MD-403 datasheet(1/8 Pages) MICROSEMI

tên linh kiện	MD-403

Giải thích chi tiết về linh kiện	I2C InterfaceOven Controlled Crystal Oscillator

PDF	8 Pages

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nhà sản xuất	MICROSEMI [Microsemi Corporation]

Trang chủ	http://www.microsemi.com

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Vectron International • 267 Lowell Road, Hudson Suite 102, NH 03051 • Tel: 1-88-VECTRON-1 • http://www.vectron.com

Page 1 of 8

MD-403

I2C InterfaceOven Controlled Crystal Oscillator

• Surface Mount package

• Low Profile Compact Package

• Standard frequency: 10, 20, 30.72,38.88, 40 MHz

• Temperature stability to 10 ppb

• Temperature range: -40 to 95°C

• Aging rate to 1 ppb/day

• I 2C interface with frequency coefficients, temperature

sensor for additional correction

• Base stations

• Test equipment

• Synthesizers

• Military communication equipment

• Digital Switching

Features

Applications

MD-403

Frequency Stabilities1 ( 10 -40 MHz)

Parameter

Min

Typical

Max

Units

Condition

vs. operating temperature range

(referenced to +25°C)

-10

+10

ppb

-20 to +70°C

-40 to +85°C

-40 to +95°C

Residual error compare to fit

curve

-0.6

0.6

ppb

Improved Frequency versus temperature F(T) performance obtained using on board temperature sensor (T) and frequency vs.

temperature coefficients (An)stored in EEPROM, using formula:

F(T)=A

4T

4

+A

3T

3

+A

2T

2

+A

1T+A0

Initial tolerance

vs. supply voltage change

vs. load change

vs. aging / day

vs. aging / year

vs. aging / 10 year

-5

-10

-1

-100

-800

5

+10

+1

+100

+800

ppm

ppb

at time of shipment,

V

S ±5% static

Load ±5% static

after 30 days of operation

holdover (without

compensation on customer

side.)

2.5

µsec

over 30 minutes and 10°C temp jump @ T

oscillator must be for miniumum 7 days on

power.

holdover (with compensation on

customer side.)| 6

1

over 30 minutes and 10°C temp jump @ T

oscillator must be for miniumum 7 days on

power.

Warm-up time

3

minutes

to ±100ppb of final frequency (1 hour

reading) @ +25°C

Performance Specifications

The MD-403 is a Vectron module that contains a medium size ovenized crystal oscillator and an I2C interface that communicates with an

onboard EEPROM and temperature sensors. The interface enables the customer to improve upon the already

exceptional stability of the oscillator. Provided in a fully hermetic 13 x 20 x 10.7mm package, the device is capable of aging rates of 1ppb/

day and temperature stabilities of 10 ppb from -40 to 95°C. Use of the information provided in the I2C interface provides a cost

effective means of improving stability by as much as a factor of 10 depending upon environmental conditions.

Số phần tương tự - MD-403

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