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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 ...

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SeekIC No. : 004483952 Detail

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...

SAA6579 Data Sheet

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Part Number:
SAA6579
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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.


Pinout

Connection Diagram


Specifications

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.


Description

The integrated CMOS circuit SAA6579 is an RDS demodulator. SAA6579 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 SAA6579 are in accordance with the "CENELEC EN 50067".




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