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LA4742 - 45 W Four-Channel Bridge Circuit Power Amplifier

Key Features

  • a built-in bridge circuit and the ability to radically reduce the number of external components required. Package Dimensions unit: mm 3236-HZIP25 [LA4742] 29.2 25.6 4.5 Features.
  • Maximum output power: 45 W × 4 channels (VCC = 14.4 V, 4 Ω load, 1 kHz).
  • 40 W × 4 channels (VCC = 13.7 V, 4 Ω load, 1 kHz).
  • Requires only seven external components and does not require an oscillation prevention RC circuit, a noise filter, or a BS capacitor. R1.7 14.4 17.4 3.3 10.2 0.4 4.0.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number : ENN7043 Monolithic Linear IC LA4742 45 W Four-Channel (Bridge Circuit) Power Amplifier Overview The LA4742 is a 45 W 4-channel power amplifier IC for car stereo systems. It features a built-in bridge circuit and the ability to radically reduce the number of external components required. Package Dimensions unit: mm 3236-HZIP25 [LA4742] 29.2 25.6 4.5 Features • Maximum output power: 45 W × 4 channels (VCC = 14.4 V, 4 Ω load, 1 kHz) • 40 W × 4 channels (VCC = 13.7 V, 4 Ω load, 1 kHz) • Requires only seven external components and does not require an oscillation prevention RC circuit, a noise filter, or a BS capacitor. R1.7 14.4 17.4 3.3 10.2 0.4 4.0 4.