la6544m Sanyo Semiconductor Corporation, la6544m Datasheet
la6544m
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la6544m Summary of contents
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... Ordering number : ENN6295 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 • V (residual voltage) minimized (channels using two power supplies. • I max: 1 • Muting circuit provided (output on/off control) Pd max — ...
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... The MUTE1, and MUTE2 pins turn the output on when high and off when low. When the output is off, the outputs will be in the high-impedance state. The figure below shows the relationship between the channels and the MUTE pins and between the channels and the power supplies. System Figure MUTE1 MUTE2 LA6544M Symbol Conditions ...
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... VG4 14 MUTE2 15 MUTE2 Input stage power supply (all channels LA6544M MUTE1 Channel 1 output on/off – MUTE2 + Channels 2, 3, and 4 output on/off VS1 power supply (channels 1, 2, and 3) VS1 power supply (channel ...
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... Output stage reference voltage (Outputs Connect OUT is generated by a resistor divider Substrate (lowest potential Substrate (lowest potential) LA6544M Function 2-VBE)/2, typical buffer amplifier input) REF 1 buffer amplifier output) REF /2: typical buffer amplifier output) SS REF No. 6295-4/7 ...
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... LA6544M RF RF (NC 1-OUT 2-OUT – MUTE1 VG1 – LA6544M VG2 – VG3 – VG4 MUTE2 V REF OUT REF (5V) ...
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... – – MUTE1 MUTE Output on/off control 15 MUTE2 LA6544M Function MUTE1 Equivalent circuit V REF OUT A12684 ...
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... This catalog provides information as of April, 2000. Specifications and information herein are subject to change without notice. LA6544M and VG pin circuits. (These are the same as the block diagrams.) and VG pins. This should be seen as being the ...