UPC1854A

DATA SHEET BIPOLAR ANALOG INTEGRATED CIRCUIT µPC1854A I2C BUS-COMPATIBLE US MTS PROCESSING LSI The µPC1854A is an integrated circuit for US MTS (Multichannel 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 µPC1854A allows users to switch modes and adjust filter and separation circuits through the I2C bus. FEATURES Stereo demodulation, SAP (Sub Audio Program) demodulation, dbx noise reduction decoding, and I2C bus interface incorporated on a single chip Mode switching and filter/separation adjustments 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) APPLICATIONS 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)) µPC1854ACT µPC1854AGT The µPC1854A 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) Dat...