STA350BW

量産中

Sound Terminal 2.1-channel high-efficiency digital audio system

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  • The STA350Bx is an integrated solution of digital audio processing, digital amplifier control, and FFX-power output stage, thereby creating a high-power single-chip FFX™ solution comprising high-quality, high-efficiency, and all-digital amplification.

    The STA350Bx is based on an FFX (fully flexible amplification) processor, a proprietary technology from STMicroelectronics. FFX is the evolution and the enlargement of ST’s ternary technology: the new processor can be configured to work in ternary, binary, binary differential and phase-shift PWM modulation schemes.
    The STA350Bx contains the ternary, binary and binary differential implementations, a subset of the full capability of the FFX processor.
    The STA350Bx 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.
    The STA350Bx power section consists of four independent half-bridges. These can be configured via digital control to operate in different modes. 2.1 channels can be provided by two half-bridges and a single full-bridge, providing up to 2 x 18 W + 1 x 40 W of music output power, by using standard 4 and 8 Ω speakers. Two channels can be provided by two full-bridges, providing up to 2 x 50 W of music power, by using standard 6 Ω speaker or 2 x 40 W by using 8 Ω speakers at 25 V. The IC can also be configured as 2.1 channels with 2 x 40 W provided by the device and external power for FFX power drive. If configured as mono-BTL, the latter is capable of providing up to 1 x 90 W on a standard 3 Ω load or 1 x 75 W by using a 4 Ω, setting the supply voltage at 25 V. Please refer to the package thermal characteristics and application suggestions for more details.
    Also provided in the STA350Bx are a full assortment of digital processing features. This includes up to 8 programmable biquads (EQ) per channel. Special digital signal processing techniques are available in order to manage low-frequency quantization noise in case of very low frequency cutoff filter thresholds. The coefficient range -4..4 allows the easy implementation of high shelf filters. Available presets allow the advantage of earlier time-to-market by substantially reducing the amount of software development needed for certain functions. This includes audio preset volume loudness, preset volume curves and preset EQ settings. There are also new advanced AM radio interference reduction modes. Dual-band DRC dynamically equalizes the system to provide speaker linear frequency response regardless of output power level. This feature independently processes the two bands, controlling dynamically the output power level in each band and so providing better sound clarity.
    The serial audio data input interface accepts all possible formats, including the popular I2S format. Three channels of FFX processing are provided. This high-quality conversion from PCM audio to FFX PWM switching waveform provides over 100 dB SNR and dynamic range.

    主な特徴

    • Wide-range supply voltage
      • 5 V to 26 V (operating range)
      • 30 V (absolute maximum rating)
    • Four power output configurations
      • 2 channels of ternary PWM (stereo mode) (2 x 50 W into 6 Ω at 25 V)
      • 3 channels - left, right using binary and LFE using ternary PWM (2.1 mode) (2 x 18 W + 1 x 40 W into 2 x 4 Ω, 1 x 8 Ω at 25 V)
      • 2 channels of ternary PWM (2 x 50 W) + stereo lineout ternary
      • 1 channel of ternary PWM as mono-BTL (1 x 90 W into 3 Ω at 24.5 V)
    • FFX™ 100 dB SNR and dynamic range
    • Selectable 32 to 192 kHz input sample rates
    • I2C control with selectable device address
    • Digital gain/attenuation +42 dB to -80 dB with 0.125 dB/step resolution
    • Soft-volume update with programmable ratio
    • Individual channel and master gain/attenuation
    • Two independent DRCs configurable as a dual-band anti-clipper (B2DRC) or independent limiters/compressors
    • EQ-DRC for DRC based on filtered signals
    • Dedicated LFE processing for bass boosting with 0.125 dB/step resolution
    • Audio presets:
      • 15 preset crossover filters
      • 5 preset anti-clipping modes
      • Preset nighttime listening mode
    • Individual channel and master soft/hard mute
    • Independent channel volume and DSP bypass
    • Automatic zero-detect mute
    • Automatic invalid input-detect mute
    • I2S input data interface
    • Input and output channel mapping
    • Up to 8 user-programmable biquads per channel
    • 3 coefficient banks for EQ presets storing with fast recall via I2C interface
    • Extended coefficient dynamic up to -4..4 for easy implementation of high shelf filters
    • Bass/treble tones and de-emphasis control
    • Selectable high-pass filter for DC blocking
    • Advanced AM interference frequency switching and noise suppression modes
    • Selectable high or low bandwidth noise-shaping topologies
    • Selectable clock input ratio
    • 96 kHz internal processing sample rate with quantization error noise shaping for very low cutoff frequency filters
    • Thermal overload and short-circuit protection embedded
    • Video apps: 576 x Fs input mode supported
    • Fully compatible with the STA339BW and the STA339BWS

