Transcription of TDA8932B Class-D audio amplifier - NXP
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TDA8932B Class-D audio amplifier - NXP
1. General descriptionThe TDA8932B is a high efficiency Class-D amplifier with low power continuous time output power is 2 15 W in stereo half-bridge application (RL=4 )or 1 30 W in mono full-bridge application (RL=8 ). Due to the low power dissipationthe device can be used without any external heat sink when playing music. Due to theimplementation of thermal foldback, even for high supply voltages and/or lower loadimpedances, the device continues to operate with considerable music output powerwithout the need for an external heat device has two full-differential inputs driving two independent outputs. It can be usedin a mono full-bridge configuration (BTL) or in a stereo half-bridge configuration (SE).2. FeaturesnOperating voltage from 10 V to 36 V asymmetrical or 5 V to 18 V symmetricalnMono-bridged tied load (full-bridge) or stereo single-ended (half-bridge) applicationnApplication without heat sink using thermally enhanced small outline packagenHigh efficiency and low-power dissipationnThermally protected and thermal foldbacknCurrent limiting to avoid audio holesnFull short-circuit proof across load and to supply lines (using advanced currentprotection)nSwitchable internal or external oscillator (master-slave setting)nNo pop noisenFull-differential inputs3.
1. General description The TDA8932B is a high efficiency class-D amplifier with low power dissipation. The continuous time output power is 2 ×15 W in stereo half-bridge application (RL =4Ω) or 1 ×30 W in mono full-bridge application (RL =8Ω). Due to the low power dissipation
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