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SC6579 Datasheet

  • SC6579

  • RADIO DATA SYSTEM (RDS) DEMODULATOR

  • 273.61KB

  • 9頁

  • SILAN

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Silan
Semiconductors
RADIO DATA SYSTEM (RDS)
DEMODULATOR
DESCRIPTION
The integrated CMOS circuit SC6579 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).
SC6579
DIP-16
FEATURES
鈥?/div>
Anti-aliasing filter (2nd order)
鈥?/div>
Integrated 57 kHz band-pass filter (8th order)
鈥?/div>
Reconstruction filter (2nd order)
鈥?/div>
Clocked comparator with automatic offset compensation
鈥?/div>
57 kHz carrier regeneration
鈥?/div>
Synchronous demodulator for 57 kHz modulated RDS signals
鈥?/div>
Selectable 4.332/8.664 MHz crystal oscillator with variable
dividers
鈥?/div>
Clock regeneration with lock on bi-phase data rate
鈥?/div>
Bi-phase symbol decoder with integrate and dump functions
鈥?/div>
Differential decoder
鈥?/div>
Signal quality detector
鈥?/div>
Subcarrier output.
SOP-16
ORDERING INFORMATION
Device
SC6579
SC6579S
Package
DIP16-300-2.54
SOP-16-225-1.27
PIN CONFIGURATION
QUAL
RDDA
V
ref
MUX
V
DDA
V
SSA
CIN
SCOUT
1
2
3
4
5
6
7
8
16 RDCL
15 T57
14 OSCO
SC6579
13 OSCI
12 V
DDD
11 V
SSD
10 TEST
9 MODE
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0
2001.12.30
1

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