PCM1862EVM

Series:	--
Part Status:	Active
Type:	Audio
Function:	Audio Processing
Embedded:	No
Utilized IC / Part:	PCM1862
Primary Attributes:	Audio Front End
Supplied Contents:	Board(s)
Secondary Attributes:	On-Board LEDs

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The PCM1862EVM is an Evaluation and Demonstration Board and Kit specifically created for the Texas Instruments PCM1862 Audio CODEC. This product is meant to provide field engineers with a platform for testing and verifying the capabilities of the PCM1862 while also providing a range of features through a comprehensive set of hardware and software. The PCM1862EVM is a great tool for realizing a wide range of audio designs, such as professional audio equipment, personal digital media players, portable audio systems, smart home speakers, and automotive audio applications.The PCM1862EVM includes a variety of features, capabilities, and functionalities that bring value to comprehensive testing and verification. The evaluation board includes a standard two-channel analog input, which is designed to be powered from a 9V DC battery power supply. Additionally, a differential stereo output is included, as well as two digital audio I/O channels. The kit also includes the NXP Xtrinsic Sensor Fusion Toolbox, making it easy to deploy and rapidly prototype a wide variety of audio-related applications. The PCM1862EVM also offers a rich set of features that extend the evaluation and demonstration capabilities of the PCM1862 CODEC. These features include an integrated microphone amplifier, a temperature-controlled microphone amplifier, as well as integrated headphone drivers and a headphone impedance measurement system. The headphone impedance measurement system includes a power-measuring feature that checks the peak-to-peak voltage of a headphone signal and displays the result on the external display. From a hardware perspective, the PCM1862EVM offers a wide range of features such as a 3.5mm mini jack with a stereo mic/line input on the front left corner, a stereo line input on the back side, and a USB connection for setup/programming. Additionally, the board features a 4-way switch to enable multiple connection options such as a loopback and various mic/line configurations. This switch is also used to access the NXP Processor Expert application panel, which allows users to configure and control the board from their PC. The PCM1862EVM also includes the NXP Xtrinsic 10-Bit Voltage-Sampling (VSV) ADC, which offers an easy and robust way to capture audio-wave data. This ADC is capable of sampling input signals up to a rate of 96kHz and converting them to a 10-bit resolution sample rate. Furthermore, the VSV ADC has a dual-channel 24-bit digital sample expansion capability which makes it suitable for a range of stereo applications. The PCM1862EVM works on the principle of electrical impedance matching. This advanced technology process involves the use of resistors and inductors to achieve optimal impedance matching between different circuits. The board also includes a 7-band equalization circuit with several gain and filter settings to provide the best-suited audio output. The PCM1862EVM is designed to be powered and operated from an external 5V DC supply, or from an on-board 9V DC battery supply. The board also has integrated voltage-controlled amplifiers, which are designed to provide a clean output signal, free of distortion and noise. Additionally, the PCM1862EVM includes a linear power supply for the analog componentry, which ensures the maximum output levels are reached without introducing distortion into the signal chain.In addition to providing a wide range of features and setting options, the PCM1862EVM also contains a comprehensive set of software and tools. The PCM1862EVM software includes an extensive collection of driver libraries, application utilities, and graphical user interface (GUI) applications, allowing users to quickly and effortlessly setup and control the board. The PCM1862EVM software package also includes the NXP Xtrinsic Sensor Fusion Toolbox, which enables users to quickly and conveniently create their own custom audio-related applications from with the development environment. Overall, the PCM1862EVM Evaluation and Demonstration Board and Kit from Texas Instruments provides the audio engineer with a comprehensive testing and verification solution, from both a hardware and software perspective. The board is an ideal tool for realizing a wide variety of audio applications and designs, making it an extremely valuable resource for the modern audio engineer.

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