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NEC - UPC1851BCU

Numéro de référence C1851BCU
Description UPC1851BCU
Fabricant NEC 
Logo NEC 





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C1851BCU fiche technique
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DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC1851B
I2C BUS-COMPATIBLE US MTS PROCESSING LSI
The µPC1851B is an integrated circuit for US MTS (Multiplexed Television Sound) system with the addition of
the I2C bus interface. All functions required for US MTS system are incorporated on a single chip.
The µPC1851B allows users to switch modes, control volume and tone, and adjust the separation circuit
through the I2C bus.
FEATURES
• Stereo demodulation, SAP (Sub Audio Program) demodulation, dbx noise reduction decoding, I2C bus interface,
input selector (2 channels), surround processor (1 phase), volume and tone control circuits incorporated on a single
chip
• Mode switching, volume and tone control, and separation adjustment through the I2C bus
• Power supply: 8 V to 10 V
• On-chip input attenuator for simple interface with intermediate frequency processing IC (I2C bus control)
• Output level: 1.4 Vp-p (with L+R signals, 100 % modulation)
APPLICATION
• TV sets and VCRs for north America
ORDERING INFORMATION
Part Number
µPC1851BCU
Package
42-pin plastic SDIP (15.24 mm (600))
The µPC1851B 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. S13417EJ2V0DS00 (2nd edition)
Date Published June 2000 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1998

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