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LA4705 - 15 W 2-channel BTL AF Power Amplifier

General Description

C1, C4 C2 C3 Input capacitors Decoupling capacitor (ripple filter) Amplifier on time setting capacitor Power supply capacitor Oscillation blocking capacitors Use polyester film capacitors (Mylar capacitors) with good temperature characteristics.

Key Features

  • on-chip protectors and standby switch. Package Dimensions unit: mm 3109-SIP18H [LA4705] Features . High power: supports total output of 25 W + 25 W = 14.4 V, THD = 30%, R = 4 Ω) . (V Less pop noise . Designed for excellent sound quality < 10 Hz, f = 130 kHz) . (f Any on time settable by external capacitor . Standby switch circuit on chip (microprocessor supported) . Various protectors on chip CC L L H SANYO : SIP18H . . (output-to-ground short/output-to-VCC short/ load short/overvoltage/t.

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Other Datasheets by SANYO (now Panasonic)

Part Number Description
LA4700N 2-Channel 12W AF Power Amplifier
LA4708 20 W 2-channel BTL AF Power Amplifier
LA4725 2-Channel BTL Power Amplifier
LA4728 2-Channel BTL Power Amplifier
LA4741 42W 4-Channel BTL Power Amplifier
LA4742 45 W Four-Channel Bridge Circuit Power Amplifier
LA4743A 45 W Four-Channel (Bridge Circuit) Power Amplifier
LA4743B 45 W Four-Channel (Bridge Circuit) Power Amplifier
LA47501 BTL 4ch (50W x 4) Power IC
LA47503 High-Output (50-Watt Class) Four-Channel Car Stereo BTL Power Amplifier

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: EN3848D Monolithic Linear IC LA4705 15 W 2-channel BTL AF Power Amplifier for Car Stereos Overview The LA4705 is a BTL two-channel power IC for car audio and radio-cassette players developed in pursuit of excellent sound quality. Low-region frequency characteristics have been improved through the use of a new NF capacitorless circuit, and crosstalk which causes ‘‘muddy’’ sound has been reduced by improving both circuit and pattern layout. As a result, the LA4705 provides powerful bass and clear treble. In addition, the LA4705 features on-chip protectors and standby switch. Package Dimensions unit: mm 3109-SIP18H [LA4705] Features . High power: supports total output of 25 W + 25 W = 14.4 V, THD = 30%, R = 4 Ω) . (V Less pop noise .