Overview
The AD5241BRUZ1M-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 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 | 1 MΩ | |
| Temperature Coefficient | 30 ppm/°C | |
| Power Supply Range (Single-Supply) | 2.7 V to 5.5 V | |
| Power Supply Range (Dual-Supply) | ±2.3 V to ±2.7 V | |
| Number of Positions | 256 | |
| Interface | I²C-compatible, 2-wire serial data interface | |
| Operating Temperature Range | −40°C to +105°C | |
| Package Type | 14-lead TSSOP |
Key Features
- Internal power-on midscale preset, ensuring the wiper position defaults to midscale at system power-on.
- I²C-compatible interface with readback capability for precise control and monitoring.
- Two extra programmable logic outputs available for driving digital loads, logic gates, LED drivers, and analog switches.
- Self-contained shutdown feature, allowing asynchronous connection of the wiper to terminal B and open circuit of terminal A.
- Extended temperature range of −40°C to +105°C, ensuring reliability in diverse environmental conditions.
Applications
- Multimedia, video, and audio systems for gain and volume control.
- Communications equipment for impedance matching and signal adjustment.
- Mechanical potentiometer replacement in various applications.
- Instrumentation for gain and offset adjustment.
- Programmable voltage-to-current conversion.
- Line impedance matching.
Q & A
- What is the primary function of the AD5241BRUZ1M-R7?
The AD5241BRUZ1M-R7 functions as a digitally controlled variable resistor, similar to a potentiometer or trimmer.
- What is the resistance range of the AD5241BRUZ1M-R7?
The resistance range is 1 MΩ.
- What type of interface does the AD5241BRUZ1M-R7 use?
The component uses an I²C-compatible, 2-wire serial data interface.
- What is the operating temperature range of the AD5241BRUZ1M-R7?
The operating temperature range is −40°C to +105°C.
- What package type is the AD5241BRUZ1M-R7 available in?
The component is available in a 14-lead TSSOP package.
- Does the AD5241BRUZ1M-R7 have programmable logic outputs?
Yes, it has two extra programmable logic outputs.
- What is the default wiper position at system power-on?
The wiper position defaults to midscale at system power-on.
- Can the AD5241BRUZ1M-R7 be used in place of mechanical potentiometers?
Yes, it can be used as a replacement for mechanical potentiometers.
- What are some common applications of the AD5241BRUZ1M-R7?
Common applications include multimedia, communications, instrumentation, and line impedance matching.
- Does the AD5241BRUZ1M-R7 have a shutdown feature?
Yes, it has a self-contained shutdown feature.
