BA7786FP-Y

Multimedia ICs Headphone / speaker amplifier for notebook computers BA7786FP-Y / BA7787FS The BA7786FP-Y and BA7787FS are sound amplifiers designed for notebook computers, and contain a suspend function and input pins for the system beep and PM beep sounds used by notebook computers. In short, this singlechip IC contains all the analog audio components needed for notebook computers. Product BA7786FP-Y BA7787FS H.P.amp Stereo Stereo S.P.amp Stereo Monaural Other functions SYSTEM / PM BEEP input, SUSPEND, EVR, MUTE, BEEP level control Applications Notebook computers Features 1) Stereo headphone amplifier that supports mixing input, along with a stereo speaker amplifier (BA7786FP-Y) or BTL monaural speaker amplifier (BA7787FS). 2) Internal anti-pop circuit, to prevent the popping sounds that occur when the power is turned on and off. 3) Internal electronic volume switch and mute circuit. 4) Separate suspend modes for the headphone amplifier and speaker amplifier, for low-power-consumption computers . 5) Two beep input pins, a necessity for notebook computers. Absolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation BA7786FP-Y BA7787FS Symbol VCC Pd Topr Tstg Limits 6 850∗1 600∗2 – 10 ~ + 70 – 55 ~ + 125 Unit V mW °C °C Operating temperature Storage temperature ∗1 Reduced by 6.8mW for each increase in Ta of 1°C over 25°C. ∗2 Reduced by 6.0mW for each increase in Ta of 1°C over 25°C. Recommended operating conditions (Ta = 25°C) Parameter ...