製品概要
概要
The STA333SML is an integrated circuit comprising digital audio processing, digital amplifier control and an FFX power output stage to create a high-power, single-chip FFX solution for all-digital amplification with high quality and high efficiency.
The STA333SML power section consists of four independent half-bridge stages. Two channels can be provided by two full bridges, providing up to 10 W + 10 W of power.
Also featured in the STA333SML are new advanced modes for AM radio interference reduction. The serial audio data input interface accepts the popular I²S format. Two channels of FFXTMprocessing are provided.
The STA333SML 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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特徴
- Wide-range supply voltage (4.5 V - 18 V)
- 2 channels of ternary PWM (stereo mode)
- 2 channels of 24-bit FFXTM
- 100 dB SNR and dynamic range
- Digital gain +24dB
- Sample rates (fs) from 32 to 48 kHz
- Fixed MCLK at 256 x fs
- Automatic zero-detect mute
- Automatic invalid input detect mute
- Short-circuit detection at startup (Out-VCC, Out-Gnd, Out 1b-Out 2a)
- 2-channel I²S input data interface
- 2 Hz DC cut filter (input)
- 96 kHz internal processing sample rate, 24-bit precision
- Embedded thermal-overload and short-circuit protection
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STマイクロエレクトロニクス - STA333SML
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