LFTCXO077231REEL datasheet, PDF

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LFTCXO077231REEL: DescriptionOSCILLATOR TCXO 38.40MHZ CLIPPED; CategoryPassive components; File Size212KB，2 Pages; ManufacturerIQD; Environmental Compliance

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LFTCXO077231REEL Overview

OSCILLATOR TCXO 38.40MHZ CLIPPED

LFTCXO077231REEL Parametric

Parameter Name	Attribute value
type	TCXO
frequency	38.4MHz
Function	enable/disable
output	Peak clipped sine wave
Voltage - Power	1.2V
frequency stability	±0.5ppm
Absolute pulling range (APR)	-
Operating temperature	-30°C ~ 85°C
Current - Power (maximum)	1.7mA
grade	-
Installation type	surface mount
Package/casing	4-SMD, no leads
size/dimensions	0.079" long x 0.063" wide (2.00mm x 1.60mm)
Height - Installation (maximum)	0.032"（0.80mm）
Current - Power (disabled) (maximum)	-

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TCXO Specification

Part No. + Packaging:

LFTCXO077231Reel

Description

IQXT-225 is a 2.0 x 1.6mm SMD Temperature Compensated

Crystal Oscillator (TCXO) in a hermetically sealed package with

E/D on pad 1 for low power operation.

Model

IQXT-225-12

Model Issue number

Developed frequencies: 16.368, 16.369, 19.2, 26.0, 33.6 and

38.4MHz

Frequency Parameters

Frequency

Frequency Tolerance Max

Frequency Stability

Operating Temperature Range

Ageing

38.40MHz

±1.50ppm

0.50ppm

-30.00 to 85.00°C

±1ppm max per year @ 25°C

±2°C

Frequency Tolerance: @ 25°C ±2°C referred to nominal

frequency before reflow soldering.

Supply Voltage Variation (@ ±5% change): ±0.1ppm max

Load Variation (@ ±10% change): ±0.1ppm max

Reflow Variation (at 25°C ±2°C referred to frequency before

reflow): ±1ppm max, 24 hrs after reflow.

Outline (mm)

Electrical Parameters

1.2V ±5%

Supply Voltage

Current Draw Max

1.700mA

Absolute Maximum Ratings:

Supply Voltage: -0.6V to 4.6V

E/D Control Voltage: -0.6V to Vs+0.6V (4.6V max)

Output Details

Clipped Sine

Output Compatibility

Drive Capability

10kΩ//10pF ±10%

Output: DC coupled

Note: a 1000pF DC-cut capacitor is to be connected in the

output line of the TCXO.

Output Level: 0.8V pk-pk min

Start Up Time: Vout

≥90%

of V pk-pk: 2ms max

Start Up Time (within ±0.5ppm): 2ms max

Output Control

Enable/Disable (pad 1):

Logic ‘1’ (80%Vs min) or no connection to pad 1 enables the

oscillator output.

Logic ‘0’ (20%Vs max) to pad 1 disables the oscillator output,

the output goes to a high impedance state.

Disable current in E/D mode: 3μA max

Noise Parameters

Phase Noise (typ): -135dBc/Hz @ 1kHz

Environmental Parameters

Manufacturing Details

RoHS Terminations

RoHS Reflow Temp

NiAu

+250°C ±10°C for 10 sec max

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 2

Printed on 21 Mar 18 9:48 using Part Data Sheet V1.00015

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