Korea Wellang Digital power amplifier - WA20-5822
?2 CH Stereo (20W x 2 BTL)
?Wide Operating Supply Voltage Range (5V to 26.4V)
?Flexible Audio Interface
? I 2S / TDM Interface for Audio Input
? SDATA Generator (I2S output)
?Floating-Point Operation
- Model Number: WA20-5822
- Data Sheet:
- Quantity:
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Product Specification
The WA20-5822 is a single chip full digital audio amplifier including power stage for stereo amplifier system. WA20-5822 is integrated with versatile digital audio signal processing functions, high-performance, high fidelity fully digital PWM modulator and two high-power full-bridge MOSFET power stages.
The WA20-5822 receives digital serial audio data with sampling frequencies of 32kHz, 44.1kHz, 48kHz, and 96kHz. It delivers 2 x 20 watts in stereo mode without heat sink.
The WA20-5822 has a mixer and Bi-Quad filters which can be used to implement the essential audio signal processing functions such as loudness control, compensation of a loudspeaker response and parametric equalization.
All the functions of the WA20-5822 can be controlled by internal register values via I2C host interface bus.
Features：
?2 CH Stereo (20W x 2 BTL)
?Wide Operating Supply Voltage Range (5V to 26.4V)
?Flexible Audio Interface
? I
2S / TDM Interface for Audio Input
? SDATA Generator (I2S output)
?Floating-Point Operation
?Up to 40 Programmable Bi-Quad Filters
? Loudness Control
? Speaker Compensation
? Parametric Equalizer
?3 Band Dynamic Range Control
? Acc (Accelerated) DRC
?Post Signal Processing for Optimized Speaker Control
?Audio Enhancement Algorithm
? Loudness Compensation
? Virtual Expander
? Dynamic Bass
? Dialog Clarity
?Pre-Scaler and Post-Scaler
?Various Useful Functions
? Volume and Soft Mute Control
? Power Meter
? Smart PWM Switch On / Off
?DC Protection
? DC-Cut Filter
? Coefficient Memory Checksum
? Modulation Index Check
?Protection Circuit
? OCP (Over Current Protection)
? OTP (Over Temperature Protection)
? UVP (Under Voltage Protection)
?High Efficiency (>90%)
Applications：
?OLED/UHD/FHD TV or Monitor TV
?Docking Station
?Mini-Component Audio Solution
?Bluetooth Speaker, AI Speaker, Sound Bar
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