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The RT5512B is a boosted class-D amplifier with V/I sensing. A built-in DC-DC step-up converter is used to provide efficient power for class-D amplifier with multi-level class-H operation. The digital audio interface supports I2S, left-justified, right-justified and TDM format for audio in with a data out used for chip information like voltage sense and current sense, which are able to be monitored via DATAO pin through proper register setting.
Class-D Speaker AMP ► 7W Output Power @ 12V, 8Ω load, THD+N < 1% ► 0 to 23dB Analog Gain ► 10μV Output Noise @ 18dB Gain ► Add DRE to Reduce Output Noise ► Min. RL = 3.2Ω, Max. RL = 38Ω
Boost Converter ► Adaptive Boost for Speaker, Boost from Battery Supply Up to Programmed Voltage, Max. 12.5V ► Switching Frequency 2MHz ► Accurate Input Current Limit ► Analog Part : Feedback ADC, Current Sense, Slope Compensation ► Digital Part : Voltage Loop and End-Point Prediction in Boost Mode
V/I Sensing
Digital ► Digital Audio Interface Support I2S, Left-Justified, Right-Justified, TDM ► Flexible Interrupt Controller ► Clip Control (Battery Safeguard) to Prevent Drawing Larger Current from Battery when Low VBAT ► Volume Control
RoHS Compliant and Halogen Free
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