ATR4256 Datasheet - ATMEL Corporation

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ATR4256 Frequency Synthesizer

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The ATR4256 is a synthesizer IC for FM receivers and an AM up-conversion system in BiCMOS technology.

ATR4256_ATMELCorporation.pdf

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Datasheet Details

Part number:

ATR4256

Manufacturer:

ATMEL Corporation

File Size:

543.08 KB

Description:

Frequency Synthesizer

Features

* Reference Oscillator up to 15 MHz (Tuned) Oscillator Buffer Output (for AM Up/Down Conversion) Two Programmable 16-bit Dividers Fine-tuning Steps Possible Fast Response Time Due to Integrate

Applications

* It is controlled by a 3-wire bus and also contains switches and Digital to Analog Converters (DACs) for software-controlled alignment of the AM/FM tuner. The ATR4256 is the pin-compatible successor IC of U4256BM-R. Figure 1-1. Block Diagram SWO1 SWO2 SWO3 SWO4 7 Tuning 13 12 Oscillator Switching ou

ATR4256 Distributors

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ATR4256 Frequency Synthesizer ATMEL Corporation

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