AD5246BKSZ100-R2 Integrated Circuits (ICs)

Memory Type:	Volatile
Base Part Number:	AD5246
Supplier Device Package:	SC-70-6
Package / Case:	6-TSSOP, SC-88, SOT-363
Operating Temperature:	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ):	150
Temperature Coefficient (Typ):	45 ppm/°C
Tolerance:	±20%
Features:	--
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	--
Interface:	I²C
Resistance (Ohms):	100k
Number of Taps:	128
Number of Circuits:	1
Configuration:	Rheostat
Taper:	Linear
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Overview

AD5246BKSZ100-R2 is part of a family of digital potentiometers manufactured by Analog Devices. These devices are a type of data acquisition system specifically designed for adjusting the resistance of analog circuits. AD5246BKSZ100-R2 is suitable for a wide range of applications, from digital potentiometers in industrial control to digital potentiometer arrays in automotive and aviation industries. The device provides an economical and reliable solution for many analog control applications, providing both an adjustable state resistance and adjustable ohmic ratio.

Applications

AD5246BKSZ100-R2 can be used for a variety of data acquisition applications, such as:

• Determining and validating the accuracy of analog sensors
• Temperature monitoring and control in a variety of industrial and commercial applications
• Adjusting the resistance of amplifiers, potentiometers and op-amps in audio and control circuits
• Servo control and automated test systems
• Automotive instrumentation
• Programming startup parameters in memory-based analog/digital converters
• Control of motors and other dynamic machinery

AD5246BKSZ100-R2 devices are also used in a variety of low-power systems, such as digital cell phones, PDAs and notebooks, for adjusting the power levels of digital components.

Design

The AD5246BKSZ100-R2 is a 3-wire digital potentiometer which utilizes both a resistance state and ohmic ratio. Internally, the device includes a 10-bit analog-to-digital converter to allow simple, reliable and versatile attenuation control with minimal external circuitry. In addition, the device includes an active low-power TTL/CMOS compatible interface to allow operation at high speeds with minimal power consumption. The operating temperature range is specified between -40°C to +85°C.The device has low power consumption and can be easily integrated into systems. It includes an adjustable resistance state of 0-100kΩ and an adjustable ohmic ratio 0 – 100%. It is optimized for operation at low 0.4V supply voltage, and the resistance drift over temperature is minimized.

Working Principle

AD5246BKSZ100-R2 is designed to allow precision adjustment of the resistance and resistance ratio of a circuit in a wide range of applications. The principle of operation is straightforward: when a digital bit is applied to the device, it adjusts the resistance by creating its own internal network, thereby changing the resistance of the circuit.For example, a single input voltage can be used to adjust the resistance of the circuit by changing the resistance of the device itself. When a digital bit is applied, it increases the resistance of the 10-bit analog-to-digital converter, which adjusts the resistance of the device. This in turn adjusts the resistance of the circuit to which the device is attached.The adjustable resistance and ratio can also be controlled remotely. To do this, a remote terminal can be used to send an input voltage to activate the device. When the voltage is applied, it increases the resistance of the 10-bit analog-to-digital converter, which adjusts the resistance of the device. This in turn adjusts the resistance of the circuit to which the device is attached.

Conclusion

AD5246BKSZ100-R2 is a device which can be used to adjust the resistance and resistance ratio of a circuit in a wide range of applications. It has a wide operating temperature range, low power consumption and can be easily integrated into systems. It also offers an adjustable resistance state of 0-100k Ω and an adjustable ohmic ratio 0-100%. The device can be used for a variety of data acquisition applications in industrial, automotive and aviation industries.

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