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ATR4256

ATMEL Corporation
Part Number ATR4256
Manufacturer ATMEL Corporation
Description Frequency Synthesizer
Published Mar 1, 2010
Detailed Description com Features • • • • • • • • • • • Reference Oscillator up to 15 MHz (Tuned) Oscillator Buffer Output (...
Datasheet PDF File ATR4256 PDF File

ATR4256
ATR4256

Overview
com 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 Integrated Loop Push-pull Stage 3-wire Bus (Enable, Clock and Data; 3V and 5V Microcontrollers Acceptable) Four Programmable Switching Outputs (Open Drain) Three DACs for Software Controlled Tuner Alignment Low-power Consumption High Signal to Noise Ratio (SNR) Integrated Band Gap – Only One Supply Voltage Necessary 1.
Description The ATR4256 is a synthesizer IC for FM receivers and an AM up-conversion system in BiCMOS technology.
Together with the AM/FM IC ATR4...


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