10W+10W dual BTL class-D audio amplifier

The TDA7491P is a dual BTL class-D audio amplifier with single power supply designed for LCD TVs and monitors.

Thanks to the high efficiency and exposed-pad-down (EPD) package no separate heatsink is required.

Furthermore, the filterless operation allows a reduction in the external component count.

The TDA7491P is pin-to-pin compatible with the TDA7491LP and TDA7491HV.

Key Features

  • 10 W + 10 W continuous output power:RL = 6 Ω, THD = 10% at VCC = 11 V
  • 9.5 W + 9.5 W continuous output power:RL = 8 Ω, THD = 10% at VCC = 12 V
  • Wide range single supply operation (5 V - 18 V)
  • High efficiency (η = 90%)
  • Four selectable, fixed gain settings of nominally 20 dB, 26 dB, 30 dB and 32 dB
  • Differential inputs minimize common-mode noise
  • Filterless operation
  • No ‘pop’ at turn-on/off
  • Standby and mute features
  • Short-circuit protection
  • Thermal overload protection
  • Externally synchronizable

回路ダイアグラム

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デザイン

技術文書

製品スペック
Description バージョン サイズ
DS5297 DS5297: 2 x 10-watt dual BTL class-D audio amplifier 6.0 1 MB
アプリケーションノート
Description バージョン サイズ
AN3412 AN3412: 10 W + 10 W dual BTL class-D audio amplifier demonstration board based on the TDA7491P 1.1 1017 KB
AN4170 AN4170: 20 W + 20 W dual BTL class-D audio amplifier demonstration board based on the TDA7491HV 1.0 1 MB
AN4171 AN4171: 25 W mono BTL class-D audio amplifier demonstration board based on the TDA7491MV 1.0 792 KB
AN3956 AN3956: 5 W + 5 W dual BTL class-D audio amplifier demonstration board based on the TDA7491LP 1.0 1 MB
AN3385 AN3385: 50 W + 50 W dual BTL class-D audio amplifier demonstration board based on the TDA7492 1.0 821 KB
AN4015 AN4015: Dual-BTL class-D audio amplifier demonstration board based on the TDA7498E 1.0 2 MB

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サンプル & 購入

製品型番 パッケージ Packing Type Operating Temperature (°C) (min) Operating Temperature (°C) (max) Marketing Status Unit Price (US$) * 数量 ECCN (EU) ECCN (US) Country of Origin More info Order from ST Order from Distributors
TDA7491P13TR PowerSSO 36 Tape And Reel -40 85 Active 1.882 1000 NEC EAR99 MALAYSIA MORE INFO DISTRIBUTOR AVAILABILITY
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(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

品質 & 信頼性

製品型番 Marketing Status パッケージ Grade RoHS Compliance Grade Material Declaration**
TDA7491P13TR アクティブPowerSSO 36IndustrialEcopack2 0
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(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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