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Overview The LA6544M is a 4-channel bridge (BTL) driver developed for use in CD-ROM systems. Functions • Bridge connected (BTL) four-channel power amplifier • VCE (residual voltage) minimized (channels 1 to 3) by using two power supplies. • IOmax: 1.0 A • Muting circuit provided (output on/off control) (MUTE pin: low for output off, high for output on. MUTE1: controls channel 1, MUTE2: controls channels 2, 3, and 4.) • Thermal protection (shutdown) circuit • Separated output stage power supply (VS1: channels 1, 2, and 3, VS2: channel 4)
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