LV1041

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-i...