Analog Products

概要

The DA7202 is a powerful, highly efficient, low EMI Class D speaker driver that can drive 10W into 4Ω loads directly from a 2S Lithium-ion battery pack to power a variety of two-cell portable applications such as Ultrabooks and tablets.
 
DA7202 uses a fully-differential switched-mode amplifier architecture with a fixed +18dB gain and differential analog inputs. It also has a PWM modulator and an H‑bridged switched power output stage that delivers 3.8Wrms into an 8Ω load (10.2W into a 4Ω load), making a speaker sound louder in portable devices.

Benefits

  • Low component count
  • Small PCB area due to 9 bump WLCSP 0.5mm pitch package
  • Good PSRR and THD+N
  • Differential audio inputs
  • Low EMI
  • Short circuit and thermal overload protection with auto-recovery
DA7202 Block Diagram
DA7202 Block Diagram
  • Supports 4Ω and 8Ω loads
  • Input supply range: 4.5V to 9.0V
  • Prms: 9.0W into 4Ω load at 8.2V, 1% THD+N
  • Prms: 10.2W into 4Ω load at 8.2V, 10% THD+N
  • Prms: 3.8W into 8Ω load at 8.2V, 1% THD+N
  • Prms: 5.0W into 8Ω load at 8.2V, 10% THD+N
  • Efficiency: 85% at Pout = 7.0W at 8.2V, 4Ω
  • Efficiency: 90% at Pout = 3.5W at 8.2V, 8Ω
  • Ultra-low standby current: 7µA
  • SNR (A-weighted) 104dB
  • THD+N: 90dB
  • PSRR: 78dB
  • Fixed +18db gain
  • Package: 9-WLCSP 0.5mm
静電容量式タッチセンサを用いた輸液レベルモニタ

アプリケーション

  • Ultrabooks
  • Tablets
  • Personal navigation devices
  • Speaker accessories
  • Handheld gaming
  • Mobile computing

ドキュメント

タイトル 分類 日付
DA7202 Datasheet
PDF678 KB
データシート
DA7202 Evaluation Board User Guide
PDF1.08 MB
マニュアル－開発ツール
DA7202 EVB Layout & BOM
ZIP693 KB
その他資料
10W Mono Class D amplifier for 2Sbattery operated portable devices
PDF479 KB
製品概要
DA7202 Product Brief
PDF1.25 MB
製品概要
DA7202 Schematic
PDF30 KB
回路図

設計・開発

ボード＆キット

DA7202 Class D Amplifier Evaluation Kit

DA7202-EVAL

Evaluation
ご購入

10W Mono Class D Amplifier Evaluation Kit

The DA7202 is a powerful, highly efficient, low EMI Class D speaker driver that can drive 10W into 4Ω loads directly from a 2S lithium-ion battery to power a variety of...

主要ドキュメント:
DA7202 Evaluation Board User Guide

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製品選択

    Processing table
    型名
    Pkg. Type
    Carrier Type
    ご購入 / サンプル
    DA7202-00UH2
    play_circleActive
    memory
    view_in_ar
    		9-WLCSP Tape & Reel
    Parametric Table tips

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