MAX11801ETC+

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Data acquisition controllers have simplified the integration of multiple sensors into a single system, allowing for improved accuracy and reduced latency in the readout of data. The MAX11801ETC+ is a high-performance touch screen controller specifically designed for demanding industrial, medical and consumer applications. It offers advanced features that enable robust and reliable system control, such as triggered scanning (to reduce read cycle time and improve accuracy) and touchscreen buttons that are flush with the display surface, thus providing enhanced usability and durability.

The MAX11801ETC+ features a patented Analog Front End (AFE) which combines signal conditioning, signal routing and signal amplification in a single integrated circuit. This single chip solution eliminates the need for external components like op-amps, resistors and other signal conditioning components which greatly simplifies the design and provides superior performance. The signal conditioning also allows for better signal accuracy by providing adjustable signal gains and offsets.

The AFE also offers four independently configurable touchscreen buttons that allow for adjustable finger-sensing ranges, making it ideal for applications with variable user input. The MAX11801ETC+ also includes a resistive touchscreen controller that supports two, three and four-wire resistive touchscreens. The integrated resistive touchscreen controller consists of an ADC with coarse and fine resolution touch detection, an 8-bit programmable gain amplifier, a 4-bit internal DAC and an 8-bit mixing coefficient for flexible signal conditioning.

The MAX11801ETC+ also features built-in Voltage Programmable Gain Amplifiers (VPGA) and differential data outputs for improved performance and compatibility with industrial protocols such as RS-422, RS-485 and CAN. The VPPGA also allows for adjustable signal gains and offsets, which makes it ideal for demanding industrial applications that require a wide signal range and high resolution. The MAX11801ETC+ supports operating temperatures from -40°C to 85°C, making it a reliable choice for industrial and consumer applications.

The MAX11801ETC+ also offers an embedded EEPROM that can store up to 512 bytes of configuration data. This data can be used to modify the controller’s performance such as adjusting the touchscreen sensitivity or setting voltage ranges and calibration values. The EEPROM also allows for simple, non-volatile programming, allowing the controller to maintain its configuration settings even when the power is turned off.

In addition, the MAX11801ETC+ features a 32-bit ARM Cortex-M4 processor core, which provides excellent performance and processing power for complex touch screen and data acquisition applications. The processor also features an optional cryptography engine and supports various encrypted communication protocols, making it suitable for secure data transmission applications. The processor is also fully programmable and features a range of peripherals such as SPI and I2C interface for easy integration with external components and sensors.

The MAX11801ETC+ is an ideal choice for applications requiring a high-performance touch screen controller that can provide robust and reliable operation in a wide range of industrial, medical and consumer environments. Its wide temperature range and integrated VPPGA and EEPROM make it a great solution for demanding applications, while its low power consumption makes it a great choice for battery-powered operations. The processor-based architecture also makes it suitable for complex data acquisition and touch screen applications, providing excellent performance at an economical price.

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