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The 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.

Features

. High power: supports total output 14.4 V, THD 4 (V Less pop noise. Designed for excellent sound quality < 10 Hz, = 130 kHz). (f Any on time settable by external capacitor. Standby switch circuit on chip (microprocessor supported). Various protectors on chip

(output-to-ground short/output-to-VCC short/ load short/overvoltage/thermal shutdown circuit) NF capacitorless Supports = 2

Specifications

Parameter Maximum supply voltage Surge supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max 1 VCC max 2 VCC surge Pd max Topr Tstg With signal 0.2 s, single giant pulse Arbitrarily large heat sink Conditions No signal, 60 s Ratings to +150 Unit °C

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