サンプル & 購入

製品型番
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温度(℃) ECCN (US)
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最大
STA350BWTR
量産中
PowerSSO 36 Tape And Reel -20 85 EAR99 MALAYSIA 2.556 / 1k 購入 在庫チェック

販売代理店在庫STA350BWTR

代理店名
地域 在庫 最小発注 パートナー企業リンク
DIGIKEY WORLDWIDE 910 1 発注する
MOUSER WORLDWIDE 1148 1 発注する

代理店レポートによる在庫データ: 2020-05-29

代理店名

DIGIKEY

在庫

910

Min.Order

1

地域

WORLDWIDE 発注する

MOUSER

在庫

1148

Min.Order

1

地域

WORLDWIDE 発注する

代理店レポートによる在庫データ: 2020-05-29

STA350BWTR

製品ステータス

量産中

単価(US$)

2.556

Budgetary Price (US$)*/Qty

2.556 / 1k

販売代理店在庫STA350BWTR

代理店名
地域 在庫 最小発注 パートナー企業リンク
DIGIKEY WORLDWIDE 910 1 発注する
MOUSER WORLDWIDE 1148 1 発注する

代理店レポートによる在庫データ: 2020-05-29

代理店名

DIGIKEY

在庫

910

Min.Order

1

地域

WORLDWIDE 発注する

MOUSER

在庫

1148

Min.Order

1

地域

WORLDWIDE 発注する

代理店レポートによる在庫データ: 2020-05-29

パッケージ

PowerSSO 36

梱包タイプ

Tape And Reel

Operating Temperature (°C)

(最小)

-20

(最大)

85

ECCN (US)

EAR99

Country of Origin

MALAYSIA

(*)概算用の希望小売単価(US$)です。現地通貨でのお見積りについては、STのセールス・オフィスまたは販売代理店までお問い合わせください。

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    • 製品型番

      STA350BW Sound Terminal™ 2.1-channel high-efficiency digital audio system board

00 ファイルがダウンロード用に選択されています

技術文書

    • 概要 バージョン サイズ アクション
      DS7146
      2.1-channel high-efficiency digital audio system Sound Terminal®
      7.0
      2.28 MB
      PDF
      DS7146

      2.1-channel high-efficiency digital audio system Sound Terminal®

    • 概要 バージョン サイズ アクション
      AN4118
      APWLink USB interface board for Sound Terminal® demonstration boards
      2.0
      1 MB
      PDF
      AN3984
      IIR filter design equations for Sound Terminal® devices
      1.1
      493.63 KB
      PDF
      AN3340
      Loudspeaker characterization and compensation
      1.3
      3.85 MB
      PDF
      AN3383
      STA350BW 2.0-channel demonstration board
      1.1
      5.47 MB
      PDF
      AN4569
      Using Sound Terminal® STA3xyBWz devices in 2.1 channel applications
      1.0
      2.28 MB
      PDF
      AN4118

      APWLink USB interface board for Sound Terminal® demonstration boards

      AN3984

      IIR filter design equations for Sound Terminal® devices

      AN3340

      Loudspeaker characterization and compensation

      AN3383

      STA350BW 2.0-channel demonstration board

      AN4569

      Using Sound Terminal® STA3xyBWz devices in 2.1 channel applications

    • 概要 バージョン サイズ アクション
      UM1545
      Using the Audio Processor Workbench (APWorkbench)
      1.0
      3.15 MB
      PDF
      UM1545

      Using the Audio Processor Workbench (APWorkbench)

    • 概要 バージョン サイズ アクション
      AN4118
      APWLink USB interface board for Sound Terminal® demonstration boards
      2.0
      1 MB
      PDF
      AN4118

      APWLink USB interface board for Sound Terminal® demonstration boards

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    • 概要 バージョン サイズ アクション
      APWorkbench software for audio ICs and MEMS microphones 1.0
      2.29 MB
      PDF

      APWorkbench software for audio ICs and MEMS microphones

    • 概要 バージョン サイズ アクション
      Analog audio solution 1.0
      1.34 MB
      PDF
      FFX - Full flexible amplification
      4.61 MB
      PDF
      FFX Full flexible amplification 1.0
      4.21 MB
      PDF

      Analog audio solution

      FFX - Full flexible amplification

      FFX Full flexible amplification

製品型番 製品ステータス パッケージ グレード RoHSコンプライアンスグレード 材料宣誓書**
STA350BWTR
量産中
PowerSSO 36 Industrial Ecopack2

STA350BWTR

Package:

PowerSSO 36

Material Declaration**:

PDF XML

Marketing Status

量産中

Package

PowerSSO 36

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) st.comで提供している材料宣誓書は、パッケージ・ファミリ内で最も一般的に使用されているパッケージに基づく汎用ドキュメントの場合があります。そのため、特定の製品では100%正確ではない可能性があります。特定の製品情報については、セールスサポートまでお問い合わせください