AD5248BRMZ10-RL7

Memory Type:	Volatile
Base Part Number:	AD5248
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	160
Temperature Coefficient (Typ):	35 ppm/°C
Tolerance:	-20%, +55%
Features:	Selectable Address
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	--
Interface:	I²C
Resistance (Ohms):	10k
Number of Taps:	256
Number of Circuits:	2
Configuration:	Rheostat
Taper:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AD5248BRMZ10-RL7 is a digital potentiometers manufactured and sold by Analog Devices® Inc. The product is a 4-channel, variable resistance network that can be programmed by a serial interface to control the output resistance of each channel. It is a Precision, low-flow device which can be used as an adjustable voltage divider, current limiter, input/output impedance adjustment, low resistance measurements, and logarithmic response control. The device is robust and can operate in high temperatures and corrosive environments.The AD5248BRMZ10-RL7 has an active resistance range of 500 to 10,000 Ohms with 8–Bit resolution. It is designed to accept standard 3–4 V logic signals and is capable of switching rapidly between resistances. The AD5248BRMZ10-RL7 requires a 2.7 V to 5.5 V single power supply and is characterized for operation over the extended industrial temperature range of -40 °C to +85 °C.The AD5248BRMZ10-RL7 application field is for data acquisition, especially for devices designed for industrial, automotive and aerospace applications. The product has been modified to withstand extreme temperatures and harsh environments and is ideal for applications that require consistently accurate readings. Additionally, the 4-channel design can provide multiple resistances per channel in multiple stages.The working principle of the AD5248BRMZ10-RL7 is based on the transfer of electric charge. In a simple analog circuit, electric voltage is applied across two terminals. When the resistance of the device is increased, the same amount of electric charge is divided over a greater resistance. This also results in a lower output voltage. Conversely, when the resistance is decreased, less charge is divided over a total resistance resulting in a higher output voltage. The digital integration of the AD5248BRMZ10-RL7 transfers electric charge digital by digital increments. This is accomplished through the use of a digital potentiometer, which is the digital equivalent of the analog potentiometer. One host terminal of the digital potentiometer device is connected to a reference voltage, while the other terminals control the value of the series resistance by varying the voltage applied to them. The transfer of electric charge is achieved by switching the resistance between digital binary steps. These digital steps are programmed through a serial interface integrated into the device. This serial interface operates on logic signals that can be used for a variety of applications such as controlling the value of small resistors or for controlling the output impedance of a large RC network.The AD5248BRMZ10-RL7 is well-suited for use in automotive and aircraft systems, as well as data acquisition applications. It is designed to survive extreme temperatures and harsh environments and can provide consistently accurate readings over the extended industrial temperature range of -40 °C to +85 °C. Additionally, the 4-channel design can provide multiple resistances per channel in multiple stages.In conclusion, the AD5248BRMZ10-RL7 is a high-performance data acquisition device that provides robust solutions for a wide range of applications. Its digital integration provides accurate resistance values in a scalable, programmable format which can make fine adjustments in the range of 500 to 10,000 Ohms. The device is well-suited for use in extreme temperatures and harsh environments, making it suitable for all data acquisition applications.

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