Datasheet > LFPTXO000291

LFPTXO000291

更新时间： 2024-01-30 21:16:57

品牌	Logo	应用领域
IQD		石英晶振温度补偿晶振
页数	文件大小	规格书
3页	221K
描述
TCXO

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获取价格

数据手册

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LFPTXO000291 数据手册

TCXO Specification

Part No. + Packaging: LFPTXO000291Bulk

Description

Surface mount temperature compensated voltage controlled

crystal oscillator.

Freq Adj option

Option A (standard):

Ageing adjustment by means of external Control Voltage

applied to pad 1

Range (frequency ≤ 20MHz) ≥ ±5ppm

Range (frequency > 20MHz) ≥ ±7ppm

Linearity ≤2%

Slope Positive

Input resistance ≥100kΩ

Modulation bandwidth ≥2kHz

Standard control voltage range 1.5V±1V

Model

CFPT-9301-A

Model Issue number

Frequency Parameters

Outline (mm)

Frequency

32.7680MHz

±1.00ppm

Frequency Tolerance

Frequency Stability

Operating Temperature Range

Ageing

±1.00ppm

-40.00 to 85.00°C

±1ppm max in 1st year (see

Note 1)

Supply Voltage Variation (@ ±5% change):

Frequency <20MHz: ±0.1ppm typ

Frequency 20MHz to <35MHz: ±0.3ppm typ

Frequency 35MHz to 52MHz: ±0.5ppm typ

Load Variation (@ ±5pF change):

Frequency <20MHz: ±0.2ppm typ

Frequency 20MHz to <35MHz: ±0.3ppm typ

Frequency 35MHz to 52MHz: ±0.5ppm typ

Note 1 Ageing:

Frequency ≤20MHz: ±1ppm max in 1st year

Frequency ≤20MHz: ±3ppm max for 10 years (including the 1st

year)

Test Circuit

Frequency >20MHz: ±2ppm max in 1st year

Frequency >20MHz: ±5ppm max for 10 years (including the 1st

year)

Electrical Parameters

3.3V ±10%

Supply Voltage

Supply Current (typical):

HCMOS:

1+Frequency(MHz)*Supply(V)*{Load(pF)+15}*10–3mA

e.g. 20MHz, 3.3V, 15pF ≈ 3mA

Supply Voltage Tolerance: Parts will operate correctly with

±10% supply voltage variation but supply coefficient is

measured with ±5% variation

Frequency Adjustment - option B

No frequency adjustment

Initial calibration: ≤ ±1.0ppm

Sales Office Contact Details:

UK: +44 (0)1460 270200

Germany: 0800 1808 443

France: 0800 901 383

USA: +1.760.318.2824

Email: info@iqdfrequencyproducts.com

Web: www.iqdfrequencyproducts.com

Page 1 of 3

Printed on 19 Jan 18 11:06 using Part Data Sheet V1.00015

12 3

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