ADS1282IPWG4

Number of A/D Converters:	1
Base Part Number:	ADS1282
Supplier Device Package:	28-TSSOP
Package / Case:	28-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	PGA
Voltage - Supply, Digital:	1.65 V ~ 3.6 V
Voltage - Supply, Analog:	5V
Reference Type:	External
Architecture:	Sigma-Delta
Series:	--
Ratio - S/H:ADC:	--
Configuration:	ADC
Data Interface:	SPI
Input Type:	Differential
Number of Inputs:	1
Sampling Rate (Per Second):	4k
Number of Bits:	31
Part Status:	Active
Packaging:	Tube

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ADS1282IPWG4 Application Field and Working Principle

Data acquisition is the acquisition, measurement and analysis of data from the physical world. Analog to digital converters (ADC) are used to convert analog signals into digital signals and are essential components in data acquisition systems. The ADS1282IPWG4 is an integrated, low power, 24-bit sigma-delta analog-to-digital converter (SD ADC) for data acquisition applications. It combines several analog signal conditioning and interfaces to enable comprehensive data acquisition. This article will provide a brief introduction of the application field and working principle of the ADS1282IPWG4.

Application Field

The ADS1282IPWG4 is mainly applied in medical instruments, industrial process control, test and measurement, automotive, and other systems.In medical instruments, the ADS1282IPWG4 is used for patient monitoring: it is suitable for applications such as electrocardiography (ECG) and electromyography (EMG) in which a series of continuous analog electrical signals need to be measured. Using the ADS1282IPWG4, signals from multiple electrodes can be measured with high resolution and accuracy, and can also be easily synchronized.In industrial process control, the ADS1282IPWG4 is used to measure physical parameters such as temperature, pressure, and power: it provides precise real-time monitoring of parameters so that the entire system can be quickly and accurately respond to changes.For test and measurement, the ADS1282IPWG4 can be used to measure signals generated by test equipment, such as strain gauges, thermocouples and pressure transducers: its high resolution measurement ensures accurate results.In automotive systems, the ADS1282IPWG4 is integrated into various subsystems and components: it can measure physical parameters such as temperature, pressure, and displacement in order to improve the safety and performance of the system.

Working Principle

The ADS1282IPWG4 is based on the sigma-delta ( Sigma-Delta ) architecture, which is a kind of analog-to-digital converter with high resolution and fast conversion speed.The functional block diagram of the ADS1282IPWG4 is:The core of the ADS1282IPWG4 is the sigma-delta ADC, which includes a low-noise amplifier (LNA), a programmable gain amplifier (PGA), an analog-to-digital converter (ADC) and a digital sigma-delta modulator (DSM).The operation of the ADS1282IPWG4 can be divided into the following steps:First, the analog input signal is amplified by the low-noise amplifier (LNA) and the programmable gain amplifier (PGA) to ensure that the signal level is within the range of the ADC and to reduce noise.Then, the amplified signal is sampled by the ADC, and the sampled data is stored in the on-chip FIFO (First In First Out).The sampled data is sent to the digital sigma-delta modulator (DSM), which uses the sigma-delta quantization principle to process the data into digital signals.The output of the DSM is then processed by the on-chip digital filter to obtain the final digital output data.Finally, the data is sent to the output interface for output.In summary, the ADS1282IPWG4 is an integrated, low-power, high-precision Sigma-Delta analog-to-digital converter. It is mainly applied in medical instruments, industrial process control, test and measurement, automotive, and other applications. Its operation is based on the sigma-delta quantization principle, which includes analog signal conditioning, sampling, quantization, and digital processing.

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