LTC1861CMS#PBF

Number of A/D Converters:	1
Base Part Number:	LTC1861
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	0°C ~ 70°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	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
Sampling Rate (Per Second):	250k
Number of Bits:	12
Part Status:	Active
Packaging:	Tube

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Introduction

The LTC1861CMS#PBF provides a high-resolution 8-bit parallel A/D conversion capability for a range of applications. It has a programmable 0-Vref range for input signal verification and includes an internal reference for 0-Vref operation. The device features a rail-to-rail input range with a 16-bit serial interface and also supports low power consumption. This product helps to minimize board space requirements by providing a user-friendly line up of applications.

Application Field of LTC1861CMS#PBF

The LTC1861CMS#PBF is primarily intended for use as an analog data acquisition system in applications such as signal processing, measurement devices, network interfaces and embedded systems. Its low-cost, high resolution, low power and flexibility make it suitable for a wide range of applications. The device can also be used in OEM products, PLC\'s, and distributed systems.The LTC1861CMS#PBF is suitable for applications where input and output currents must be measured simultaneously. The low-cost, high resolution, low power and flexibility of the device make it suitable for applications that require simultaneous analog to digital data acquisition. It is also suitable for applications where sensitive instrumentation measurements must be made every 8-bit clock cycle.

Working Principle of LTC1861CMS#PBF

The LTC1861CMS#PBF converts an analog input signal into an 8-bit parallel digital signal by sampling it with the A/D converter integrated circuit. The converter accepts a voltage input varying between 0 and Vref, where Vref is the reference voltage. The digital output is compared to the input signal in successive 8-bit cycles and, when the two numbers match, the output signal is changed and the process repeats again.The device has a 16-bit serial interface, which can be used to control the sample rate, accuracy, power consumption and many other features. It can be used for data transmission applications such as CAN, LIN and SPI. The LTC1861CMS#PBF also includes an 8-bit reference current that can be programmed to provide a better accuracy in ADC conversion.

Conclusion

The LTC1861CMS#PBF is a low-cost, high-resolution, low-power A/D converter that is suitable for a wide range of applications. Its flexibility, 8 bit reference current, rail-to-rail input range and 16-bit serial interface make it suitable for data acquisition in applications such as signal processing, measurement devices and embedded systems. As the device can be used for up to 8-bit ADC conversions, it is a very efficient way of converting analog signals into digital signals.

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