ATR4285 datasheet(1/13 Pages) ATMEL

Part #	ATR4285

Description	Reference Oscillator up to 15 MHz

PDF	13 Pages

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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Features

• Reference Oscillator up to 15 MHz

• Two Programmable 16-bit Dividers Adjustable from 2 to 65535

• Fine Tuning Steps

–AM

≥ 1 kHz

–FM

≥ 2 kHz

• Four Programmable Switching Outputs (Open Drain up to 15V)

• Integrated Loop-push-pull Stage for AM/FM

• High Signal/Noise Ratio

1.

Description

The ATR4285 is an integrated circuit in BiCMOS technology for frequency synthesiz-

ers. It performs all the functions of a PLL radio tuning system and is controlled by a

2-wire bus. The device is designed for all frequency synthesizer applications in radio

receivers, as well as for RDS (Radio Data System) applications.

AM/FM PLL with

4 Switches

ATR4285

Rev. 4884A–AUDR–08/05

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