With the strong leading edge of NXP products in terms of sound durability and EMC performance, WorldCom's NXP has launched a number of NXP-based intelligent audio power amplifier reference solutions to help customers improve the sound quality of mobile phones. At the same time, it can save design space.
The smart audio power amplifier solutions for smartphones launched by the United Nations General Assembly are:
1. Mono intelligent audio solution based on NXP TFA9888
Second, based on NXP TFA9911 mono intelligent audio solution
Third, based on NXP TFA9896 stereo intelligent audio solution
Fourth, based on NXP TFA9890 stereo intelligent audio solution
1. Mono intelligent audio solution for smart phones based on NXP TFA9888
Figure 1 - The company's NXP TFA9888-based mono intelligent audio solution system framework for smartphones
Functional description
1 stereo Class-D intelligent audio amplifier
2 can boost to 9.5V, raise the volume
3 Real-time detection of amplitude, temperature and cavity environmental changes
4 Compatible with standard acoustic echo cancellation
5 Support mixed sidetones
Important characteristics
1 low RF sensitivity
2 high efficiency and low power consumption
3 can greatly improve the sound quality of the sufficient margin
4 Support sampling frequency from 8kHz to 48kHz
5 can detect whether the cavity is damaged or leaking
6 Clip suppression
Second, based on NXP TFA9911-based smart audio solution for smart phones
Figure 2 - The company's NXP TFA9911-based mono intelligent audio solution system framework for smartphones
Functional description
1 stereo Class-D intelligent audio amplifier
2 can boost to 9.5V, raise the volume
3 Real-time detection of amplitude, temperature and cavity environmental changes
4 Compatible with standard acoustic echo cancellation
5 dedicated speaker as a feedback path for the microphone
Important characteristics
1 Ample margin that can greatly improve sound quality
2 Support sampling frequency from 8kHz to 48kHz
3 can detect whether the cavity is damaged or leaking
4 low RF sensitivity
5 Clip suppression
Third, based on NXP TFA9896 smart phone stereo audio solution
Figure 3 - The company's NXP TFA9896-based stereo intelligent audio solution system framework for smartphones
Functional description
1 Based on NXP TFA9896 intelligent audio system module
2 drive two-channel speaker work
3 support I2S audio input, high fidelity class D audio output
4 Control it through the I2C interface
5 adaptive offset control to protect the speaker diaphragm
Important characteristics
1 built-in DSP, embedded speaker boost and protection algorithm
2 class D amplifier
3 Support sampling frequency from 8kHz to 48kHz
4 adaptive DC-DC converter power supply
Figure 4 - The United Nations General Assembly launched a photo of the stereo intelligent audio solution for smartphones based on NXP TFA9896
Figure 5 - The company's NXP TFA9890-based stereo intelligent audio solution system framework for smartphones
Functional description
1 Based on NXP TFA9890 Intelligent Audio System Evaluation Board
2 drive left and right channel speakers work
3 support I2S audio input, high fidelity class D audio output
4 Control it through the I2C interface
5 adaptive offset control to protect the speaker diaphragm
Important characteristics
1 built-in DSP, embedded speaker boost and protection algorithm
2 Class D amplifier, output power 2.65W
3 Support sampling frequency from 8kHz to 48kHz
4 adaptive DC-DC converter power supply
Figure 6 - The United Nations General Assembly launched a photo of the stereo intelligent audio solution for smartphones based on NXP TFA9890
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