Maxim Integrated MAX1231BEEG+ is a high-performance 16-channel, 12-bit successive approximation register (SAR) analog-to-digital converter (ADC) designed for precision data acquisition and industrial control systems. Operating at a sampling rate of 300ksps, this ADC supports both single-ended and differential inputs, offering versatility in signal measurement.
The device is packaged in a compact 24-pin QSOP surface mount package measuring 8.75mm in length and 1.75mm in height, facilitating easy integration into modern electronic designs. Its operating voltage ranges from 3.6V maximum to 5V minimum, with low power consumption of approximately 1mA at full speed, making it suitable for battery-powered applications.
The MAX1231BEEG+ includes an internal temperature sensor with ±0.7°C accuracy, enhancing system monitoring capabilities. It also provides a 16-entry first-in/first-out (FIFO) buffer to streamline data handling and an internal 2.5V reference voltage with capability for external differential reference input.
Communication is achieved through a versatile 3-wire SPI-compatible interface supporting serial, Microwire, and QSPI protocols. The ADC maintains high accuracy with ±1 LSB integral and differential non-linearity over a wide temperature range from -40°C to 85°C, ensuring reliable performance in demanding industrial environments.
This device is ideal for applications including industrial automation, data logging, instrumentation, patient monitoring, system supervision, and other precise data acquisition tasks.
Features a SAR architecture for precise analog-to-digital conversion. Supports single-ended and differential inputs. Operates with supply voltage between 3.6V and 5V. Includes internal temperature sensor with ±0.7°C accuracy.
Provides 16-entry FIFO buffer for data management. Interfaces via SPI, QSPI, Microwire protocols. Compact 24-pin QSOP surface mount package. Wide operating temperature range of -40°C to 85°C. Accuracy: ±1 LSB INL and DNL, no missing codes over temperature.
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