550ME000194DG datasheet, PDF - EEWORLD Datasheet

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550ME000194DG: DescriptionVCXO Oscillators VCXO; Diff/SE; Single Freq; 10-1417 MHz; CategoryPassive components; File Size458KB，15 Pages; ManufacturerSilicon Laboratories

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550ME000194DG Overview

VCXO Oscillators VCXO; Diff/SE; Single Freq; 10-1417 MHz

550ME000194DG Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Silicon Laboratories
Product Category	VCXO Oscillators
Frequency	10 MHz to 945 MHz
Frequency Stability	20 PPM
Load Capacitance	15 pF
Operating Supply Voltage	3.3 V
Supply Voltage - Min	2.97 V
Supply Voltage - Max	3.63 V
Output Format	LVPECL
Termination Style	SMD/SMT
Package / Case	5 mm x 7 mm
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C
Length	7 mm
Height	1.65 mm
Width	5 mm
Packaging	Tray
Current Rating	120 mA
Duty Cycle - Max	55 %
Mounting Style	SMD/SMT

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Si550

EVISION

O L TAG E

- C

ONTR OLLED

RYSTAL

S C I L L A T O R

(VCXO)

10 MH

Z TO

1 . 4 G H

Features

Available with any frequency from



10 to 945 MHz and select

frequencies to 1.4 GHz



3rd generation DSPLL

with

superior jitter performance (0.5 ps)



3x better temperature stability than



SAW-based oscillators



Excellent PSRR performance



Internal fixed crystal frequency

ensures high reliability and low

aging

Available CMOS, LVPECL,

LVDS, and CML outputs

3.3, 2.5, and 1.8 V supply options

Industry-standard 5 x 7 mm

package and pinout



Pb-free/RoHS-compliant

Si5602

Ordering Information:

See page 10.

Applications



SONET/SDH

xDSL

10 GbE LAN/WAN



Low-jitter clock generation

Optical modules

Clock and data recovery

Pin Assignments:

See page 9.

(Top View)

Description

The Si550 VCXO utilizes Silicon Laboratories’ advanced DSPLL

circuitry to

provide a low-jitter clock at high frequencies. The Si550 supports any

frequency from 10 to 945 MHz and select frequencies to 1417 MHz. Unlike

traditional VCXOs, where a different crystal is required for each output

frequency, the Si550 uses one fixed crystal to provide a wide range of output

frequencies. This IC-based approach allows the crystal resonator to provide

exceptional frequency stability and reliability. In addition, DSPLL clock

synthesis provides superior supply noise rejection, simplifying the task of

generating low-jitter clocks in noisy environments typically found in

communication systems. The Si550 IC-based VCXO is factory-configurable

for a wide variety of user specifications, including frequency, supply voltage,

output format, tuning slope, and temperature stability. Specific configurations

are factory programmed at time of shipment, thereby eliminating the long

lead times associated with custom oscillators.

GND

CLK–

CLK+

Functional Block Diagram

Fixed

Frequency

Any-Frequency

10 MHz–1.4 GHz

DSPLL

Clock Synthesis

CLK+

CLK–

ADC

GND

Rev. 1.2 6/18

Si550

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Product Attribute	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value	Attribute Value
Manufacturer	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories	Silicon Laboratories
Product Category	VCXO Oscillators	VCXO Oscillators	VCXO Oscillators	VCXO Oscillators	VCXO Oscillators	VCXO Oscillators	VCXO Oscillators	VCXO Oscillators
Frequency	10 MHz to 945 MHz	161.133 MHz	400 MHz	27 MHz	19.44 MHz	27 MHz	184.32 MHz	115.44 MHz
Frequency Stability	20 PPM	50 PPM	50 PPM	20 PPM	50 PPM	20 PPM	20 PPM	50 PPM
Load Capacitance	15 pF	15 pF	15 pF	15 pF	15 pF	15 pF	15 pF	15 pF
Operating Supply Voltage	3.3 V	2.5 V	2.5 V	3.3 V	3.3 V	3.3 V	3.3 V	3.3 V
Supply Voltage - Min	2.97 V	2.25 V	2.25 V	2.97 V	2.97 V	2.97 V	2.97 V	2.97 V
Supply Voltage - Max	3.63 V	2.75 V	2.75 V	3.63 V	3.63 V	3.63 V	3.63 V	3.63 V
Output Format	LVPECL	CML	LVDS	CMOS	LVPECL	LVPECL	LVPECL	LVPECL
Termination Style	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT
Package / Case	5 mm x 7 mm	5 mm x 7 mm	5 mm x 7 mm	5 mm x 7 mm	5 mm x 7 mm	5 mm x 7 mm	5 mm x 7 mm	5 mm x 7 mm
Minimum Operating Temperature	- 40 C	- 40 C	- 40 C	- 40 C	- 40 C	- 40 C	- 40 C	- 40 C
Maximum Operating Temperature	+ 85 C	+ 85 C	+ 85 C	+ 85 C	+ 85 C	+ 85 C	+ 85 C	+ 85 C
Length	7 mm	7 mm	7 mm	7 mm	7 mm	7 mm	7 mm	7 mm
Height	1.65 mm	1.65 mm	1.65 mm	1.65 mm	1.65 mm	1.65 mm	1.65 mm	1.65 mm
Width	5 mm	5 mm	5 mm	5 mm	5 mm	5 mm	5 mm	5 mm
Packaging	Tray	Tray	Tray	Box	Tray	Tray	Tray	Box
Current Rating	120 mA	108 mA	99 mA	90 mA	120 mA	120 mA	120 mA	120 mA
Duty Cycle - Max	55 %	55 %	55 %	55 %	55 %	55 %	55 %	55 %
Mounting Style	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT	SMD/SMT

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