TPA6211A1 3.1W、モノラル、完全差動、Class-AB オーディオ・アンプ | TIJ.co.jp

TPA6211A1
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3.1W、モノラル、完全差動、Class-AB オーディオ・アンプ

3.1W、モノラル、完全差動、Class-AB オーディオ・アンプ - TPA6211A1
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概要

The TPA6211A1 is a 3.1-W mono fully-differential amplifier designed to drive a speaker with at least 3-Ω impedance while consuming only 20 mm2 total printed-circuit board (PCB) area in most applications. The device operates from 2.5 V to 5.5 V, drawing only 4 mA of quiescent supply current. The TPA6211A1 is available in the space-saving 3-mm × 3-mm SON (DRB) and the 8-pin MSOP-PowerPAD (DGN) packages.

Features like –80 dB supply voltage rejection from 20 Hz to 2 kHz, improved RF rectification immunity, small PCB area, and a fast startup with minimal pop makes the TPA6211A1 ideal for PDA and smart phone applications.

特長

  • Designed for Wireless or Cellular Handsets and
    PDAs
  • 3.1 W Into 3 Ω From a 5-V Supply at
    THD = 10% (Typ)
  • Low Supply Current: 4 mA Typ at 5 V
  • Shutdown Current: 0.01 µA Typ
  • Fast Startup With Minimal Pop
  • Only Three External Components
    • Improved PSRR (–80 dB) and Wide Supply
      Voltage (2.5 V to 5.5 V) for Direct Battery
      Operation
    • Fully Differential Design Reduces RF
      Rectification
    • –63 dB CMRR Eliminates Two Input
      Coupling Capacitors

機能一覧

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Part number オーダー・オプション Audio input type Architecture Speaker channels (Max) Power stage supply (Min) (V) Power stage supply (Max) (V) Output power (W) Load (Min) (ohms) SNR (dB) THD + N @ 1 kHz (%) Iq (Typ) (mA) Control interface Closed/open loop Analog supply (Min) (V) Analog supply (Max) (V) PSRR (dB) Operating temperature range (C) Rating
TPA6211A1 ご注文 Analog Input     Class-AB     Mono     2.5     5.5     3.1     3     105     0.03     4     Hardware     Closed     2.5     5.5     85     -40 to 85     Catalog    
TPA6203A1 ご注文 Analog Input     Class-AB     Mono     2.5     5.5     1.25     8     104     0.06     1.7     Hardware     Closed     2.5     5.5     90     -40 to 85     Catalog    
TPA6204A1 ご注文 Analog Input     Class-AB     Mono     2.5     5.5     1.7     8     105     0.02     4     Hardware     Closed     2.5     5.5     85     -40 to 85     Catalog    
TPA6205A1 ご注文 Analog Input     Class-AB     Mono     2.5     5.5     1.25     8     104     0.06     1.7     Hardware     Closed     2.5     5.5     90     -40 to 85     Catalog