ST Life.augmented
sense_power

ヘッドフォン用アンプ

STのヘッドフォンおよび低出力アンプのポートフォリオは、お客様のアプリケーションに完全に適合するために必要な設計上および機能上の柔軟性を提供します。

  • 最適なオーディオ性能と電力効率をもたらすAB級、G級、およびフィルタレスD級アーキテクチャ
  • キャップレスおよびフィルタレス増幅など、部品点数を削減する高い集積機能
  • 実装面積に余裕がないアプリケーション向けの超小型パッケージなど、多くのパッケージ・オプション

TS4621E: class-G stereo headphone driver

TS4621E: class-G stereo headphone driver
The TS4621E is a class-G stereo headphone driver dedicated to high audio performance, high power efficiency and space-constrained applications.When powered by a battery, the buck converter generates the appropriate voltage to the amplifier depending on the amplitude of the audio signal to supply the headsets.It achieves a total 2.1 mA current consumption at 100 μW output power (10 dB crest factor).Stand-by current consumption  is as low as 0.6μA thus guaranteeing and extended battery life.TS4621E comes into flip chip package measuring 1.65x1.65x0.6mm, 16 bumps, 0.4mm pitch.Combining high efficiency, high audio quality and small size into a single device, the TS4621E is the perfect match for portable applications such as smartphones, tablets and media players.
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