Relying on the strong leading advantages of NXP products in terms of audio durability and EMC performance, World Ping, a subsidiary of the United Nations General Assembly, launched a number of intelligent audio power amplifier reference solutions based on NXP chips to strive to help customers achieve the improvement of mobile phone sound quality At the same time, it can save design space.
The Smart Audio Power Amplifier Solution for Smart Phones launched by the General Assembly of the General Assembly includes:
1. Mono audio solution based on NXP TFA9888
Second, based on NXP TFA9911 mono smart audio solution
3. Stereo intelligent audio solution based on NXP TFA9896
Fourth, the stereo smart audio solution based on NXP TFA9890
1. Mono audio solution for smart phones based on NXP TFA9888
Figure 1-The General Assembly of the World Congress launched the NXP TFA9888-based mono smart audio solution system framework for smartphone
Functional description
â‘ Stereo Class-D intelligent audio power amplifier
â‘¡ It can boost to 9.5V and raise the volume
â‘¢ Real-time detection of amplitude, temperature and cavity environment changes
â‘£ Compatible with standard acoustic echo cancellation
⑤ Support mixed side tone
Important features
â‘ Low RF sensitivity
â‘¡ High efficiency and low power consumption
â‘¢ Sufficient margin to greatly improve sound quality
â‘£ Support sampling frequency from 8kHz to 48kHz
⑤ Can detect whether the cavity is damaged or leaking
â‘¥ Clipping suppression
Second, based on NXP TFA9911 mono smart audio solution for smart phones
Figure 2-The General Assembly of the World Congress launched the NMP TFA9911-based mono smart audio solution system framework for smartphone
Functional description
â‘ Stereo Class-D intelligent audio power amplifier
â‘¡ It can boost to 9.5V and raise the volume
â‘¢ Real-time detection of amplitude, temperature and cavity environment changes
â‘£ Compatible with standard acoustic echo cancellation
⑤ The dedicated speaker is used as the feedback path of the microphone
Important features
â‘ Sufficient margin to greatly improve sound quality
â‘¡ Support 8kHz ~ 48kHz sampling frequency
â‘¢ Can detect whether the cavity is damaged or leaking
â‘£ Low RF sensitivity
⑤ Clipping suppression
3. Stereo intelligent audio solution for smart phones based on NXP TFA9896
Figure 3-The United Nations General Assembly World Peace launched NXP TFA9896-based stereo smart audio solution system framework for smartphones
Functional description
â‘ Based on NXP TFA9896 intelligent audio system module
â‘¡ Drive two-channel speaker to work
â‘¢ Support I2S audio input, high-fidelity class D audio output
â‘£ Control it through I2C interface
⑤ Adaptive offset control to protect the speaker diaphragm
Important features
â‘ Built-in DSP, embedded speaker lifting and protection algorithm
â‘¡ Class D amplifier
â‘¢ Support sampling frequency from 8kHz to 48kHz
â‘£ Adaptive DC-DC converter power supply
Figure 4: General Assembly of the General Assembly of the World Peace launched NXP TFA9896 based on smart phone stereo smart audio program photos
Figure 5-The general framework of NXP TFA9890's stereo smart audio solution system for smart phones based on NXP TFA9890
Functional description
â‘ Based on NXP TFA9890 intelligent audio system evaluation board
â‘¡ Drive left and right channel speakers to work
â‘¢ Support I2S audio input, high-fidelity class D audio output
â‘£ Control it through I2C interface
⑤ Adaptive offset control to protect the speaker diaphragm
Important features
â‘ Built-in DSP, embedded speaker lifting and protection algorithm
â‘¡ Class D amplifier, output power 2.65W
â‘¢ Support sampling frequency from 8kHz to 48kHz
â‘£ Adaptive DC-DC converter power supply
Picture 6: General Assembly of the World Congress launched the NXP TFA9890-based stereo smart audio solution for smartphone photos
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