TEA5767HN Просмотр технического описания (PDF) - Philips Electronics

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TEA5767HN

Low-power FM stereo radio for handheld applications

Philips Electronics 

TEA5767HN

Low-power FM stereo radio for handheld applications

Rev. 04 — 20 February 2006

Product data sheet

1. General description

The TEA5767HN is a single-chip electronically tuned FM stereo radio for low-voltage

applications with fully integrated IF selectivity and demodulation. The radio is completely

adjustment-free and only requires a minimum of small and low cost external components.

The radio can be tuned to the European, US and Japanese FM bands.

2. Features

I High sensitivity due to integrated low-noise RF input amplifier

I FM mixer for conversion to IF of the US/Europe (87.5 MHz to 108 MHz) and Japanese

(76 MHz to 91 MHz) FM band

I Preset tuning to receive Japanese TV audio up to 108 MHz

I RF Automatic Gain Control (AGC) circuit

I LC tuner oscillator operating with low cost fixed chip inductors

I FM IF selectivity performed internally

I No external discriminator needed due to fully integrated FM demodulator

I Crystal reference frequency oscillator; the oscillator operates with a 32.768 kHz clock

crystal or with a 13 MHz crystal and with an externally applied 6.5 MHz reference

frequency

I PLL synthesizer tuning system

I I2C-bus and 3-wire bus, selectable via pin BUSMODE

I 7-bit IF counter output via the bus

I 4-bit level information output via the bus

I Soft mute

I Signal dependent mono to stereo blend [Stereo Noise Cancelling (SNC)]

I Signal dependent High Cut Control (HCC)

I Soft mute, SNC and HCC can be switched off via the bus

I Adjustment-free stereo decoder

I Autonomous search tuning function

I Standby mode

I Two software programmable ports

I Bus enable line to switch the bus input and output lines into 3-state mode

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