Overview
The AD5241BRUZ100-R7, produced by Analog Devices Inc., is a single-channel, 256-position, digitally controlled variable resistor (VR) device. This component functions as a digital potentiometer, trimmer, or variable resistor, offering a completely programmable resistance value between the A terminal and the wiper, or the B terminal and the wiper. It is part of the AD5241 series, which is known for its high precision and versatility in various electronic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resistance Range | 100 kΩ | Ω |
| Number of Positions | 256 | - |
| Temperature Coefficient | 30 ppm/°C | ppm/°C |
| Supply Voltage | 2.7 V to 5.5 V (single-supply), ±2.7 V (dual-supply) | V |
| Operating Temperature Range | −40°C to +105°C | °C |
| Interface | I2C-compatible, 2-wire serial data interface | - |
| Package Type | 14-Lead TSSOP | - |
| Power-On Default Wiper Position | Midscale | - |
| Extra Programmable Logic Outputs | 2 | - |
| Shutdown Feature | Self-contained shutdown feature | - |
Key Features
- I2C-Compatible Interface: The device uses a 2-wire serial data interface for programming and readback capability.
- Programmable Resistance: Offers 256 positions of programmable resistance, allowing for precise control over the resistance value.
- Low Temperature Coefficient: A nominal temperature coefficient of 30 ppm/°C ensures minimal drift with temperature changes.
- Extra Programmable Logic Outputs: Two extra programmable logic outputs are available to drive digital loads, logic gates, LED drivers, and analog switches.
- Self-Contained Shutdown Feature: The device features a self-contained shutdown capability, which can be activated asynchronously.
- Extended Temperature Range: Guaranteed to operate over an extended temperature range of −40°C to +105°C.
Applications
- Multimedia, Video, and Audio: Suitable for applications requiring precise audio and video signal adjustment.
- Communications: Used in communication systems for signal level adjustments and impedance matching.
- Mechanical Potentiometer Replacement: Can replace mechanical potentiometers in various applications due to its digital control and reliability.
- Instrumentation: Ideal for gain and offset adjustments in instrumentation systems.
- Programmable Voltage-to-Current Conversion: Can be used for converting voltage to current in a programmable manner.
- Line Impedance Matching: Useful for matching line impedances in various electronic circuits.
Q & A
- What is the resistance range of the AD5241BRUZ100-R7?
The resistance range of the AD5241BRUZ100-R7 is 100 kΩ.
- How many positions of programmable resistance does the AD5241BRUZ100-R7 offer?
The device offers 256 positions of programmable resistance.
- What is the temperature coefficient of the AD5241BRUZ100-R7?
The nominal temperature coefficient is 30 ppm/°C.
- What type of interface does the AD5241BRUZ100-R7 use?
The device uses an I2C-compatible, 2-wire serial data interface.
- What is the operating temperature range of the AD5241BRUZ100-R7?
The device operates over an extended temperature range of −40°C to +105°C.
- What package type is the AD5241BRUZ100-R7 available in?
The device is available in a 14-Lead TSSOP package.
- What is the default wiper position at power-on?
The wiper position defaults to midscale at system power-on.
- Does the AD5241BRUZ100-R7 have any extra programmable logic outputs?
Yes, the device has two extra programmable logic outputs.
- What is the shutdown feature of the AD5241BRUZ100-R7?
The device features a self-contained shutdown capability that can be activated asynchronously.
- In what applications is the AD5241BRUZ100-R7 commonly used?
The device is commonly used in multimedia, video, audio, communications, mechanical potentiometer replacement, instrumentation, programmable voltage-to-current conversion, and line impedance matching.
