LTC2368CMS-18#TRPBF

Number of A/D Converters:	1
Base Part Number:	LTC2368
Supplier Device Package:	16-MSOP
Package / Case:	16-TFSOP (0.118", 3.00mm Width)
Operating Temperature:	0°C ~ 70°C
Features:	--
Voltage - Supply, Digital:	2.375 V ~ 2.625 V
Voltage - Supply, Analog:	2.375 V ~ 2.625 V
Reference Type:	External
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	SPI
Input Type:	Pseudo-Differential
Number of Inputs:	1
Sampling Rate (Per Second):	1M
Number of Bits:	18
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

Data Acquisition - Analog to Digital Converters (ADC) is a relatively general purpose technology that is used to convert analog signals into digital signals. The LTC2368CMS-18#TRPBF is an 18-bit, precision, low noise, low power, series SAR (successive approximation register) ADC. It has an input range of -2.5V to +2.5V and a 5V reference voltage. The ADC is capable of a maximum sample rate of 650 ksps with a monotonicity of less than 18 LSBs. This ADC has numerous features and benefits, making it a good choice for applications such as industrial process control, test and measurement, and medical instrumentation.

Applications

The LTC2368CMS-18#TRPBF is suitable for a wide range of applications where high speed and accuracy are both necessary. These applications include industrial process control, test and measurement, and medical instrumentation. Industrial process control requires precision measurements in order to optimize product quality and production rate. Test and measurement applications require the ability to accurately measure signals that may be dynamic in nature or require a high dynamic range. Medical instrumentation requires precise measurements of biological signals for accurate diagnosis and proper patient treatment.

Features and Benefits

The LTC2368CMS-18#TRPBF offers a number of features and benefits that make it a good choice for many different applications. First, the device has a wide input range of -2.5V to +2.5V, allowing it to measure a variety of signals. Second, it has low noise and low power consumption, making it an ideal choice for battery-powered applications. Third, it is capable of a maximum sample rate of 650 ksps, making it well suited for applications requiring a fast sample rate. Lastly, the device has a high-accuracy monotonicity of less than 18 LSBs, allowing it to make precise measurements.

Working Principle

The LTC2368CMS-18#TRPBF works on the principle of successive approximation register (SAR) analog to digital converter. This type of ADC works by first converting an analog input to an internal digital value. This is done by comparing the analog input voltage to a series of reference voltages within a SAR converter and storing each successive digital result in a register. A separate digital to analog converter is then used to convert the stored data back to an analog voltage, which is then compared to the original input voltage. The comparison between the analog input and the reconstructed analog output determines the desired digital result. The cycle is then repeated until the desired number of bits of resolution is reached.

Conclusion

The LTC2368CMS-18#TRPBF is a precision, low noise, low power ADC with an input range of -2.5V to +2.5V and a 5V reference voltage. It is suitable for a range of applications including industrial process control, test and measurement, and medical instrumentation. The ADC has a maximum sample rate of 650 ksps, making it well suited for applications requiring a fast sample rate, and a high-accuracy monotonicity of less than 18 LSBs. The ADC works on the principle of SAR, converting an analog signal to an internal digital value and then comparing the original analog input and the reconstructed analog output in order to determine the desired digital result.

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