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C1851BCU Datasheet(PDF) 1 Page - NEC |
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C1851BCU Datasheet(HTML) 1 Page - NEC |
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1 / 60 page  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 Package µPC1851BCU 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. The mark shows major revised points. © 1998 DATA SHEET Document No. S13417EJ2V0DS00 (2nd edition) Date Published June 2000 N CP(K) Printed in Japan |
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