X9259UV24IT1

Memory Type:	Non-Volatile
Base Part Number:	X9259
Supplier Device Package:	24-TSSOP
Package / Case:	24-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	220 (Max)
Temperature Coefficient (Typ):	±300 ppm/°C
Tolerance:	±20%
Features:	Selectable Address
Voltage - Supply:	5V
Series:	XDCP™
Interface:	I²C
Resistance (Ohms):	50k
Number of Taps:	256
Number of Circuits:	4
Configuration:	Potentiometer
Taper:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Data Acquisition - Digital PotentiometersThe X9259UV24IT1 control system is a digital-analog converter (DAC) IC chip with a fully integrated digital potenitiometer (DP) which provides a versatile, high precision control system for any application which requires a fine digital-analog conversion. This makes the X9259UV24IT1 perfect for use in data acquisition devices, such as digital thermometers, and for providing precise digital control for larger systems, such as an automation system. The X9259UV24IT1 chip contains an 8-bit analog-to-digital (A/D) converter, and contains internal analog circuitry which can directly drive a load or be used to generate a pulse-width modulation (PWM) signal. It also includes a reference voltage source which provides an adjustable voltage to ensure that the accuracy of the system is maintained as the load varies. This chip also includes a serial interface which provides an easy way to control the chip or communicate with other devices. The X9259UV24IT1 is a highly versatile digital poteniometer that is designed for any application where digital control of an analog output is desired. Its applications are varied but most commonly used for data acquisition devices, digital thermometers, pulse-width modulated systems, and automated control systems. It is also used in light intensity and temperature control, motor speed and acceleration control, and audio equalizers. The X9259UV24IT1 digital potentiometer is designed to provide a precise control of an analog voltage or current to within .05%, a high accuracy rate for digital potentiometers. It is designed to operate from -25°C to +85°C and consumes very low power. The on-board reference voltage source provides a stable output even when the load varies. It also includes protection circuits to protect against over-voltage and current surges, enabling it to operate in noisy environments and hazardous areas.The X9259UV24IT1 chip is controlled via an I2C serial interface that is compatible with most microcontrollers. The I2C slave address of the chip is configurable, allowing up to 128 chips to be connected on a single bus. The data on the bus is sent in standard binary format which makes it easy to integrate into existing systems or devices. The working principle behind the X9259UV24IT1 is quite simple. It is essentially an 8-bit digital potentiometer with a voltage reference that can be adjusted based on the user\'s needs. The actual analog output of the chip is controlled by the digital output of the chip, which is determined by the binary data which is sent to the I2C bus. The actual current or voltage output can be adjusted by either varying the voltage reference or adjusting the binary data being sent to the chip.

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