1. Introduce SL-BD02 is new stereo class T amplifier with bluetooth, it is 20W(4ohm) continuous average per channel class-T digital audio power amplifier, use Tripath's proprietary power processing technology, class-T amplifiers offer both the audio fidelity of Class-AB and the power efficiency of class-D amplifier. Bluetooth wireless receive audio signal. 2. Application • Power speaker • Digital product • Computer and PC multimedia • Television • Battery powered system • DVD player 3. Feature A. Amplifier • “Audiophile ”quality sound 0.03% THD+N @10W 4ohm 0.1% THD+N@12W 4ohm 0.18% IHF+IM@1W 4ohm • High power 25W@4 ohm,10% THD+N Vdd=14.6V 22W@4 ohm,10% THD+N Vdd=13.5V 13W@8ohm ,10% THD+N Vdd=13.5V • Class-T architecture • High efficiency 88% @12W 8ohm 81% @ 20W 4ohm • Dynamic range=99dB • Mute and sleep Input • Integrated Gate Drive Supply　 • Over-current protection • Over-temperature protection • IC package: 32-pin SSOP • PCB material is FR4, thickness 1.6MM • The dimension is 130.5mm*69mm B. Bluetooth • Compliant with Bluetooth Specification v.2.1+EDR in2.4GHz ISM band • Built in internal ROM or 4M flash for program memory • Built in 32KB RAM for data storage and base band data transfer buffering • High performance stereo CODEC to handle voice and audio applications • SBC or MP3 encoding/decoding functions are also carried out by audio processor to satisfy A2DP requirements. • Encryption Pause and Resume　 • Erroneous Data Reporting • Extended Inquiry Response • Link Supervision Timeout Changed Event • Non-Flushable Packet Boundary Flag • Secure Simple Pairing • Adaptive Frequency Hopping(AFH) avoids occupied RF channels • Fast Connection supported • 0dBm output power with level control 13dB from register control • Build in channel filter • 16bit/32bit run time configurable audio processor