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STA335ML Folha de dados(PDF) 1 Page - STMicroelectronics |
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STA335ML Folha de dados(HTML) 1 Page - STMicroelectronics |
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1 / 20 page  July 2011 Doc ID 17638 Rev 4 1/20 20 STA335ML 2-channel microless high-efficiency digital audio system Sound Terminal® Features ■ Wide supply voltage range (5.0 V to 26 V) ■ PowerSSO-36 exposed pad down package ■ 2 channels of 24-bit DDX® ■ 100-dB SNR and dynamic range ■ Selectable 32 kHz to 48 kHz input sample rates ■ Automatic zero-detect mute ■ Automatic invalid input detect mute ■ 2-channel I2S input data interface ■ Selectable clock input ratio (256 or 364 * fs) ■ Max power correction for lower full power ■ 96-kHz internal processing sample rate, 24-bit precision ■ Thermal overload and short-circuit protection embedded ■ Filterless configuration capability Applications ■ LCDs ■ DVDs ■ Cradles ■ Digital speakers ■ Wireless speaker cradles Description The STA335ML is a single die embedding digital audio processing and high-efficiency power amplification, capable of operating without the aid of an external microcontroller. The STA335ML is part of the Sound Terminal® family that provides full digital audio streaming to the speakers and offers cost effectiveness, low power dissipation and sound enrichment. The STA335ML combines a unique 24-bit DDX® digital class-D ternary modulator together with an extremely low RdsON stereo power DMOS stage. The latter is capable of a total output power of 2 x 20 W with outstanding performance in terms of efficiency (>90 %), THD, SNR and EMI. The microless feature allows its use in low-cost applications (cradle, digital speakers, audio terminals) where no microcontroller is needed. The serial audio data interface accepts the universally used I2S format. Basic features, such as oversampling clock, gain, I2S format can be set using a minimal number of selection pins. The STA335ML is self-protected against thermal overload, overcurrent, short-circuit and overvoltage conditions. The fault condition is also signalled on an external pin (INT_LINE) for specific requirements. PowerSSO-36 with exposed pad down (EPD) Table 1. Device summary Order code Package Packaging STA335MLJ PowerSSO-36 EPD Tube STA335MLJ13TR PowerSSO-36 EPD Tape and reel www.st.com |
Nº de peça semelhante - STA335ML |
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Descrição semelhante - STA335ML |
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