LA2787

Ordering number : ENN*7871 a LA2787 D w w Overview . w S a t e e h U 4 t m o .c Monolithic Linear IC Dolby Pro Logic Surround Decoder The LA2787 is a Dolby Pro Logic Surround decoder. Functions High-performance matrix. Wide dynamic range. Low distortion factor. Full bypass mode. Digital auto balance. Digital noise sequencer. Center trim external input. L+R+C mix output. Specifications Maximum Ratings at Ta = 25°C Parameter Maximum power supply voltage Allowable power dissipation Operating ambient temperature Storage ambient temperature Symbol VCC max Pd max Topr Tstg Operating Conditions at Ta = 25°C Parameter Recommended supply voltage Allowable operating voltage range Dolby level Input "H" level voltage Input "L" level voltage w w w t a .D Symbol VCC VCC range VO Dolby VIH VIL Ta ≤ 70°C S a e h U 4 t e .c m o Conditions Ratings 12 900 -20 to +70 -40 to +150 Unit V mW °C °C Conditions Ratings 9 8.5 to 10 300 3.5 to 5.5 0 to 1.0 Unit V V mVrms V V When Dolby Pro Logic surround is ON w w w .D a S a t e e h U 4 t m o .c 52504 JO IM No.7871-1/3 LA2787 Electrical Characteristics at Ta = 25°C, VCC = 9V, VI = 1kHz L, Lt = 300mV R, Rt = 300mV C, S, Lt = Rt = 300mV*0.707 S Lt, Rt Unless reverse phase is specified, it is Pro Logic ON mode (wide mode) Parameter Current dissipation Cch output level Output level variation Lch matrix rejection Cch matrix rejection Rch matrix rejection Sch matrix rejection Lch distortion factor Cch dis...