Overview
The AD5241BR100 is a single-channel, 256-position digitally controlled variable resistor (VR) device produced by Analog Devices. This component functions as a digital potentiometer, trimmer, or variable resistor, offering a programmable resistance value between the A terminal and the wiper, or the B terminal and the wiper. It is designed for applications requiring precise electronic adjustments and is suitable for various industrial and consumer electronics uses.
Key Specifications
| Parameter | Value |
|---|---|
| Resistance Range | 100 kΩ |
| Number of Positions | 256 |
| Temperature Coefficient | 30 ppm/°C |
| Supply Voltage | Single-supply: 2.7 V to 5.5 V, Dual-supply: ±2.7 V |
| Operating Temperature | −40°C to +105°C |
| Interface | I²C-compatible, 2-wire serial data interface |
| Package Options | 14-lead SOIC, 14-lead TSSOP |
| Logic Outputs | Two extra programmable logic outputs |
| Shutdown Feature | Self-contained shutdown feature |
Key Features
- Internal power-on midscale preset
- Low temperature coefficient of 30 ppm/°C
- I²C-compatible interface with readback capability
- Two extra programmable logic outputs for driving digital loads, logic gates, LED drivers, and analog switches
- Self-contained shutdown feature
- Extended temperature range: −40°C to +105°C
Applications
- Multimedia, video, and audio
- Communications
- Mechanical potentiometer replacement
- Instrumentation: gain, offset adjustment
- Programmable voltage-to-current conversion
- Line impedance matching
Q & A
- What is the AD5241BR100 used for? The AD5241BR100 is used as a digital potentiometer, trimmer, or variable resistor in various electronic applications.
- What are the resistance values available for the AD5241BR100? The AD5241BR100 has a fixed resistance of 100 kΩ.
- What is the temperature coefficient of the AD5241BR100? The temperature coefficient is 30 ppm/°C.
- What is the operating temperature range of the AD5241BR100? The operating temperature range is −40°C to +105°C.
- What interface does the AD5241BR100 use? The AD5241BR100 uses an I²C-compatible, 2-wire serial data interface.
- What package options are available for the AD5241BR100? The AD5241BR100 is available in 14-lead SOIC and 14-lead TSSOP packages.
- Does the AD5241BR100 have programmable logic outputs? Yes, it has two extra programmable logic outputs.
- What is the shutdown feature of the AD5241BR100? The AD5241BR100 has a self-contained shutdown feature that connects the wiper to Terminal B and opens the circuit of Terminal A.
- Can multiple AD5241BR100 devices be used on the same bus? Yes, up to four devices can be used on the same bus using the programmable address bits AD0 and AD1.
- What is the default wiper position at power-on? The wiper position defaults to midscale at system power-on.
