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Datasheet

SAA6588
(Product Specification)
14-Jan-02, 32 pages, 146 kB

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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.

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 x 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 Cel).


Products/packages

Type numberNorth American Type numberOrdering code (12NC)Product statusPackagePackingMarkingChemical contentLeadfree conversion date
SAA6588T/V2SAA6588TD-T9352 613 91518Volume productionSOT163-1
(SO20)
Reel Dry Pack, SMD, 13"Standard MarkingSAA6588T/V2
week 51, 2004
SAA6588T/V2SAA6588TD9352 613 91512Volume productionSOT163-1
(SO20)
Tube Dry PackStandard MarkingSAA6588T/V2
week 51, 2004

Pricing/ordering/availability

Type numberOrdering code(12NC)Indicative price/unit($)RegionDistributorIn stockInventory dateBuy onlineSamples
SAA6588T/V29352 613  91518       not available
SAA6588T/V29352 613  91512  NADIGI-KEY CORPORATION2,53012/3/2008 Buy online not available

Block diagrams/pinning

Parametrics/similar products

Type numberPackageDescription
SAA6588T/V2SOT163-1
(SO20)
R(B)DS pre-processor


Similar products
SAA6588 links to the similar products page containing an overview of products that are similar in function or related to the type number(s) as listed on this page. The similar products page includes products from the same catalog tree(s), relevant selection guides and products from the same functional category.

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