LTC2418IGN#TRPBF

Number of A/D Converters:	1
Base Part Number:	LTC2418
Supplier Device Package:	28-SSOP
Package / Case:	28-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C
Features:	--
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Reference Type:	External
Architecture:	Sigma-Delta
Series:	microPOWER™
Ratio - S/H:ADC:	--
Configuration:	MUX-ADC
Data Interface:	SPI
Input Type:	Differential, Single Ended
Number of Inputs:	8, 16
Sampling Rate (Per Second):	7.5
Number of Bits:	24
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Advantages of LTC2418IGN#TRPBF in Data Acquisition – Analog to Digital Converters (ADC) Data Acquisition or DAQ as it is commonly known as is a process or acquisitions and of converting physical parameters into meaningful digital signals for further engineering processes and applications. With industrialization and technological advances, DAQ is extensively used in various industrial, scientific and commercial applications. For data acquisition from any analog signals, analog to digital converters (ADC) are used. ADC plays a vital role in DAQ where the desired analog signal is digitized with the help of an ADC into digital values (bits) so that it can be further stored and analyzed to draw results. To carry out precision data acquisition, ADC\'s with high resolution and accuracy should be used. The LTC2418IGN#TRPBF is one such ADC that is specifically designed for providing accuracy with low noise analog input signals and achieving resolutions as high as 16b. To ensure complete accuracy and precision, LTC2418IGN#TPBF consists of integrated capacitive networks, which makes the signals fool proof and reduces errors significantly.The LTC2418IGN#TRPBF has wide range of applications and can be used in various industries and fields such as industrial automation and control, audio systems, medical imaging, power systems, automation of chemical processes and measurement systems. The device is quite popular for its precision, lower noise and low EMI noise and is used in various mission critical applications. The working principle of LTC2418IGN#TRPBF is based on SAR technology. It has extended common or differential inputs and internal clock for ensuring higher performance. The input signals can vary from 4mV to 5V, which is usually in the range of standard data acquisition applications. The successive approximation register (SAR) technique helps in selecting the best possible output so that it can accurately convert analog input into digital output with higher resolution and accuracy. The digital output is a proportion of the analog input to the voltage reference. The digital output is then applied to the internal digital word which is then compared with the digital word stored in the SAR register. Depending on this comparison, the digital word is updated which is then fed to the DAC register to generate the corresponding analog voltage which is then compared with the analog input at the SAR register. The delay between the switching is based on sampling frequency for the ADC or the frequency of the clock applied to the internal capacitor. The exact value of the capacitance depends on the ADC specifications and requirements. The process of comparison continues till the exact corresponding digital word is selected from the SAR register.As mentioned earlier, the resolution and accuracy depends on the number of bits stored in the ADC and also the number of comparators and capacitors used. The LTC2418IGN#TRPBF uses 18- bit ADC which guarantees higher resolution and accuracy and hence is highly suitable for low noise and high accuracy data acquisition applications. The capacitor for sampling the signal is an important factor for achieving high resolution and accuracy in ADC\'s. The LTC2418IGN#TRPBF uses an on-chip capacitor which is an advantage as it helps to reduce noise and helps to completely isolate the input signal from the noise from the outside environment, which increases the overall reliability of the ADC. The LTC2418IGN#TRPBF also uses some integrated amplifier circuits to reduce the noise, which further increases its accuracy. In conclusion, the LTC2418IGN#TRPBF is an attractive choice for data acquisition applications requiring precision and accurate analog to digital conversions. With its extended input ranges, integrated capacitive networks, higher resolution and noise isolation, it can fulfill all the needs of the most demanding of applications.

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