AD5263BRU50-REEL7

Memory Type:	Volatile
Base Part Number:	AD5263
Supplier Device Package:	24-TSSOP
Package / Case:	24-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	60
Temperature Coefficient (Typ):	30 ppm/°C
Tolerance:	±30%
Features:	Cascade Pin, Selectable Address
Voltage - Supply:	4.5 V ~ 16.5 V, ±4.5 V ~ 7.5 V
Series:	--
Interface:	I²C, SPI
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Part Status:	Obsolete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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Introduction:

The AD5263BRU50-REEL7 is a Digital Potentiometer data acquisition device. It is a 4-channel digital potentiometer with a resistance range of up to 125k ohms. It has a precision of 13-bit and a resolution of 0.001%. This device is also designed for low power consumption with an operating current of only 96μA (typical). It has a SPI (Serial Peripheral Interface) and a PMBus (Power Management Bus) interface for data transfer.

Application Field:

The AD5263BRU50-REEL7 can be used in a variety of application fields, including automotive, industrial, consumer electronics, medical and energy. For the automotive industry, the AD5263BRU50-REEL7 can be used to adjust headlight and tail light intensity, backlight brightness, window wiper speed, fan speed, and seat position. In the industrial field, this device can be used to adjust the speed of pumps and motors, and to adjust the temperature of ovens and evaporators. In consumer electronics, this device can be used to adjust the backlight brightness, the sound volume, the input gain and the vibration effect of an audio system. For medical applications, this device can be used to adjust the intensity of the monitor’s display, the sensitivity of sound, and the voltage of the vibrators of medical instruments. Finally, for energy applications, this device can be used to regulate power supply voltage and adjust the speed of fans for a better cooling performance.

Working Principle:

The AD5263BRU50-REEL7 is based on a 4-channel digital potentiometer (comprising two fixed resistors and one variable resistor) design. The variable resistor is connected between two I/O pins, while the two fixed resistors are connected in series between the I/O pins and the supply pin.When an external voltage is applied to the input pin, the device adjusts the wiper position of the variable resistor, in order to maintain a constant voltage ratio between the input and output pins. The resistance value for each channel is adjusted in steps of 0.001%, based on the 13-bit resolution of the device.The device has an on-board voltage regulator for supplying power and an on-board non-volatile memory for storing the resistance values and other settings. Data is transferred to the device through a SPI or PMBus interface.The device also has an on-board temperature sensor that can be used to monitor the internal temperature of the device, in order to extend its lifetime. The device also comes with an internal voltage reference which can be used to monitor and adjust the output voltage level.

Conclusion:

The AD5263BRU50-REEL7 is a 4-channel digital potentiometer data acquisition device. It is designed for use in a variety of automotive, industrial, consumer electronics, medical and energy applications. It has a precision of 13-bit and a resolution of 0.001%, and an operating current of only 96μA (typical). It has both a SPI and PMBus interface for data transfer. The device is based on a 4-channel digital potentiometer design, and has an on-board voltage regulator, a non-volatile memory, an on-board temperature sensor, and an internal voltage reference.

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