مدار مجتمع (آی سی) آی‌سی صوتی ویژه

Product Attributes

Features

• Input multiplexer
• QD0 to QD3: quasi-differential stereo input SE0 to SE4: stereo single-ended input
• Loudness order frequency response Programmable center frequency (400 Hz/800 Hz/2400 Hz) 15 dB with 1 dB steps Selectable high frequency boost
• Selectable flat-mode (constant attenuation)
• Volume +23 dB to -23 dB with 1 dB step resolution Soft-step control with programmable blend times
• Bass 2nd order frequency response Programmable center frequency (60/70/80/100/110/120/130/150 Hz) Q programmable 1.0/1.25/1.5/2.0 DC gain programmable -15 to 15 dB range with 1 dB resolution Soft-step control with programmable blend times
• Middle 2nd order frequency response Programmable center frequency (500 Hz/1 kHz/1.5 kHz/2 kHz) Q programmable 1.0/2.0 -15 to 15 dB range with 1 dB resolution Soft-step control with programmable blend times
• Treble 2nd order frequency response Center frequency programmable in 4 steps (10/12.5/15/17.5 kHz)
• -15 to 15 dB range with 1 dB resolution Soft-step control with programmable blend times
• High pass filter 2nd order frequency response - Programmable cut off frequency (50/60/80/100/120/150/180/220 Hz)
• Low pass filter 2nd order low pass filter - Programmable cut off frequency (50 Hz/60 Hz/80 Hz/100 Hz/120 Hz)
• Speaker 6 independent soft-step speaker controls +23 dB to -79 dB with 1 dB steps Soft-step control with programmable blend times
• Output driver Four dedicated outputs for an internal (onboard) power amplifier. Six 3.55 VRMS line-driver outputs for an external (remote) power amplifier
• Mute functions Direct mute Main/Sub channel: digitally controlled softmute with 4 programmable mute-times (0.5 ms/4 ms/8 ms/16 ms) Speaker: digitally controlled soft-mute with 4 programmable mute-times (4 ms/8 ms/32 ms/64 ms)
• Spectrum analyzer 7-band, fully integrated 2nd order bandpass filter with programmable filter quality for different visual behavior - Selectable In-gain 0/2/4/6dB
• AC coupling - Three AC-coupling input - One AC-coupling output
• Offset detection - Offset voltage detection circuit for on-board power amplifier failure diagnosis