LTC1282BCSW#PBF

Number of A/D Converters:	1
Base Part Number:	LTC1282
Supplier Device Package:	24-SOIC
Package / Case:	24-SOIC (0.295", 7.50mm 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, ±3V
Reference Type:	Internal
Architecture:	SAR
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	Parallel
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	140k
Number of Bits:	12
Part Status:	Active
Packaging:	Tube

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Introduction

The LTC1282BCSW#PBF is a low-cost and highly integrated 16-bit analog to digital converter (ADC) from Texas Instruments. It is a tailor-made for highly accurate, low-power applications. It is designed for data acquisition and signal monitoring applications with very low power consumption, allowing for devices working in battery-powered applications. As a result, the LTC1282BCSW#PBF is a cost-effective solution for applications such as medical, security and surveillance, consumer wearables and other portable medical, consumer and industrial systems.

Features

The LTC1282BCSW#PBF is a highly integrated, high performance low-power analog-to-digital-converter (ADC). A few of its features include: - 16-bit resolution. The LTC1282BCSW#PBF offers high accuracy and resolution, allowing for accurate data acquisition in noisy environments. - Low power consumption. The LTC1282BCSW#PBF\'s quiescent current consumption is only 650 μA (typ) enabling device operation on battery-powered systems. - A low power sleep mode. The LTC1282BCSW#PBF has a power-saving sleep mode that allows for devices working on battery-powered systems to remain in lower power states for longer.- Multiple communication interface options. The LTC1282BCSW#PBF supports multiple communication interfaces such as SPI, single-ended and differential analog voltage inputs, and single-ended and differential analog voltage outputs.- Input drift. The LTC1282BCSW#PBF features a low input drift, which allows it to deliver a high-quality data stream even in large temperature variations.

Applications

The LTC1282BCSW#PBF is a cost-effective solution for any data acquisition or signal monitoring application. Applications where it is indispensable include medical systems, security and surveillance systems, consumer wearables, and portable medical, consumer, and industrial systems. It can be used in applications such as monitoring of glucose levels, data logging, monitoring of pulse rate, measuring of environmental parameters, and measuring of voltage and current in industrial systems.

Working Principle

The LTC1282BCSW#PBF operates on the principle of analogue-to-digital conversion. This is a process of converting an analogue signal into digital format, with the output from the ADC being a two\'s complement binary number. The LTC1282BCSW#PBF is a successive approximation register (SAR) type ADC where the conversion occurs in two steps - first, an analogue signal is converted to binary, and second, it is converted to digital.In the first step of the process, the LTC1282BCSW#PBF will compare the analogue input with an internally generated reference voltage. If the input is greater than the reference voltage, a ‘1’ is stored in the register and if the input is lower than the reference voltage, a ‘0’ is stored. This process is repeated for each bit of the register until all bits are successfully converted. The second step is to convert the binary values from the register to a two’s complement format where each bit is assigned a weighted value. The output for each bit is calculated according to its weighted value and added to the previous bits to generate the digital code.

Conclusion

The LTC1282BCSW#PBF is a highly integrated, cost-effective analog-to-digital converter designed to provide high accuracy and low power consumption. It is tailor-made for data acquisition and signal monitoring applications and is an ideal solution for applications such as medical systems, security and surveillance systems, consumer wearables and portable medical, consumer, and industrial systems. The ADC operates on the principle of analogue-to-digital conversion, with the conversion process occurring in two steps - comparison with a reference voltage, and two’s complement conversion of the binary data.

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