MAX11609EEE+

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The MAX11609EEE+ is a high-accuracy, low-power, 14-bit successive approximation register (SAR) analog to digital converter (ADC). It digitizes signals up to ±4V with a resolution of 14 bits, with an effective resolution of 16 bits. The MAX11609EEE+ operates from a single 2.7V to 3.3V supply voltage and consumes only 4 mW of power in its active mode. It is designed to simplify the design of portable, low-power applications such as data acquisition, medical instrumentation, and battery-powered equipment. Additionally, the device is specified to operate over the extended, industrial (–40°C to +85°C) temperature range.

The MAX11609EEE+ offers a flexible input multiplexer (MUX), allowing the user to select single-ended or differential input signal sources. The MAX11609EEE+ has a true differential input signal range from +VREF to -VREF, with the common signal set to a ground reference. The REF input is used to choose the full-scale signal range, allowing for signals with a wide variety of dynamic ranges to be digitized. The REF input can be configured for either ±4V for unipolar inputs, or ±2V for bipolar inputs.

The MAX11609EEE+ features a low-power shutdown mode that reduces the total power consumption to less than 150 nW. It also contains an auto-calibration function that corrects internal offsets and gain errors when the device is in shutdown mode. This helps to ensure consistently low and accurate data throughout the life of the product. Other features of the device include an internal sample and hold circuit, programmable conversion rate, and an output rate limiter.

The MAX11609EEE+ provides flexible communication interfaces for control and data transmission. It features a serial peripheral interface (SPI) for 8- or 16-bit data transmission and a 3-wire serial port for low speed communications. The device also provides a test mode, which allows customers to measure and monitor the device\'s performance metrics. The MAX11609EEE+ can be operated in pulse-width modulated (PWM) mode, or as an analog-to-digital converter.

In addition to its simple design, the MAX11609EEE+ offers a wide range of performance parameters that make it an ideal choice for applications that require accurate, low-power analog-to-digital conversion. It has a maximum conversion rate of 1.5 MSPS, making it suitable for high-speed data acquisition applications, and it provides a ± 1 LSB maximum differential nonlinearity (DNL) and ± 3 LSB integral nonlinearity (INL) accuracy that ensures accurate digitized results. The device also includes an input sampling capacitor MUX, allowing for single-ended or differential input signals, making it perfect for applications that require a wide range of input dynamic ranges.

The MAX11609EEE+ is a versatile A/D converter that can be used in a variety of data acquisition and medical instrumentation applications. It can provide accurate analog-to-digital conversion for both unipolar and bipolar input signals. Its low power consumption ensures longer battery life for portable applications. In addition, its internal calibration feature helps to ensure accurate results over time, making it an ideal choice for applications that require high performance in a small form factor.

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