SAA6581 데이터 시트보기 (PDF) - NXP Semiconductors.

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SAA6581

RDS/RBDS demodulator

NXP Semiconductors. 

Philips Semiconductors

RDS/RBDS demodulator

Product specification

SAA6581

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

SAA6581HN

PACKAGE

NAME

DESCRIPTION

SO16

HVQFN32

plastic small outline package; 16 leads; body width 7.5 mm

plastic thermal enhanced very thin quad flat package; no leads;

32 terminals; body 5 × 5 × 0.85 mm

VERSION

SOT162-1

SOT617-1

2003 Oct 10

2

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