MAX9694EVKIT+

Evaluation and Demonstration Boards and Kits are tools used to evaluate, prototype, and demonstrate a chip’s performance in a given application. MAX9694EVKIT+ is one of the newly developed evaluation and demonstration boards and kits from Maxim Integrated, which is designed to evaluate the features of the MAX9694 low-power op-amps. MAX9694EVKIT+ includes two-op amp-on-a-chip and provides users with easily adjustable output signals. It is intended for audio applications, AC-driven loads, automotive sensors, and other low-power op-amp applications.

Application Field

As a low-power op-amp evaluation and demonstration kit, MAX9694EVKIT+ can be used for multiple applications. It can be used in audio applications like portable players, digital-to-analog conversion, and acoustic filtering, as well as in automotive applications including air pressure sensors and suspension control. Additionally, it can be utilized in AC-driven load applications, including switching power supplies, high-voltage reducers, and phase-locked loops. It can be applied in any sensor requiring a current output, and its wide range of voltages from 2.7V to 5.5V makes it applicable for a broad range of applications.

Working Principle

MAX9694EVKIT+ is composed of a MAX9694 dual-channel op-amp IC and the reference board. An adjustable gain solution is featured on the reference board, allowing users to select a desired gain from +1 to +32 with larger gain above +7 made possible by calculating in software. Power is supplied from a power adapter, DC-DC convertor, or USB port, and the two outputs of the evaluation board can be connected to load resistors for AC or DC outputs.

The MAX9694EVKIT+ accepts signals from a DC voltage input, and provides a DC current output, making it suitable for applications in current output transducers. The adjustable gain solution allows the user to set various gains on the board, and it can be connected directly to resistive and capacitive loads. It is designed for low supply current and can operate from a supply current of 0.75 μA and 0.2 μA in shutdown mode.

Conclusion

As a newly developed evaluation and demonstration board and kit from Maxim Integrated, MAX9694EVKIT+ is designed to evaluate the features of the MAX9694 low-power op-amp. It is suitable for audio applications, automotive sensors, AC-driven load applications, and other low-power op-amp applications. It features an adjustable gain solution, allowing users to select a desired gain from +1 to +32. Its low supply current and wide range of voltages from 2.7V to 5.5V make it applicable for a broad range of applications.