ADS1208IPWR

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The Texas Instruments ADS1208IPWR is an analog-to-digital converter (ADC) designed for low-power, 24-bit, data-acquisition systems. The ADS1208IPWR is a multi-purpose, 24-bit, sampling ADC with a temperature-compensated reference. The device also integrates a low-power digital signal processor (DSP) and on-board EEPROM memory to simplify the design process. The use of a highvoltage reference and a 24-bit ΔΣ ADC reduces system noise and makes it suitable for use in high-precision data acquisition systems.

ADS1208IPWR belongs to the Special Purpose in Data Acquisition of ADCs/DACs category. It has versatile on-chip features including low-power 24-bit ΔΣ ADC and low-power DSP. It supports output resolutions down to 8 bits, with both buffered and unbuffered inputs for use with a wide variety of signals. Sampling rates up to 512ksps can be achieved. The built-in digital filter, along with the on-chip oscillator and programmable threshold detection blocks provide adjustable over-range detection and gain accuracy.

ADS1208IPWR\'s main application fields are in the industrial and automotive domains. Its combination of high accuracy and fast sampling allows it to be used in applications such as motor control and vibration monitoring. Additionally, its low-power operation and integrated temperature sensor makes it suitable for battery-powered systems or stationary applications where high-performance temperature measurement is required. Other applications also include photovoltaic systems, automotive, solar radiometers and turbine/flow monitoring.

The ADS1208IPWR offers a wide input voltage range, high resolution and low-power operation, enabling highly accurate data acquisition. It operates on a single supply from 4.5V up to 16V, and typically draws an average current of only 1.65mA. It provides two analogue input channels with a 200mV typical full scale range, with a maximum of ±4V. The built-in temperature sensor allows accurate measurement from -40°C to +125°C.

The internally generated voltage reference ensures high accuracy and excellent temperature stability, with a typical accuracy of 0.1% at 25°C. The reference voltage is derived from the reference voltage pin, with an accuracy of ±3mV. The reference voltage is adjustable with a single external resistor and is ideal for providing a precise fixed-point reference in applications such as closed-loop control systems.

ADS1208IPWR supports different ranges of sample rates, including 0.5ksps, 1ksps, 5ksps, 10ksps, 20ksps, 40ksps, 80ksps, 160ksps, 320ksps, and 512ksps. It is also equipped with a low-power integrated DSP core that provides on-the-fly data post-processing, such as averaging and threshold detection. The ADS1208IPWR also features an on-chip EEPROM memory for storing user-defined configuration settings such as averaging and scaling factors, making it easy to configure the device for a specific application.

Overall, the Texas Instruments ADS1208IPWR is an ultra-low-power ADC that is ideal for precision data acquisition applications in industrial and automotive settings. It has an adjustable reference voltage, low power consumption, and integrated on-chip EEPROM memory, making it a versatile and reliable option for data acquisition.

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