MAX1187BEUI+

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The MAX1187BEUI+ is an Analog-to-Digital Converter (ADC) used in data acquisition applications. It provides a single-chip solution that reduces parts count and simplifies design. The device includes a 12-bit, low-power ADC with an integrated 4 kV ESD-protected digital isolator and an SPI interface. It is designed to convert signals from an analog input across a wide range of dynamic ranges with high linearity and resolution. It is capable of processing signals with a frequency range of up to 30 MHz and providing a fixed resolution of 12 bits.

This high accuracy ADC is applicable for a variety of industrial, automotive and consumer applications. These include digital metering, building automation, industrial process control, automotive diagnostics and in-vehicle infotainment systems. The device is also suitable for medical applications, featuring high resolution and accuracy.

The analog input can be connected to a variety of sensors including thermocouples, RTDs, strain gauges and piezo-type sensors. The device also contains a comparator with over-and under-voltage protection.

The device operates with a single supply voltage of 3 V to 3.6 V and includes an on-chip voltage reference. The SPI makes it easy to interface to a variety of microprocessors and microcontrollers, as well as to microchips with an SPI-enabled peripheral. There are also built-in power saving modes, including a stop mode, standby mode and sleep mode that allow for extended battery life.

The device is housed in a compact 10-pin TSSOP package and is ideal for low-power, board-level designs. The MAX1187BEUI+ is also RoHS compliant, and is available with lead-free and green processes.

The MAX1187BEUI+ is designed for operation up to 30 MHz and utilizes a successive approximation ADC architecture for fast, accurate conversion. It features a dual-slope conversion architecture that provides excellent linearity and accuracy. The internal reference is an on-chip 10 V DAC with a differential nonlinearity of 0.04%.

The MAX1187BEUI+ includes a 4kV ESD protected digital isolator. This isolator prevents structural ground loops from occurring, which can result in noise and interference. The device also features selectable gain and offset calibration to provide flexible data conversion for a wide range of signal levels, temperature ranges and environmental conditions.

The device also features additional features such as programmable power-up delay, an external reset control pin, an active-low reset, watchdog timer and ultrasonic rejection filter. This makes the device suitable for use in noisy environments, such as automotive and industrial systems.

Overall, the MAX1187BEUI+ is an ideal solution for signal acquisition applications requiring accuracy and precision. It provides up to a 12-bit resolution signal conversion in a compact package, while delivering a low-power, low-cost solution.

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