SY24101AQEC - High Performance, High Fidelity 20W Digital Audio-Power Amplifier


  • 2CH Stereo(20W×2BTL)
  • 2.0 BTL Mode or PBTL Mode Support
  • 4.5V to 28V PVDD Range
  • 32kHz to 96kHz Sample Rate Support (LJ/RJ/I2S)
  • I2C Address Selection Pin
  • Independent Channel Volume Controls with 48dB to Mute
  • SDATA Generator (I2S Output)
  • Two DC Blocking Filters
  • 14 PEQs or 10 PEQs + 4 SPEQs Each Channel for Speaker Protection and Speaker Compensation
  • 3 Bands Dynamic Range Control plus a Post Dynamic Range Control
  • Loudness Control
  • Power Level Meter
  • 3-wire I2S Digital Audio Interface without MCLK
  • Thermal, Over Current, Short Circuit Protection and EQ/DRC Coefficients Checksum
  • Support Automatic Audio Sample Rate Detection
  • SY24101AQEC Surface Mount, QFN 32Pin, 5mm×5mm


The SY24101A is a 2×20W, digital audio power amplifier for driving bridge-tied stereo speakers. One serial data input allows processing of up to two discrete audio channels and seamless integration to most digital audio processors. SY24101A is an I2S slave device receiving all clocks from external sources.

The SY24101A has a mixer and Bi-Quad filters which can be used to accomplish essential audio signal processing functions like dynamic range control, loudness control, and parametric equalization.


  • LCD TV, LED TV or Monitor
  • Digital Speaker, Bluetooth Speaker
  • Sound Bar