DS1804U-100+T&R

Memory Type:	Non-Volatile
Base Part Number:	DS1804
Supplier Device Package:	8-uMAX
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	400
Temperature Coefficient (Typ):	750 ppm/°C
Tolerance:	±20%
Features:	--
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	--
Interface:	Up/Down (U/D, INC, CS)
Resistance (Ohms):	100k
Number of Taps:	100
Number of Circuits:	1
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital PotentiometersData acquisition (DAQ) is a term used to describe the process of measuring physical parameters such as pressure, temperature, velocity, or sound. Digital Potentiometers (DPs) are one type of data acquisition device used for such measurements. In the context of DAQ, DPs are commonly used for either controlling the output of an analog signal or measuring the input of a digital signal. The DS1804U-100+T&R is a digital potentiometer designed specifically for data acquisition applications. It is a high-precision, low-power device capable of providing resolution up to 15 bits. The device is built with two separate channels which allow for dual-channel operation, and features a nonvolatile memory which allows for reliable storing and retrieval of data. In addition, the device is equipped with a wide range of protection features such as over-temperature protection and ESD protection to help ensure reliable operation. When it comes to operation, the DS1804U-100+T&R is designed to be easy to use. All that is required to get the device up and running is to connect it to a PIC Microcontroller (MCU) via its Bidirectional Serial Interface (BSI). From there, basic configuration and parameter programming can be done through the I²C interface. The BSI can then be used to transfer data in both directions.The typical application field of the DS1804U-100+T&R is measuring the input of a digital signal. As previously mentioned, the device is equipped with two channels. The first channel is used to measure the input voltage and the second channel is used to provide the output voltage. Through its Bidirectional Serial Interface (BSI), the device is able to change the output voltage based on the input voltage received. The working principle of the DS1804U-100+T&R is based on the principles of resistance-divider circuits. Basically, the input voltage is divided between two resistors. Depending on the setting of the digital potentiometer, the voltage that is sent to the output can either be increased or decreased from the original input. The output voltage can be controlled either manually, through the I²C interface, or through the BSI. Overall, the DS1804U-100+T&R is a high-precision and low-power device designed specifically for data acquisition applications. It is capable of providing resolution up to 15 bits and comes with two separate channels for dual-channel operations. In addition, it is equipped with a variety of protection features and can be easily integrated with a PIC Microcontroller (MCU)using its Bidirectional Serial Interface (BSI). The device is typically used for measuring the input of a digital signal, and its working principle is based on the principles of resistance-divider circuits.

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