SC6579 データシートの表示（PDF） - Silan Microelectronics
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SC6579 Datasheet PDF : 9 Pages
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Silan
Semiconductors
SC6579
PIN DESCRIPTION
Pin no. Symbol
Function
1
QUAL
Quality indication output
2
RDDA
RDS data output
3
Vref
Reference voltage output (0.5 VDDA )
4
MUX
Multiplex signal input
5
VDDA
+5 V supply voltage for analog part
6
VSSA
Ground for analog part (0V)
7
CIN
Subcarrier input to comparator
8
SCOUT Subcarrier output of reconstruction filter
9
MODE
Oscillator mode/test control input
10
TEST
Test enable input
11
VSSD
Ground for digital part (0V)
12
VDDD
+5 V supply voltage for digital part
13
OSCI
Oscillator input
14
OSCO
Oscillator output
15
T57
57 kHz clock signal output
16
RDCL
RDS clock output
QUICK REFERENCE DATA
SYMBOL
VDDA
VDDD
Itot
Vi(rms)
VOH
VOL
PARAMETER
Analog Supply Voltage (pin 5)
Digital Supply Voltage (pin 12)
Total Supply Current
RDS Input Amplitude (RMS value; pin 4)
HIGH-level Output Voltage for Signals
RDDA, RDCL, QUAL and T57
LOW-level Output Voltage for Signals
RDDA, RDCL, QUAL and T57
Tamb
Operating Ambient Temperature
MIN.
3.6
3.6
--
1
4.4
--
-40
TYP.
5.0
5.0
6
--
--
--
--
MAX.
5.5
5.5
--
--
--
0.4
+85
UNIT
V
V
mA
mV
V
V
°C
FUNCTION DESCRIPTION
The SC6579 is a demodulator circuit for RDS applications. It contains a 57 kHz bandpass filter and a digital
demodulator to regenerate the RDS data stream out of the multiplex signal (MPX).
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2001.12.30
5
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