DESCRIPTION

· The Si2704/05/06/07 is a 2.1 digital audio processing Class D amplifier with EMI mitigation.

· It integrates a power stage, PWM DAC, and digital audio processing for efficient system designs.

· Features delta-sigma PWM and EMI mitigation technology for high-quality audio and reduced noise.

FEATURES

· Patent-pending EMI mitigation and AM radio band noise-free notch.

· GSM/iPhone friendly with wideband PWM carrier spreading.

· 2x 5 W @ 3 Ω BTL; 2x 3 W @ 8 Ω BTL with 88% efficiency and >50 dB PSRR.

· 95 dB dynamic range and <0.1% THD with stereo PWM DAC line analog outputs.

· Master/slave I2S with 3 inputs & 1 output, automatic digital audio rate detection.

· Operates from external XTAL or clock, buffered master/regulator clock output.

· Programmable 7 band parametric EQ, dynamic range compressor, tone control.

· 128 dB volume control in 0.5 dB steps, multiple low power operating modes.

· Over-current and over-temperature detection with auto recovery.

· Pop and click free operation, standard 2-wire control with 2 addresses.

· Dual supply voltage: 2.7–3.6 V main and 4.0–6.6 V power stage.

· Available in 4x4 24-pin Power QFN and 7x7 48-pin Power eTQFP package, Pb-free/RoHS compliant.

APPLICATIONS

· PMP/MP3 docking stations and portable consumer audio electronics.

· Table top and portable radios, active/wireless speakers.

· TVs and monitors, TV sound bars.