ADS8318IBDGSR

Number of A/D Converters:	1
Base Part Number:	ADS8318
Supplier Device Package:	10-VSSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	2.375 V ~ 5.5 V
Voltage - Supply, Analog:	5V
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):	500k
Number of Bits:	16
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Analog to Digital Converters (ADC) are key components in data acquisition systems. They are used to convert analog signals into digital values that can be used in a computer or other digital circuits. One of the most popular ADCs today is the ADS8318IBDGSR, a low power, high performance, 8-bit analog to digital converter from Texas Instruments. This article will discuss the application field of the ADS8318IBDGSR and its working principle.

Application Field

The ADS8318IBDGSR is a popular choice for many applications that require precise analog to digital conversions with minimal power consumption. The device operates at 3.3V and supports up to 200kSPS conversion rate, making it ideal for battery-operated applications. It provides excellent AC performance with a signal-to-noise ratio of over 75 dB with 10MHz of signal bandwidth.The ADS8318IBDGSR is suitable for applications where wide signal bandwidths are needed such as communications, instrumentation, and signal processing. It has very fast conversion times, making it well suited for measurement and control applications. This device is often used in areas such as factory automation, medical equipment, automotive applications, and consumer electronics.

Working Principle

The ADS8318IBDGSR is a successive approximation register (SAR) ADC. This type of ADC works by comparing the input signal to a set of reference voltages successively until the correct output code is found.The device is composed of several components such as the analog input, the digital control block and the comparator. The analog input is where the input signal is applied. The reference voltage and the switching signals are generated by the digital control block. The comparator compares the input signal and the reference voltage and produces an output which is encoded in binary using a successive approximation register (SAR). The encoded values are sampled and stored in the output register and can then be sent to a digital circuit.The ADS8318IBDGSR is capable of operating in both single-ended and differential operation modes. In the single-ended mode, the analog input is compared to a static internal reference voltage. In the differential mode, the differential input is compared to the internal reference voltage.

Conclusion

The ADS8318IBDGSR is an ideal choice for a wide range of data acquisition applications. The device is low power, has excellent AC performance, and supports up to 200kSPS conversion rate. Additionally, it offers single-ended and differential operating modes for increased accuracy and flexibility. The device is suitable for a variety of applications in areas such as communications, instrumentation, signal processing and the automotive industry.

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