VA9105 Datasheet | Viva Electronics

Description Features The VA9105 is a cost-effective, space saving filterless Class D mono audio power amplifier featured with integrated of one current-mode boost controller. VA9105 is capable of delivering continuous 20W output at 18V boosted supply within 10% distortion at 8Ω load. With the filter-less output filter design and fully differential input, VA9105 is ideal to provide excellent sound quality with good RF noise immunity on portable electronics devices. VA9105 integrates a current-mode boost controller with fast response and high efficiency. With 6V to 13.2V input voltage, it could boost the lower input voltage such as single cell Li-ion battery output to higher and then makes the audio amplifier operates at higher voltage to reduce the distortion. The VA9105 is available in cost-effective TSSOP-28 green package with exposed pad. Mono Class D Amplifier - Operation Voltage from 6V to 20V - 8Ω Speaker: - 20W@18V with 8.5% THD+N - Fully Differential Input - Programmable Two Gains - Configurable Output Power Limit - Excellent EMI Performance - Short Circuit and Thermal protection Boost Controller - Input Voltage From 6V to 13.2V - Adjustable output Voltage: from 6V to 20V - Up to 90% Efficiency - Adjustable PWM Frequency Package - Ro HS 2.0 pliant TSSOP-28 Green Pack- age with Exposed Pad Typical Application Applications - Battery Powered Portable Speakers VA9105 Rev P.05 1 http://.viva-elec..tw Pin Assignments And Descriptions TSSOP-28EP Top View SD_B AGND AGND GAIN AVDD...