MAX196BEWI+T

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The MAX196BEWI+T is a high precision analog-to-digital converter (ADC) used in various applications including test and measurement and medical imaging. It is suitable for applications providing accurate acquisition of low-level signals from various transducers. The device’s low power consumption, architecture, and signal-to-noise performance make it an ideal choice in applications where high accuracy and signal integrity are required.

The MAX196BEWI+T is a 12-bit, simultaneous sampling, multi-range, 8-channel ADC (ADC) designed to convert multiple analog input signals into digital words in a single conversion cycle. This ADC provides four ranges: a low full-scale (30 mV), medium-range (90 mV), high-range (430 mV), and full-scale (1 V). The device can operate at either 16- or 18-bit resolution, depending on the particular application. Additionally, it can maintain +/- 0.1% maximum integral error over temperature, and the full-scale input voltage can be adjusted to provide a maximum resolution of 8 bits.

The MAX196BEWI+T operates in the range of 3-5V and is specified for operation from -20 to +60 °c. The ADC has a sampling rate of 200 ksps with selectable digital filter parameters. It has an integrated A/D Clock Generator (ACG) and a programmable phase-locked loop (PLL) for system clock generation. The on-board ±4 V reference avoids noise and temperature drift effects, which enables stable readings.

The MAX196BEWI+T is designed with 8 differential analog inputs and requires a high-accuracy, two-wire CS/SPI interface for communication with the host processor. It provides latch-writeable registers that allow adjustment of Full-Scale Input, A/D Resolution, Digital Filter Settings, and Sampling Rate. The device supports Read, Write, and Idle cycles, and also features an interrupt output signal to indicate when a conversion is complete. The chip incorporates data protection and write protection features that enhance security.

The MAX196BEWI+T is a single-chip solution for applications requiring accurate, high-speed acquisition of low-level analog signals, such as pressure transducers, pH meters, and temperature and humidity sensors. With its low power consumption, fast throughput rates, and high signal-to-noise performance, it is an ideal choice for many demanding applications where accurate and reliable data is required. This highly integrated device eliminates the need for external components, thus reducing system complexity and cost.

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