Product overview
Description
The STA380WS is an integrated circuit comprising digital audio processing, digital amplifier control and FFX power output stage to create a high-power, single-chip FFX solution for all-digital amplification with high quality and high efficiency.
The STA380WS power section can provide up to 20 W + 20 W BTL output power.
Also provided in the STA380WS are new advanced AM radio interference reduction modes. The serial audio data input interface accepts all possible formats, including the popular I2S format.
The STA380WS is part of the 2-channel high-efficiency digital audio system family that provides full digital audio streaming to the speaker offering cost effectiveness, low power dissipation and sound enrichment.
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All features
- Wide-range supply voltage (4.5 V - 20 V)
- 2 channels of ternary PWM (stereo mode)
- 2 channels of 24-bit FFX
- 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 * fSinput mode support
EDA Symbols, Footprints and 3D Models
The STMicroelectronics team - STA380WS
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