la6543 Sanyo Semiconductor Corporation, la6543 Datasheet
la6543
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la6543 Summary of contents
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... Ordering number : EN5973 Overview The LA6543 is a 4-channel bridge (BTL) driver developed for CD-ROM applications. Features and Functions • Integrated 4-channel power amplifier with bridge circuit (BTL) (two output stage power supply lines) • I max • Integrated level shift circuit • ...
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... Note 2: MUTE turns amplifier output ON at High and OFF at Low. (At Low, output impedance becomes high.) MUTE1 and MUTE2 operate independently on the respective channels. 1.0 IC Only 0.8 0.6 0.4 0.2 0 –20 LA6543 = 12V 5V 12V 25˚ Conditions 1 All outputs ON (MUTE1, MUTE2: High) 2 All outputs OFF (MUTE1, MUTE2: Low) ...
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... VG4 VG3 VG2 VG1 MUTE1 LA6543 21 20 Heat sink ...
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... REF MUTE2 MUTE1 33 23 MUTE LA6543 Equivalent circuit Output stage reference voltage (V SS Connect to Substrate (minimum potential CH1 non-inverted output (CH1+) CH1 inverted output (CH1-) CH2 non-inverted output (CH2+) CH2 inverted output (CH2-) CH3 non-inverted output (CH3+) ...
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... VG4 – + System Diagram (relationship between power supply and MUTE) (MUTE1/MUTE2) MUTE1 MUTE2 LA6543 MUTE1 MUTE2 Thermal shutdown MUTE1 MUTE2 CH1 (V O 1– CH2 (V O 3– CH3 (V O 5– CH4 (V O 7– – ...
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... VG2 Focus input VG1 Loading input Microprocessor 33 MUTE1 LA6543 Reference voltage Heat sink ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of December, 1998. Specifications and information herein are subject to change without notice. LA6543 and VG – ...