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DATA SHEET

BIPOLAR ANALOG INTEGRATED CIRCUIT

碌

PC1854A

I

2

C BUS-COMPATIBLE US MTS PROCESSING LSI

The

碌

PC1854A is an integrated circuit for US MTS (Multichannel Television Sound) system with the addition of

the I

2

C bus interface. All functions required for US MTS system are incorporated on a single chip.

The

碌

PC1854A allows users to switch modes and adjust filter and separation circuits through the I

2

C bus.

FEATURES

鈥?Stereo demodulation, SAP (Sub Audio Program) demodulation, dbx noise reduction decoding, and I

2

C bus

interface incorporated on a single chip

鈥?Mode switching and filter/separation adjustments through the I

2

C bus

鈥?Power supply: 8 V to 10 V

鈥?On-chip input attenuator for simple interface with intermediate frequency processing IC (I

2

C bus control)

鈥?Output level: 1.4 V

p-p

(with L+R signals, 100% modulation)

APPLICATIONS

鈥?TV sets and VCRs for north America

ORDERING INFORMATION

Part Number

Package

28-pin plastic SDIP (10.16 mm (400))

28-pin plastic SOP (9.53 mm (375))

碌

PC1854ACT

碌

PC1854AGT

The

碌

PC1854A is available only to licensees of THAT Corporation.

For information, please call: (508) 229-2500 (U.S.A.), or (03) 5790-5391 (Tokyo).

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all devices/types available in every country. Please check with local NEC representative for availability

and additional information.

Document No. S12816EJ3V0DS00 (3rd edition)

Date Published June 2000 N CP(K)

Printed in Japan

The mark

shows major revised points.

漏

1997

next

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