SAA6581T 데이터 시트보기 (PDF) - Philips Electronics
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SAA6581T Datasheet PDF : 16 Pages
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Philips Semiconductors
RDS/RBDS demodulator
Product specification
SAA6581T
FEATURES
• Integrated switched capacitor filter
• Demodulates European Radio Data System (RDS) or
the USA Radio Broadcast Data System (RBDS) signals
• Oscillator frequencies: 4.332 or 8.664 MHz
• Integrated ARI clamping
• CMOS device
• Single supply voltage: 5 V
• Extended temperature range: −40 to +85 °C
• Low number of external components.
APPLICATIONS
The RDS/RBDS system offers a large range of
applications from the many functions that can be
implemented. For car radios the most important are:
• Program Service (PS) name
• Traffic Program (TP) identification
• Traffic Announcement (TA) signal
• Alternative Frequency (AF) list
• Program Identification (PI)
• Enhanced Other Networks (EON) information.
GENERAL DESCRIPTION
The RDS/RBDS demodulator is a CMOS device with
integrated filtering and demodulating of RDS/RBDS
signals coming from a multiplexed input data stream. Data
signal RDDA and clock signal RDCL are provided as
outputs for further processing by a suitable
microcomputer, for example CCR921 and CCR922.
The SAA6581T replaces SAA6579 in function and
pin-compatibility.
QUICK REFERENCE DATA
SYMBOL
VDDA
VDDD
IDD(tot)
Vi(MPX)
fi(xtal)
PARAMETER
analog supply voltage
digital supply voltage
total supply current
RDS input sensitivity at pin MPX
crystal input frequency
MIN.
4.0
4.0
−
1
−
−
TYP.
5.0
5.0
6.0
−
4.332
8.664
MAX.
5.5
5.5
−
−
−
−
UNIT
V
V
mA
mV
MHz
MHz
ORDERING INFORMATION
TYPE
NUMBER
SAA6581T
NAME
SO16
PACKAGE
DESCRIPTION
plastic small outline package; 16 leads; body width 7.5 mm
VERSION
SOT162-1
2001 May 07
2
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