DSC1105 datasheet(1/28 Pages) MICROCHIP

Part #	DSC1105

Description	Low EMI, Low-Jitter Precision CMOS Oscillator

PDF	28 Pages

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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 2017 Microchip Technology Inc.

DS20005869A-page 1

DSC1105/25

Features

• Low Drive Strength for EMI Reduction

• Low RMS Phase Jitter: <1 ps (typ.)

• High Stability: ±10 ppm, ±20 ppm, ±25 ppm,

±50 ppm

• Wide Temperature Range:

- Automotive: –55°C to +125°C

- Ext. Industrial: –40°C to +105°C

- Industrial: –40°C to +85°C

- Commercial: –20°C to +70°C

• High Supply Noise Rejection: –50 dBc

• Wide Freq. Range: 2.3 MHz to 100 MHz

• Small Industry Standard Footprints

- 2.5 mm x 2.0 mm, 3.2 mm x 2.5 mm, 5.0 mm

x 3.2 mm, and 7.0 mm x 5.0 mm

• Excellent Shock and Vibration Immunity

- Qualified to MIL-STD-883

• High Reliability

- 20x Better MTF than Quartz Oscillators

• Low Current Consumption

• Supply Range of 2.25 to 3.6V

• Standby and Output Enable Function

• Lead-Free and RoHS Compliant

Applications

• Storage Area Networks

- SATA, SAS, Fibre Channel

• Passive Optical Networks

- EPON, 10G-EPON,V GPON, 10G-PON

• Ethernet

- 1G, 10GBASE-T/KR/LR/SR, and FCoE

• HD/SD/SDI Video and Surveillance

• PCI Express

• Display Port

General Description

The

DSC1105

and

DSC1125

series

of

high

performance oscillators utilize a proven silicon MEMS

technology to provide excellent jitter and stability over

a wide range of supply voltages and temperatures. By

eliminating the need for quartz or SAW technology,

MEMS oscillators significantly enhance reliability and

accelerate product development, while meeting

stringent clock performance criteria for a variety of

communications, storage, and networking applications.

DSC1105 has a standby feature that allows it to

completely power-down when EN pin is pulled low;

whereas for DSC1125, only the outputs are disabled

when EN is low. Both oscillators are available in

industry standard packages, including the small

2.5 mm x 2.0 mm, and are “drop-in” replacements for

standard 4-pin CMOS quartz crystal oscillators. The

DSC1105/25

is

functionally

equivalent

to

the

DSC1101/21, but it has lower drive strength for EMI

reduction.

Functional Block Diagram

Low EMI, Low-Jitter Precision CMOS Oscillator

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