ADS8343E/2K5

Number of A/D Converters:	1
Base Part Number:	ADS8343
Supplier Device Package:	16-SSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 3.6 V, 5V
Voltage - Supply, Analog:	2.7 V ~ 3.6 V, 5V
Reference Type:	External
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	SPI
Input Type:	Differential, Single Ended
Number of Inputs:	2, 4
Sampling Rate (Per Second):	100k
Number of Bits:	16
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ADS8343E/2K5 Analogue to Digital Converters (ADC)Analogue to digital converters (ADC) are increasingly used in a variety of applications, from industrial process control and data acquisition systems, to medical diagnostic equipment and home automation systems. As such, the design and use of ADC products requires an understanding of their functionality and the supporting signal-processing technologies. The ADS8343E/2K5Analogue to Digital Converter (ADC) is a product designed by Texas Instruments to meet the demands of these applications. The ADS8343E/2K5 is an 8-bit Analogue to Digital Converter (ADC) that can convert a single input analog signal in the range of 0.6 to 2.6 V into a digital code representing the analog signal level. It is designed to provide high speed and low power consumption in applications that require simple, low speed data conversion and where power consumption is an issue.The ADS8343E/2K5 carries out the conversion process by converting the analog signal input into a digital word that is stored on an internal latch. The word is sent out as a sequence of digital values on the output bus. The digital output word can be used to represent the analog signal level in terms of “counts” from an ADC. The conversion time is referred to as the “sample rate” and is determined by the speed of the clock used in the ADC. The design of the ADS8343E/2K5, uses the “successive approximation” principle for ADC operation. This method involves a series of comparator operations to generate the output code. The analog signal is compared to successive digital refer- ence voltages of increasing value until the comparator reports that the analog signal is equal to or greater than the reference voltage. The reference voltage that is equal to or greater than the analog signal is then taken to represent the analog signal level.The ADS8343E/2K5 comes in a wide range of package options to suit various application requirements. These options include a small, miniature 8-pin SOIC package, a tiny “½” MSP microcontroller package and a 24-lead SSOP package for higher performance applications.Due to its low power consumption, and easy configuration with standard software solutions, the ADS8343E/2K5 is well suited for portable devices, medical equipment and process control systems. The device can also be used in data logging and monitoring applications as it can accept multiple analog inputs and support multiple conversion rate ranges with its internal or external clock. The ADS8343E/2K5 also has several features for enhanced power efficiency. The “Power Down” mode allows the digital logic to remain active while powering down the conversion circuitry, and the “Power Down/Sleep” mode allows the device to be placed in an extremely low power state while still retaining the information in the internal registers.In conclusion, the ADS8343E/2K5 is a highly versatile ADC that offers a wide range of features and low power consumption. This makes it an ideal choice for data acquisition and conversion applications, such as industrial process control and medical equipment, where its high accuracy and speed can be utilized. Its compact package further makes it an attractive choice for portable and hand-held devices.

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