ADS8881CDGS

Number of A/D Converters:	1
Base Part Number:	ADS8881
Supplier Device Package:	10-VSSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	0°C ~ 70°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 3.6 V
Voltage - Supply, Analog:	2.7 V ~ 3.6 V
Reference Type:	External
Architecture:	SAR
Series:	microPOWER™
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	SPI
Input Type:	Differential
Number of Inputs:	1
Sampling Rate (Per Second):	1M
Number of Bits:	18
Part Status:	Active
Packaging:	Tube

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ADS8881CDGS is one a popular analog-to-digital converter (ADC) device in the data acquisition field. Today, its application field and working principle are discussed.Analog-to-digital converters (ADCs) are electronic devices which convert a continuous analog signal into a digital numerical representation. The ADS8881CDGS is an 8-bit single-ended ADC that operates from a single 2.7 V to 5.5 V power supply, making it suitable for many low-power applications. With a 500-ksps throughput, the ADS8881CDGS is designed for bi-directional conversion of low-level analog signals.The ADS8881CDGS provides 8 bits of effective resolution, which is adequate for most applications. The ADS8881CDGS\'s single-ended input and Programmable Gain Amplifier (PGA) enable it to be used with other single-ended data source devices without external amplification, as well as providing superior noise performance. The conversion rate of the ADS8881CDGS is 500 ksps, which is sufficient for most basic applications.The working principle of the ADS8881CDGS is based on the successive approximation register (SAR) architecture. This architecture consists of a comparator and a SAR. The analog input signal is compared to a reference signal in the comparator and then the SAR makes a series of guesses of the signal’s value. Each guess is compared to the analog input signal and then the SAR moves on to the next guess. This process is repeated until the signal is accurately represented in 8-bit digital form.The ADC also has a built-in reference voltage generator with a programmable gain amplifier (PGA). The PGA enables the user to configure the ADS8881CDGS for single-ended input signals, which eliminates the need for additional external gain stages. Additionally, it reduces the noise by using low-noise sample and hold devices and actively reduces digital crosstalk. The PGA also helps reduce power consumption by allowing the user to select the gain setting that suits their application.The application field of the ADS8881CDGS includes medical, industrial, automotive, and consumer electronics. It can be used in medical equipment to convert physiological signals into digital data for processing. In industrial applications, the ADS8881CDGS can be used for temperature, pressure and position sensing. In automotive applications, it can be used for engine and emission control. In consumer electronics, the ADS8881CDGS can be used for audio and video processing.The ADS8881CDGS is an example of a versatile ADC which offers an excellent performance in a wide range of applications. Its low power consumption, small size and flexibility make it ideally suited for many applications. With its 8-bit single-ended input and 500 ksps throughput, it is a popular choice for low power applications.

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