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LV1041

Sanyo Semicon Device
Part Number LV1041
Manufacturer Sanyo Semicon Device
Description Dolby Prologic Decoder
Published Mar 30, 2005
Detailed Description Ordering number : EN5889 Monolithic Linear IC LV1041M Dolby Prologic Decoder Overview The LV1041M is a Dolby Prologic...
Datasheet PDF File LV1041 PDF File

LV1041
LV1041


Overview
Ordering number : EN5889 Monolithic Linear IC LV1041M Dolby Prologic Decoder Overview The LV1041M is a Dolby Prologic Surround signalprocessing IC that implements in a single chip the functions of the Sanyo LV1016 and LA2786 ICs and a master volume control for the center and surround channels.
This IC allows both systems of Dolby Prologic surround and digital surround to be formed into a single IC.
Note *: Dolby and the double D symbol are registered trademarks of the Dolby Laboratories Licensing Corporation.
This IC can only be used by Dolby licensees.
Licensing information and corresponding technical information is available from:Dolby Licensing Corporation San Francisco, CA 94103-4813 USA Features • Implements a Prologic surround decoder in a single chip.
• Wide dynamic range • All modes can be controlled from control data transmitted serially over four lines: CLOCK, DATA, ENABLE, and ENABLE2.
This function is compatible with the LV1016 and the LA2786.
Package Dimensions unit: mm 3174-QFP80E [LV1041M] Functions • • • • • • • • • • • • • • • Adaptive matrix Center mode control (normal, phantom, wide) 4/3 channel logic control Auto-balance (on/off) Prologic off mode (bypass and full bypass) Center trim (0 to –31 dB in 1-dB steps) On-chip memory: (8K SRAM) Variable delay time: 15, 20, 25, 30, 40, or 50 ms (15, 20, 25, or 30 ms for Dolby Prologic surround) New A/D and D/A converter circuits adopted On-chip Dolby B noise reduction On-chip input and output filters Built-in VDD circuit Surround trim (0 to –31 dB in 1-dB steps) Input and output muting functions Master volume control for the center and surround channels (0 to –44 dB in –2-dB steps, –44 to –76 dB in –4-dB steps, and muted) SANYO: QIP80E SANYO Electric Co.
,Ltd.
Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg.
, 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 51898RM (OT) No.
5889-1/19 LV1041M Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable p...


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