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T4260 - AM/FM Front End IC

General Description

The T4260 is an advanced AM/FM receiver with integrated fast PLL as a single-chip solution based on Atmel®’s high-performance BICMOS II technology.

The low-impedance driver at the IF output is designed for the A/D of a digital IF.

Key Features

  • AM/FM Tuner Front End with Integrated PLL AM Up-conversion System (AM-IF: 10.7 MHz) FM Down-conversion System (FM-IF: 10.7 MHz) IF Frequencies up to 25 MHz Fine-tuning Steps: AM = 1 kHz and FM = 50 kHz/25 kHz/12.5 kHz Fast Fractional PLL (Lock Time < 1 ms) Inclusive Spurious Compensation Fast RF-AGC, Programmable in 1-dB Steps Fast IF-AGC, Programmable in 2-dB Steps Fast Freque.

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Other Datasheets by Atmel (now Microchip Technology)

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com Features • • • • • • • • • • • • AM/FM Tuner Front End with Integrated PLL AM Up-conversion System (AM-IF: 10.7 MHz) FM Down-conversion System (FM-IF: 10.7 MHz) IF Frequencies up to 25 MHz Fine-tuning Steps: AM = 1 kHz and FM = 50 kHz/25 kHz/12.5 kHz Fast Fractional PLL (Lock Time < 1 ms) Inclusive Spurious Compensation Fast RF-AGC, Programmable in 1-dB Steps Fast IF-AGC, Programmable in 2-dB Steps Fast Frequency Change by 2 Programmable N-divider Two DACs for Automatic Tuner Alignment High S/N Ratio 3-wire Bus (Enable, Clock and Data; 3V and 5V Microcontrollers-compatible) AM/FM Front End IC T4260 1. Description The T4260 is an advanced AM/FM receiver with integrated fast PLL as a single-chip solution based on Atmel®’s high-performance BICMOS II technology.