ADS1203IPWRG4

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Data Acquisition - ADCs/DACs - Special Purpose - ADS1203IPWRG4

ADS1203IPWRG4 is a precision, low power, high performance integrated data acquisition system suitable for a wide range of applications. It provides excellent signal to noise ratio and has the ability to draw power from either a 3V battery or USB power supply. It consists of three integrated blocks, namely an analogue to digital converter (ADC), a 1.5V voltage reference, and a 2.5V low drop-out voltage regulator (LDO).

The ADS1203IPWRG4 is a low power, high precision data acquisition system with a simultaneous sampling rate of up to 200kS/s. The device features integrated voltage reference and low-dropout (LDO) regulator, as well as high input impedance, current source and low output noise. It has signal-to-noise ratio (SNR) of 90 dB (in FFT mode), signal-to-noise+distortion ratio (SINAD) of 75 dB and effective number of bits (ENOB) of 14.6 bits. It also has selectable gain, offset and bandwidth settings.

The ADS1203IPWRG4 can be used in a wide range of applications, including medical, automotive, industrial, instrumentation, metrology and military. It can be used for data acquisition, signal conditioning, signal processing and signal transmission. It can also be used as a signal sorter, or as a signal selector.

ADS1203IPWRG4’s working principle is fairly simple, involving the measurement of differential input signals at two input pins and the conversion of those signals into digital output. The ADC has a maximum differential input of Vref / 2. The differential signals are converted to a single ended signal by a differential input preamplifier. This single ended signal is then amplified and fed to the successive approximation register (SAR) which performs the A/D conversion. The SAR stores the digital output until it is serially read out at the serial data output.

In order to improve linearity and reduce errors, the ADS1203IPWRG4 implements an offset calibration stage. This stage automatically adjusts the offset of the input signal, by adjusting the gain of the first op-amp in the front-end. This yields improved accuracy and better signal quality over the entire range of inputs. Other features of the ADC include wide dynamic range, low power consumption and the ability to operate between 0°C and 85°C.

In conclusion, the ADS1203IPWRG4 is an excellent data acquisition system for a wide range of applications. It features low power consumption and a high linearity, making it suitable for both low and high precision applications. Additionally, its offset calibration phase also provides improved accuracy and better signal quality.

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