U2781B - Frequency Synthesizer

Product Overview

Atmel

Datasheet Details

Part number	U2781B
Manufacturer	ATMEL
File Size	82.00 KB
Description	Frequency Synthesizer
Datasheet	U2781B Datasheet
Additional preview pages of the U2781B datasheet.

Product details

Description

The programmable frequency synthesizer IC U2781B for µP-controlled applications is realized with Atmel Wireless & Microcontrollers’ advanced UHF process which is very suitable for combinations of fast ECL logic and low-current I2L logic.

Features

D D D D D D D D D Very low current consumption (typ. 3 V/ 5 mA) Supply-voltage range: 2.7 to 5.5 V Max. input frequency: 1.1 GHz Programmable prescaler 64/ 65 or 128/ 129 Controlled by 3-wire bus with fclock up to 500 kHz Status output for PLL lock/ unlock condition Very fast phase detector SSO20 package ESD protection in accordance with MIL-STD. 883 method 3015 class 2 Benefits D Very low current consumption extends talk time D Few external components and SSO package save costs and space Bloc.

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Published: Apr 28, 2005 |