GENERAL DESCRIPTION
The NJM2177 is a higher level integration and high quality audio performance monolithic IC designed for use in Dolby Pro Logic Surround System. The NJM2177 provides all the necessary function for a complete Pro Logic processor except time delay; Automatic input balance, noise sepuencer, adaptibve matrix, center mode control, and modified B-type noise reduction all on chip.

FEATURES
● Operating Voltage              9 to 13V
● Dolby operating level         300mVrms
● Lower Operating Current   34mA typ.
● Internal mode control switches
● Package                             SDIP-56, QFP-64