STEVAL-CCA048V1

STA333ML 2-channel microless high-efficiency digital audio system Sound Terminal Datasheet - production data Wireless speaker cradles Description The STA333ML is a single die embedding digital audio processing and high-efficiency power PowerSSO-36 amplification, capable of operating without the aid with exposed pad down (EPD) of an external microcontroller. The STA333ML is part of the Sound Terminal family that provides full digital audio streaming to Features the speakers and offers cost effectiveness, low Wide supply voltage range (4.5 - 20 V) power dissipation and sound enrichment. 2 x 20 W into 8 at V = 18 V CC The STA333ML combines a unique 24-bit DDX PowerSSO-36 exposed pad package digital class-D ternary modulator together with an extremely low R stereo power DMOS stage. 2 channels of 24-bit DDX dsON The latter is capable of a total output power of 100-dB SNR and dynamic range 2 x 20 W with outstanding performance in terms Selectable 32 kHz to 48 kHz input sample of efficiency (>90%), THD, SNR and EMI. rates The microless feature allows its use in low-cost Automatic zero-detect mute applications (cradles, digital speakers, audio Automatic invalid input detect mute terminals) where no microcontroller is needed. 2 2-channel I S input data interface The serial audio data interface accepts the 2 universally used I S format. Basic features, such Selectable clock input ratio (256 or 364 * fs) 2 as the oversampling clock, gain, and I S format, Max power correction for lower full power can be set using a minimal number of selection 96 kHz internal processing sample rate, 24-bit pins. The STA333ML is self-protected against precision thermal overload, overcurrent, short-circuit and overvoltage conditions. Embedded thermal overload and short-circuit protection The fault condition is also signalled on an external Filterless configuration option pin (INT LINE) for specific requirements. Applications LCDs DVDs Cradles Digital speakers Table 1. Device summary Order code Package Packaging STA333ML13TR PowerSSO-36 EPD Tape and reel March 2019 DocID13177 Rev 8 1/23 This is information on a product in full production. www.st.comContents STA333ML Contents 1 Block diagram 4 2 Pin description . 5 3 Electrical specifications 7 3.1 Absolute maximum ratings . 7 3.2 Thermal data . 7 3.3 Recommended operating condition 7 3.4 Electrical specifications - digital section . 8 3.5 Electrical specifications - power section . 8 3.6 Power-on sequence . 10 3.7 Test circuits 10 4 Functional description 11 4.1 Serial audio interface protocols .11 4.2 Fault-detect recovery bypass 12 4.3 Zero-detect mute enable . 12 4.4 Fade-in/out feature 12 4.5 Oversampling selector . 12 4.6 Gain selector 12 4.7 Power-down function 12 5 Applications . 13 5.1 Applications schematic . 13 5.2 Internal voltage reference . 15 5.3 PLL filter schematic . 15 5.4 Typical output configuration . 16 6 Package thermal characteristics 18 7 Package information 19 8 Package mechanical data 20 2/23 DocID13177 Rev 8