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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 / 42 page  May 2007 Rev 1 1/42 42 STA333W 2-channel high-efficiency digital audio system Features ! Wide supply voltage range (4.5 V - 18 V) ! 2 power output configurations – 2 channels of binary PWM (stereo mode) – 2 channels of ternary PWM ! Power SSO-36 slug down package ! 2 channels of 24-bit DDX® ! 100 dB SNR and dynamic range ! Selectable 32 kHz to 192 kHz input sample rates ! I2C control with selectable device address ! Digital gain/attenuation +48 dB to -80 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 ! Variable max power correction for lower fullpower ! 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 x fs input mode support Applications ! LCD ! DVD ! Cradle ! Digital speaker ! Wireless speaker cradle Description The STA333W is an integrated solution of digital audio processing, digital amplifier control, and DDX®-power output stage, thereby creating a high-power single-chip DDX® solution comprising of high-quality, high-efficiency, all digital amplification. The STA333W power section consists of four independent half-bridges. These can be configured via digital control to operate in different modes. 2 channels can be provided by two full-bridges, providing up to 2 x 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. 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. PowerSSO36 slug (or exposed pad) down Table 1. Device summary Part number Package Packing STA333W PowerSSO36 (slug down) Tube STA333W13TR PowerSSO36 (slug down) Tape and reel www.st.com |
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