AFE4403EVM

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Texas Instruments\' AFE4403EVM evaluation board and kit have been widely used in various industries, such as automotive, consumer, telecommunications, medical, and industrial applications. The board and kit are meant to evaluate the performance of the AFE4403 integrated analog front end ICs (integrated circuit). It measures various electrical signals, including micro- and macro-volts, milliamps, and application-specific analog signals. Specifically, the AFE4403EVM can measure three common analog signals, including the pressure difference, current, and voltage variables.

The AFE4403EVM evaluation board and kit offer a range of features to ensure easy and accurate operation. It is equipped with a 5V power supply, five 10-turn potentiometers, eight relays, two input selective gain resistors, an FPGA logic system, two signal conditioning and isolation boards, a temperature compensation board, and several LCD output screens. Furthermore, the board and kit also include a TI C2000 Type-JTAG-Remote System such as a Code Sequencer, Debug Module, Integrated Development Environment (IDE) and Assembler. Moreover, users can access additional software and hardware on the internet, making the AFE4403EVM even more comprehensive.

The working principle of AFE4403EVM is based on the TI AFE4403 integrated circuit. This IC includes the complete circuit, allowing interfacing with other devices. Specifically, it has two channels of programmable current and voltage absolute value ports (Ia and Ib) and two channels absolute differential port (Id). In addition, the AFE4403 also includes a two-channel single-ended input port (P, Q) and a two-channel differential input port (A, B).

The AFE4403EVM board uses the TI AFE4403 integrated circuit and corresponding software to enable measuring various electrical signals. The board includes several components such as the microcontroller, sensor, signal conditioning circuit, and two input gains. The microcontroller is responsible for generating the control signals to the AFE4403 and for communicating with the PC software. The sensors are used to detect the input signals. The signal conditioning circuit amplifies and modulates the input signals. The two input gains are used to provide variable gain adjustment.

The board also has two microprocessors, namely the C2000 Piccolo TMS320F28027 and C6713 DSP. The Piccolo is used to generate the control signals for the AFE4403. The C6713 DSP is used as a signal processor to supply the microprocessor with the control signals and to analyze the input signals. With the help of software on a PC, users are able to configure the board accordingly and measure the desired signals.

The board and kit offer advanced features and capabilities, allowing professionals to carry out complex measurements. Moreover, the board and kit allow for the integration of the AFE4403 integrated circuit with various other devices, enabling the measuring of various application-specific signals. This makes it a great choice for a wide range of industries. Through its various features and working principle, the AFE4403EVM has become a standard for evaluation and demonstration of analog signals.

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