UPC2539 查看數據表（PDF） - NEC => Renesas Technology

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UPC2539

RDS DATA DEMODULATOR IC

NEC => Renesas Technology 

PRELIMINARY DATA SHEET

Bi-CMOS INTEGRATED CIRCUIT

µPC2539

RDS DATA DEMODULATOR IC

The µPC2539 is data demodulator IC for FM receiver applying to Radio Data System in European countries and

Radio Broadcasting Data System in USA.

This IC carries out to extract 57kHz RDS signal from FM multiplex signal, demodulate data-stream, recover

bit-rate-clock, and discriminate SK signal in ARI system.

FEATURES

• Adjustment-free

• Built-in 57kHz band-pass-filter consist of switched capactiors.

• High sensitivity.

• Employing digital PLL.

• Small outline plastic package

ORDERING INFORMATION

Part Number

Package

µPC2539GS

24-pin plastic SOP (300 mil)

BLOCK DIAGRAM

24 23 22 21 20 19 18 17 16 15 14 13

COSTAS

BIPHASE

DECODER

DIFFERENTIAL

DECODER

57kHz BPF

SK DET

CLOCK

RECOVERY

OSC

1

2

3

4

5

6

7

8

9

10

11 12

The information in this document is subject to change without notice.

Document No. S11570EJ1V0DS00 (1st edition)

Date Published May 1996 P

Printed in Japan

©

1996

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