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SAA6581T Datasheet(PDF) 2 Page - NXP Semiconductors |
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SAA6581T Datasheet(HTML) 2 Page - NXP Semiconductors |
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2 / 16 page  2001 May 07 2 Philips Semiconductors Product specification RDS/RBDS demodulator 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. 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. 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. QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER MIN. TYP. MAX. UNIT VDDA analog supply voltage 4.0 5.0 5.5 V VDDD digital supply voltage 4.0 5.0 5.5 V IDD(tot) total supply current − 6.0 − mA Vi(MPX) RDS input sensitivity at pin MPX 1 −− mV fi(xtal) crystal input frequency − 4.332 − MHz − 8.664 − MHz TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION SAA6581T SO16 plastic small outline package; 16 leads; body width 7.5 mm SOT162-1 |
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