ADS1203IRGTTG4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Modulator
Number of Channels:	1
Resolution (Bits):	16 b
Sampling Rate (Per Second):	40k
Data Interface:	Serial
Voltage Supply Source:	Single Supply
Voltage - Supply:	4.75 V ~ 5.25 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	16-VFQFN Exposed Pad
Supplier Device Package:	16-QFN (3x3)
Base Part Number:	ADS1203

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ADS1203IRGTTG4 application field and working principle

The ADS1203IRGTTG4 is an integrated signal conditioning system for magnetic field sensor measurement. It integrates signal conditioning with high resolution analog-to-digital converter (ADC) and programmable digital signal processor (DSP), allowing a single chip solution for a variety of applications such as tilt sensing, magnetic field monitoring, current sensing and microwave signal detection.The ADS1203IRGTTG4 is based on a 12 bit resolution, Delta-Sigma (Δ–Σ) ADC that features programmable gain and a flexible programming architecture to meet the requirements of different applications. The device has a throughput up to 15 samples per second and is able to measure a range of up to ±2500 mGauss (±25 G) with accuracy of ±0.5%. Every Δ–Σ AD converter following the zero-crossing principle of operation. The signal is chopped by a modulator, the output of the modulator is then integrated over one period of time and sampled by the ADC converter. The signal is then decimated which is the same as narrowing the bandwidth.

ADS1203IRGTTG4 application field

The programmable gain of the ADS1203IRGTTG4 makes it suitable for a wide range of applications. It can be used for magnetic field measurement, current sensing, switch and transmission line monitoring, and communications signal detection.The sensor can be used for high resolution magnetic field sensing in automotive, aerospace, medical, and industrial applications. In automotive applications, the device can measure the position of a steering wheel, operation of switches and buttons, and the position of the accelerator and brake pedals. In aerospace applications, the device can measure the orientation of an airplane and the distance to a runway. In medical applications, the device can measure the body temperature, pulse rate, respiratory rate and cardiac activity.

ADS1203IRGTTG4 working principle

The ADS1203IRGTTG4 works by amplifying a small input voltage or current and converting it into a digital signal. The input voltage is then chopped and digitally converted into a series of binary numbers. These binary numbers are then converted into analog representation, which is also referred to as a scaler output.The device utilizes a programmable gain amplifier (PGA) to amplify the input voltage and converts it into a digital signal. Next, the signal is chopped and digitally converted into a series of binary numbers. These binary numbers are then converted into analog representation by a digital-to-analog converter (DAC). This analog representation is also referred to as scaler output.The scaler output is then further processed by the programmable digital signal processor (DSP) to determine the actual input voltage or current. The DSP provides additional features such as digital filtering and data smoothing, enabling the ADS1203IRGTTG4 to achieve high resolution measurements.

Conclusion

The ADS1203IRGTTG4 is an integrated signal conditioning system that enables high resolution, integrated measurements of a wide range of magnetic field sensors. It features a high resolution 12 bit Δ–Σ ADC, programmable gain, flexible programming architecture, and a digital signal processor providing features such as digital filtering and data smoothing. The device is suitable for a wide range of applications including high resolution magnetic field sensing in automotive, aerospace, medical, and industrial applications.

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