VA9201 Datasheet | Viva Electronics

Description Features The VA9201 is a multi-function, high-power Class Stereo Class D Amplifier D stereo audio power amplifier featured with inte- - Operating Voltage from 6V to 22.5V grated of one current-mode boost controller. - 8Ω Speaker: VA9201 is capable of delivering continuous 20W - 20W@17.5V with 7% THD+N (heat-sink) stereo output at 18V boosted supply and 30W/8Ω - 30W@22.5V with 2% THD+N (heat-sink) output at 22.5V boosted supply per channel within - Fully Differential Input 10% distortion. With the filter-less output filter de- - Programmable Gain by External Resistors sign and fully differential input, VA9201 is ideal to - Excellent EMI Performance provide excellent sound quality with good RF noise - Fixed 400k Hz Operation immunity on portable electronics devices. - BD/1SPW Mode Operation - Short Circuit and Thermal protection VA9201 integrates a current-mode boost controller Boost Controller with fast response and high efficiency. With 6V to - Remended Input and Output Configura- 13.2V input voltage, it could boost the lower input tion: voltage such as single cell Li-ion battery output to a. 6V~13.2V Input for 18V Audio PVDD higher and then makes the audio amplifier oper- b.9V~13.2V Input for 22.5V Audio PVDD ates at higher voltage to reduce the distortion. Package - Ro HS 2.0 pliant TQFP-48 Green Package The VA9201 is available in TQFP-48 green pack- with Exposed Pad age with exposed pad. Typical Application Applications - Battery Powered Portable Speakers VA9201 Rev P.02 1 http://.viva-elec..tw Pin Assignments And Descriptions 48 GND 47 ISEN 46 NC 45 VIN 44 FADJ 43 DR 42 PGND 41 P 40 FB 39 AGND 38 GND 37 GAIN LINP 1 LINN 2 MUTE 3 TEST 4 GND 5 GND 6 SYNC 7 AVCC 8 PVCC 9 PVCC 10 BSNL 11 OUTNL 12 7x7 TQFP-48 Exposed Pad 36 VREG 35 PLIMIT 34 RINN 33 RINP 32 FAULT_B 31 SD_B 30 MODSEL 29 NC 28 PVCC 27 PVCC 26 BSPR 25 OUTPR OUTNL 13 GND 14 GND 15 OUTPL 16 OUTPL 17 BSPL 18 BSNR 19 OUTNR 20 OUTNR 21 GND 22 GND 23...