STA529

www.DataSheet4U.com STA529 2 x 100 mW class-D amplifier with analog or digital input 2.0 multichannel digital audio processor with FFX Data Brief Features ■ ■ ■ ■ ■ ■ ■ Up to 96 dB dynamic range Sample rates from 8 kHz to 192 kHz FFXTM class-D driver 1.5 V to 1.95 V digital power supply 1.5 V to 1.95 V analog power supply 18-bit audio processing and class-D FFXTM modulator Digital volume control: – +36 dB to 105 dB in 0.5 dB steps – Software volume update Individual channel and master gain/attenuation Automatic invalid input detect mute 2-channel I2S input/output data interface Digitally controlled POP-free operation Input and output channel mapping 250 mΩ output CMOS Rdson > 90% efficiency Stereo headphone plus mono speaker application: – 50 mW stereo into 32 Ω headphone – 100 mW stereo into 16 Ω headphone TFBGA48 ■ ■ ■ ■ ■ ■ ■ ■ VFQFPN52 Order codes Part number STA529B STA529Q Package TFBGA48 VFQFPN52 Packaging Tube Tube December 2006 Rev 1 1/4 www.st.com 1 For further information contact your local STMicroelectronics sales office. Introduction STA529 Introduction The STA529 is a digital stereo class-D audio amplifier. It includes an audio DSP, a ST proprietary high-efficiency class-D driver and CMOS power output stage. It is intended for high-efficiency digital-to-power-audio conversion for portable applications. The STA529 also provides output capabilities for FFXTM. In conjunction with a power device, the STA529 provides high-quality digital amplification. T...