Overview
The LV1035M is a Dolby ProLogic surround signal-processing IC that combines the functionality of the LV1016 and LA2786 products. The LV1035M allows systems that provide both Dolby ProLogic surround functionality and a wide range of additional digital surround functions to be constructed with a single IC.

FEATUREs
• ProLogic surround decoder implemented in a single chip
• Wide dynamic range
• All modes can be controlled over a serial data control interface using clock, data, enable signals.

Functions
• Adaptive matrix
• Center mode control (normal, phantom, and wide)
• 4-channel/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 (50, 40, 30, 25, 20, 15 ms)
• New A/D and D/A converter circuits adopted.
• Dolby B noise reduction
• On-chip I/O filters
• Built-in VDD circuit
• Surround trim (0 to –31 dB) in 1-dB steps
• Input and output muting functions