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MFG:PHILIPS  Package Cooled:DIP  

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Part Number: SAA6579

 

MFG: PHILIPS

Package Cooled: DIP

 

Description: The integrated CMOS circuit SAA6579 is an RDS demodulator. It recovers the additional inaudible RDS in...


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SAA6579 General Description


The integrated CMOS circuit SAA6579 is an RDS demodulator. It recovers the additional inaudible RDS information which is transmitted by FM radio broadcasting. The data signal RDDA and the clock signal RDCL are provided as outputs for further processing by a suitable decoder (microcomputer).

The operational functions of the device are in accordance with the "CENELEC EN 50067".

SAA6579 Maximum Ratings

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VDDA analog supply voltage (pin 5)   0 6 V
VDDD digital supply voltage (pin 12)   0 6 V
Vn voltage on all pins; grounds excluded   -0.5 VDDX + 0.5 V
Tstg storage temperature   -40 +150 °C
Tamb operating ambient temperature   -40 +85 °C
Ves electrostatic handling for all pins except
pins 9 and 10
note 1 ±300 - V
note 2 +1500 -3000 V

Notes
1. Equivalent to discharging a 200 pF capacitor via a 0 series resistor.
2. Equivalent to discharging a 100 pF capacitor via a 1.5 k series resistor.

SAA6579 Features

· Anti-aliasing filter (2nd order)
· Integrated 57 kHz band-pass filter (8th order)
· Reconstruction filter (2nd order)
· Clocked comparator with automatic offset compensation
· 57 kHz carrier regeneration
· Synchronous demodulator for 57 kHz modulated RDS signals
· Selectable 4.332/8.664 MHz crystal oscillator with variable dividers
· Clock regeneration with lock on biphase data rate
· Biphase symbol decoder with integrate and dump functions
· Differential decoder
· Signal quality detector
· Subcarrier output.

SAA6579 Connection Diagram

SAA6579  Connection Diagram

SAA6579 datasheet

SAA6579
PDF/DataSheet Download

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