SAA6581T PDF даташит
Спецификация SAA6581T изготовлена «NXP Semiconductors» и имеет функцию, называемую «RDS/RBDS demodulator». |
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Детали детали
Номер произв | SAA6581T |
Описание | RDS/RBDS demodulator |
Производители | NXP Semiconductors |
логотип |
16 Pages
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INTEGRATED CIRCUITS
DATA SHEET
SAA6581T
RDS/RBDS demodulator
Product specification
File under Integrated Circuits, IC01
2001 May 07
No Preview Available ! |
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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Philips Semiconductors
RDS/RBDS demodulator
BLOCK DIAGRAM
Product specification
SAA6581T
handbook, full pagewidth
560 pF
SCOUT C6 CIN
87
+5 V
VDDD
12
C7
100 nF
10 SYNC
multiplex C1 MPX 4
input
330 pF
57 kHz
8th ORDER
BANDPASS FILTER
CLOCKED
COMPARATOR
16 RDCL
RDS/RBDS
DEMODULATOR 2 RDDA
SAA6581T
SIGNAL QUALITY 1 QUAL
DETECTOR
+5 V
C2
100 nF
VDDA 5
POWER
SUPPLY
AND RESET
6
VSSA
3
Vref
C3
2.2 µF
TEST
CONTROL
OSCILLATOR
AND CLOCK
15
TCON
9
MODE
13
OSCI
14
OSCO
C4 C5
47 pF Q1 56 pF
11
VSSD
MHB899
Fig.1 Block diagram.
2001 May 07
3
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Номер в каталоге | Описание | Производители |
SAA6581 | RDS/RBDS demodulator | NXP Semiconductors |
SAA6581T | RDS/RBDS demodulator | NXP Semiconductors |
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