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Product Descriptions

ACM8622M is a fully integrated, high efficiency, stereo Class-D audio amplifier with digital inputs. The application circuit requires few passives components to operate with 4.5V to 14.5V PVDD supply, 3.3V DVDD supply. lt can drive 2x10.5W output power into BTL 6 ohm and 1x23W into PBTL 4 ohm @1 percent THD+N.

ACM8622M features one novel PWM modulation architecture, which adjusts PWM common duty cycle during start-up phase to avoid startup pop click.

Spread spectrum technology provides lower EMl noise. lt allows inductor free application with specified output power situation with ACM8622M.

The advanced audio effect tuning capability inside ACM8622M provides one highly integrated solution. lt allows turning on / off each block with highly free operations. Both pre and post BOs / volume helps a lot to maintain audio headroom.

Product Features

? Flexible Power Supply Configurations

- PVDD: 4.5V to 14.5V

- DVDD and 1/0: 3.3V

? Various output configurations

- 2x14W, Stereo mode (4 ohm, 12V, THD+N = 1 percent)

- 2x10.5W, Stereo mode (6 ohm, 12V, THD+N = 1 percent)

? Excellent Audio Performance

- THD+N < 0.02 percent at 1W, 1kHZ, PVDD = 12V

- 107 dB A-weighted signal-to-noise ratio (SNR)

- ldle switching A-weighted noise < 37 uVRMs

- 16mA low quiescent current

- 90  percent efficiency into 6 ohm load at 12V

? Configurable digital audio interface

- I2C control with up to 4 selectable addresses

- I2S, Left-justified, Right-justified, TDM audio format

- 3-Wire digital audio interface without MCLK required

- 32kHz, 44.1kHz/48kHz input sample rate

- SDOUT for Acoustic Echo Cancellation - AEC or 1.1/ 2.1system sub-channel signal routing

? Advanced audio effect tuning

- Flexible digital and analog gain adjustment

- High pass filter for DC blocking

- Input signal router for left and right channel

- 2x8 pre BQs & 2x2 post BQs to support enhanced audio frequency tuning

? Analog protections

- FAULT status report through GPIO and I2C registers

- Over current and Direct current protection

- Over temperature protection

- Under-voltage and Over-voltage protection

- Clock error protection

  Product Applications

? Portable Speakers: Bluetooth, Smart Speakers with Voice Assistant

? Home Audio: TV, Soundbar, STB (set top box), HTiB (Home Theatre in a Box

? Smart Appliances

? PCs and Laptops

  Specifications

Actual product photos

Product Data Book：

For more product information, please download the PDF

Payment&Transportation

Official Certificate&Certificate

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Standard packaging

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