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STA333W Datasheet(PDF) 1 Page - STMicroelectronics |
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STA333W Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 49 page  January 2010 Doc ID 13365 Rev 2 1/49 49 STA333W 2-channel high-efficiency digital audio system Sound Terminal™ Features Wide supply-voltage range (4.5 V - 20 V) 2 power output configurations – 2 channels of binary PWM (stereo mode) – 2 channels of ternary PWM (stereo mode) PowerSSO-36 with exposed pad down 2 channels of 24-bit DDX® 100-dB SNR and dynamic range Selectable 32- to 192-kHz input sample rates I2C control with selectable device address Digital gain -80 dB to +48 dB in 0.5-dB steps Software volume update Individual channel and master gain/attenuation Individual channel and master software and hardware mute Independent channel volume bypass Automatic zero-detect mute Automatic invalid input detect mute 2-channel I2S input data Interface Selectable clock input ratio Input channel mapping Automatic volume control for limiting maximum power 96-kHz internal processing sample rate, 24-bit precision Advanced AM interference frequency switching and noise suppression modes Thermal-overload and short-circuit protection embedded Video application: 576 * fS input mode support Applications LCD DVD Cradle Digital speaker Wireless-speaker cradle Description The STA333W is an integrated circuit comprising digital audio processing, digital amplifier control and DDX® power output stage to create a high- power, single-chip DDX® solution for all-digital amplification with high quality and high efficiency. The STA333W power section consists of four independent half-bridges stages. These can be configured via digital control to operate in different modes. 2 channels can be provided by two full bridges, providing up to 20 W + 20 W of power. Also provided in the STA333W are new advanced AM radio interference reduction modes. The serial audio data input interface accepts all possible formats, including the popular I2S format. Three channels of DDX® processing are provided. The STA333W is part of the Sound Terminal™ family that provides full digital audio streaming to the speaker offering cost effectiveness, low power dissipation and sound enrichment. PowerSSO-36 package with exposed pad down (EPD) Table 1. Device summary Order code Package Packaging STA333W PowerSSO-36 EPD Tube STA333W13TR PowerSSO-36 EPD Tape and reel www.st.com |
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