The Qualcomm WSA8845 is a Class D audio amplifier designed for high-performance audio applications in Mobile Devices and consumer electronics. It is typically used in smartphones, tablets, laptops, and other portable audio devices, providing efficient and high-quality audio output with features like low power consumption, small form factor, and integrated functionality (such as support for multiple speakers and stereo audio).

WSA-8845-0-WLNSP36D-TR-00-0

https://www.edaltech.com/products/audio-amplifier/wsa-8845-0-wlnsp36d-tr-00-0.html

If you're looking for equivalent ICs to the Qualcomm WSA8845, you would want to consider other Class D audio amplifiers from various manufacturers that support similar functionality in terms of audio performance, efficiency, and integration. Below are some of the equivalent audio amplifier ICs from other companies that offer similar features to the WSA8845.

1. Texas Instruments TPA3118D2

• The TPA3118D2 is a Class D audio amplifier designed for stereo audio applications. It offers high efficiency, low power consumption, and is optimized for portable audio systems.

• Key Features:

  • 2x30W output for stereo audio applications.

  • Class D amplifier with high efficiency (up to 90%).

  • Integrated speaker protection (short circuit, over-temperature).

  • Low power consumption, suitable for battery-operated devices.

  • Integrated shutdown feature for power savings.

• Applications: Portable audio devices, smartphones, tablets, and laptops.

The TPA3118D2 offers excellent audio quality and power efficiency, making it a strong alternative to the WSA8845.

2. NXP TFA9892

• The TFA9892 is a Class D audio amplifier with integrated digital audio processing. It is optimized for high-fidelity audio and portable devices.

• Key Features:

  • Class D amplifier with 2x10W stereo output.

  • High-performance audio processing with integrated digital-to-analog conversion (DAC).

  • Low total harmonic distortion (THD) for high-quality audio output.

  • Dynamic range compression and advanced speaker protection.

  • Integrated I2S interface for easy integration into digital systems.

• Applications: Smartphones, tablets, laptops, and wireless audio devices.

The TFA9892 is ideal for applications that require digital audio integration and advanced processing, making it a great alternative to the WSA8845 for high-quality audio performance.

3. Analog Devices ADAU1701

• The ADAU1701 is a digital audio processor with an integrated Class D amplifier. While it is primarily a digital signal processor (DSP), it also offers high-quality audio amplification capabilities.

• Key Features:

  • DSP with integrated Class D amplifier.

  • Low power consumption suitable for portable devices.

  • Integrated audio effects and equalization capabilities.

  • Stereo audio output with support for high-fidelity sound.

  • Integrated speaker protection and short-circuit protection.

• Applications: Portable audio devices, smartphones, digital audio systems.

The ADAU1701 is more of a combined DSP and Class D amplifier, offering advanced audio processing features along with amplification, which can be beneficial for complex audio applications.

4. Qualcomm WSA8810

• The Qualcomm WSA8810 is another Class D audio amplifier from Qualcomm, offering high efficiency and stereo audio output with similar features to the WSA8845.

• Key Features:

  • Stereo Class D audio amplifier.

  • High efficiency and low power consumption.

  • Integrated speaker protection and thermal shutdown.

  • Support for a wide range of audio formats.

• Applications: Similar to the WSA8845, it is used in smartphones, tablets, and portable audio devices.

The WSA8810 offers similar functionality to the WSA8845, though it is typically used in different product families or applications.

5. STMicroelectronics TDA7491LP

• The TDA7491LP is a Class D audio amplifier designed for stereo audio output. It is a compact solution with high-efficiency and low power consumption, making it suitable for mobile and portable devices.

• Key Features:

  • 2x25W output for stereo systems.

  • Class D amplifier with high efficiency (up to 90%).

  • Integrated thermal and overcurrent protection.

  • Low THD (total harmonic distortion) for better audio quality.

  • Low power idle mode.

• Applications: Portable audio devices, TVs, smart speakers, and home audio systems.

The TDA7491LP provides a comparable alternative to the WSA8845 with high-quality audio output and power-efficient operation.

6. Maxim Integrated MAX98357A

• The MAX98357A is a Class D audio amplifier that is optimized for high-fidelity audio output with low power consumption. It is often used in portable devices where space and power efficiency are critical.

• Key Features:

  • Class D amplifier with low power operation.

  • I2S digital audio interface for seamless integration.

  • 2x3.2W output for stereo applications.

  • Integrated speaker protection and overcurrent protection.

• Applications: Smartphones, tablets, wearable audio devices, and portable speakers.

The MAX98357A is a compact and efficient alternative to the WSA8845, ideal for mobile devices that require high-quality audio output with low power consumption.

7. Cirrus Logic CS35L41

• The CS35L41 is a Class D audio amplifier designed for smartphones and portable speakers, offering high efficiency and clear sound quality in a compact package.

• Key Features:

  • Stereo Class D amplifier with 2x5W output.

  • Advanced audio processing for better sound clarity.

  • Low distortion and high-efficiency operation.

  • Integrated speaker protection and thermal management.

• Applications: Smartphones, tablets, Bluetooth speakers, and portable audio devices.

The CS35L41 provides a strong alternative to the WSA8845 with its high-efficiency and low-power operation.

8. Infineon MA12070

• The MA12070 is a Class D audio amplifier designed for high-efficiency audio applications, suitable for smartphones and consumer electronics.

• Key Features:

  • 2x20W stereo output.

  • Class D amplification for high efficiency and low heat generation.

  • Advanced thermal protection and overload protection.

  • Very low idle power consumption.

• Applications: Portable audio devices, smartphones, Bluetooth speakers, and personal audio systems.

The MA12070 offers similar Class D amplification features as the WSA8845 but with more output power and efficiency.

Key Considerations:

When selecting an equivalent to the Qualcomm WSA8845, the key factors to consider include:

• Power Output: Ensure the alternative IC provides the necessary output power for your application (e.g., 2x2W, 2x5W, or higher).

• Efficiency: Look for high Class D efficiency to minimize power consumption, especially for battery-powered devices.

• Speaker Protection: Ensure that the IC has integrated features like overload protection, thermal shutdown, and short-circuit protection.

• Audio Quality: Low THD (Total Harmonic Distortion) and high-fidelity audio output are important for high-quality audio reproduction.

• Integration: Some ICs, like the TFA9892 and ADAU1701, provide additional features like audio processing or digital interfaces (I2S), which may be important depending on your system design.

Conclusion:

The Qualcomm WSA8845 is a versatile Class D audio amplifier for mobile and portable audio applications. Texas Instruments TPA3118D2, NXP TFA9892, Analog Devices ADAU1701, and Maxim Integrated MAX98357A are all excellent alternatives depending on your specific needs for power output, audio quality, and efficiency. For more compact and low-power solutions, options like the Cirrus Logic CS35L41 and Infineon MA12070 may be suitable.