min.+2.4V

Symmetry(%)

at(VOH+VOL)/2

40to60

SpecificationNumber

NSC5127A

NSC5127B

NSC5128A

NSC5128B

Weofferdedicatedtoolforevaluationofthisproduct

Pleasespecifythemodelname,frequency,andspecificationnumberwhen

youorderproducts.

Forfurtherquestionsregardingspecifications,pleasefeelfreetocontactus.

#1

#2

#3

#4

#5

#6

#7

Vcont

DNC (Don't connect)

VCC

OUTPUT

DNC (Don't connect)

GND

mm

Terminal land connections

Tolerance: ± 0.3

22.0

17.8±0.1

7.62±0.1

#2

#1

#3

2.5

#7

#4

#5

#6

Terminal numbers are not printed.

Tolerance±0.3

Itmightbeprintedmanegementcodetothebottom.

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