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SAA6588T PDF даташит

Спецификация SAA6588T изготовлена ​​​​«NXP Semiconductors» и имеет функцию, называемую «RDS/RBDS pre-processor».

Детали детали

Номер произв SAA6588T
Описание RDS/RBDS pre-processor
Производители NXP Semiconductors
логотип NXP Semiconductors логотип 

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SAA6588T Даташит, Описание, Даташиты
INTEGRATED CIRCUITS
DATA SHEET
SAA6588
RDS/RBDS pre-processor
Product specification
File under Integrated Circuits, IC01
1997 Sep 01









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SAA6588T Даташит, Описание, Даташиты
Philips Semiconductors
RDS/RBDS pre-processor
Product specification
SAA6588
FEATURES
Integrated switched capacitor filters
Demodulation of the European Radio Data System
(RDS) or the USA Radio Broadcast Data System
(RBDS) signal
RDS and RBDS block detection
Error detection and correction
Fast block synchronization
Synchronization control (flywheel)
Mode control for RDS/RBDS processing
Different RDS/RBDS block information output modes
(e.g. A-block output mode)
Fast I2C-bus interface
Multi-path detector
Signal quality detector with sensitivity adjustment
Pause detector with pause level and time adjustment
Alternatively oscillator frequency: n × 4.332 MHz
(n = 1 to 4)
UART compatible with 17.328 MHz (n = 4)
CMOS device
Single supply voltage
Extended temperature range (40 to +85 °C).
GENERAL DESCRIPTION
Today most FM radio stations in Europe and meanwhile
also many FM/AM radio broadcasting stations in the USA
transmit the inaudible European RDS (Radio Data
System) or the USA RBDS (Radio Broadcast Data
System) informations respectively. Likewise nowadays
receivers, most car radios and also some home and
portable radios on the market include at least some of the
RDS features.
The RDS/RBDS system offers a large range of
applications by its many functions to 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.
The RDS/RBDS pre-processor is a CMOS device that
integrates all RDS/RBDS relevant functions in one chip.
The IC contains filtering and demodulation of the
RDS/RBDS signal, symbol decoding, block
synchronization, error detection, error correction and
additional detectors for multi-path, signal quality and audio
signal pauses. The pre-processed RDS/RBDS information
is available via the I2C-bus.
The RDS/RBDS pre-processor replaces a number of ICs
and peripheral components used nowadays in car radio
concepts with RDS or RBDS features. The integration of
the relevant RDS/RBDS data processing functions
provides, in an economic manner, high performance of
RDS/RBDS processing and reduces the real-time
requirements for the main radio microcontroller
considerably. In addition it simplifies the development of
the RDS specific software for the main controller of the
radio set.
Compared with standard radio systems, RDS/RBDS
controlled radio systems additionally require an
RDS/RBDS demodulator with a 57 kHz band-pass filter,
information about the current reception situation (reception
quality, multi-path disturbance etc.), and additional
microcontroller power for RDS/RBDS data processing,
decoding and radio control.
The new RDS/RBDS pre-processor includes all these
specific functions and meets all requirements of a high end
RDS/RBDS radio. Moreover the timing requirements of the
set controller, regarding RDS/RBDS data processing are
reduced due to the integration of decoder functions, so
that the development of radio control software can be
concentrated specifically on radio set features.
1997 Sep 01
2









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SAA6588T Даташит, Описание, Даташиты
Philips Semiconductors
RDS/RBDS pre-processor
Product specification
SAA6588
QUICK REFERENCE DATA
SYMBOL
PARAMETER
VDDA
VDDD
IDD(tot)
Vi(MPX)
GSQ
CRGSQ
tPON(min)
fi(xtal)
analog supply voltage
digital supply voltage
total supply current
RDS input sensitivity at pin MPX
step size for signal quality input gain
control range for signal quality input gain
minimum time for pause
crystal input frequency
CONDITIONS
adjustable in 4 steps
n=1
n=2
n=3
n=4
MIN.
4.5
4.5
1
20.2
TYP.
5.0
5.0
14.0
0.6
18.6
4.332
8.664
12.996
17.328
MAX.
5.5
5.5
161.7
UNIT
V
V
mA
mV
dB
dB
ms
MHz
MHz
MHz
MHz
ORDERING INFORMATION
TYPE
NUMBER
SAA6588
SAA6588T
NAME
DIP20
SO20
PACKAGE
DESCRIPTION
plastic dual in-line package; 20 leads (300 mil)
plastic small outline package; 20 leads; body width 7.5 mm
VERSION
SOT146-1
SOT163-1
1997 Sep 01
3










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