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Zarlink Semiconductor Inc.

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

Copyright 2003-2006, Zarlink Semiconductor Inc. All Rights Reserved.

Features

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3.45 V Single Supply Operation

•

Low Power Dissipation: 210 mW typ

•

Broadband: DC to 6 GHz

•

SSB Phase Noise: –148 dBc/Hz @ 10 KHz

•Pout 3 dBm

Prescaler Modulus

•

ZL40804 – Divide by 4

Applications

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DC to 6 GHz PLL applications

•

HyperLan

•LMDS

•

Instrumentation

•

Satellite Communications

•

Fibre Optic Communications; OC48, OC192

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Ultra Low Jitter Clock Systems

Description

The ZL40804 are Bipolar 3.45 V supply, very low

power prescalers for professional applications with a

fixed modulus of 4. The ultra low close in (10 KHz

offset) SSB phase noise performance is ideal for

narrow band communications systems or systems with

ultra low jitter budgets such as next generation fibre

optic communications. The devices are broadband

from DC to 6 GHz.

See Figure 1 and Application Note for RF Prescalers

for more details.

March 2006

Ordering Information

ZL40804/DCA

8 pin SOIC

Tubes

ZL40804/DCB

8 pin SOIC

Tape and Reel

ZL40804DCE1

8 Pin SOIC*

Trays, Bake & Drypack

ZL40804DCF1

8 Pin SOIC*

Trays, Bake & Drypack

*Pb Free Matte Tin

-40

°C to +85°C

ZL40804

6 GHz Fixed Modulus

÷ 4

Data Sheet

Figure 1 - Functional Block Diagram

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Vref

Div N

20mA

50 Ohm

400 Ohm

VCC IN

VCC OUT

OUTPUT

OUTPUT B

INPUT

INPUT B

GND

GND

1

2

3

4

8

7

6

5