产品概要
描述
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.
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性能一览
- 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 * fSinput mode support
电路原理图
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STMicroelectronics - STA333W
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | 符合RoHS级别 | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| STA333W13TR | Active 产品已量产 | PowerSSO 36 | Industrial | Ecopack2 | - | - |
(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此，它们可能不是100%适用于特定的设备。有关特定设备的信息，请联系 销售支持。
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Sample & Buy
| Part Number | 供货状态 | Budgetary Price (US$)*/Qty | 从ST订购 | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating Temperature (°C) (min) | Operating Temperature (°C) (max) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| STA333W13TR | | | distributors 无法联系到经销商，请联系我们的销售办事处 |
STA333W13TR Active