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LA47202P - Monolithic Linear IC Four-Channel BTL Power Amplifier

Description

1.

Standby switch function (pin 4) The pin 4 threshold voltage is set to about 3 VBE.

The amplifier is turned ON at the application voltage of 3.0V or more and OFF at 0.5V or less.

Features

  • a self diagnostics function. Functions.
  • High output : PO max = 47W (typ. ) (VCC = 14.4V, f = 1kHz, JEITA max, RL = 4Ω) : PO max = 29W (typ. ) (VCC = 14.4V, f = 1kHz, THD = 10%, RL = 4Ω) : PO max = 22W (typ. ) (VCC = 14.4V, f = 1kHz, THD = 1%, RL = 4Ω).
  • Muting function incorporated (pin 22).
  • Built-in standby switch (pin 4).
  • Self diagnostics function incorporated (pin 25) : Output of both output offset detection, shorting to VCC or ground and load shorting signals.

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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 : ENA0508 Monolithic Linear IC LA47202P Overview www.DataSheet4U.com Four-Channel BTL Power Amplifier for Car Audio Systems The LA47202P is a 4-channel BTL power amplifier IC developed for use in car audio applications. The LA47202P adopts a pure complementary output stage circuit structure with a v-pnp transistor for the high side and an npn transistor for the low side to provide both high output power and high quality sound. The LA47202P integrates all the functions required for car audio applications on the same chip, including a standby switch, a muting function, and a full complement of protection circuits. It also features a self diagnostics function. Functions • High output : PO max = 47W (typ.) (VCC = 14.4V, f = 1kHz, JEITA max, RL = 4Ω) : PO max = 29W (typ.
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