Overview
The AD5241BR100-REEL7 is a 256-position, single-channel, digitally controlled variable resistor (VR) produced by Analog Devices Inc. This device operates as a digital potentiometer, providing the same electronic adjustment function as a traditional potentiometer, trimmer, or variable resistor. It is designed for use in a variety of applications where precise and programmable resistance is required.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | - | 5.5 | V |
| Dual Supply Voltage | ±2.3 | - | ±2.7 | V |
| Operating Temperature | -40 | - | 105 | °C |
| Number of Taps | 256 | - | - | - |
| Resistance Value | - | - | 100kΩ | Ω |
| Resistance Tolerance | -30% | - | +50% | % |
| Temperature Coefficient | - | 30 | - | ppm/°C |
| Interface | - | - | I²C | - |
| Package | - | - | 14-SOIC | - |
Key Features
- I²C-compatible serial bus interface with readback capability
- Single-channel, 256-position digital potentiometer
- Internal power-on midscale preset
- Self-contained shutdown feature
- Two extra programmable logic outputs
- Extended temperature range: -40°C to +105°C
- Low temperature coefficient: 30 ppm/°C
- Selectable address for multiple package decoding
Applications
- Multimedia, video, and audio systems
- Communications equipment
- Mechanical potentiometer replacement
- Instrumentation: gain and offset adjustment
- Programmable voltage-to-current conversion
- Line impedance matching
Q & A
- What is the AD5241BR100-REEL7 used for? The AD5241BR100-REEL7 is used as a digital potentiometer, providing precise and programmable resistance in various applications.
- What is the operating voltage range of the AD5241BR100-REEL7? The operating voltage range is from 2.7 V to 5.5 V for single supply and ±2.3 V to ±2.7 V for dual supply.
- How many positions does the AD5241BR100-REEL7 have? It has 256 positions.
- What is the typical temperature coefficient of the AD5241BR100-REEL7? The typical temperature coefficient is 30 ppm/°C.
- What interface does the AD5241BR100-REEL7 use? It uses an I²C-compatible serial bus interface.
- What is the package type of the AD5241BR100-REEL7? It is packaged in a 14-SOIC configuration.
- What is the operating temperature range of the AD5241BR100-REEL7? The operating temperature range is from -40°C to +105°C.
- Does the AD5241BR100-REEL7 have programmable logic outputs? Yes, it has two extra programmable logic outputs.
- Can the AD5241BR100-REEL7 be used in multiple device configurations? Yes, it supports multiple device decoding with selectable addresses.
- What are some common applications of the AD5241BR100-REEL7? Common applications include multimedia, communications, mechanical potentiometer replacement, instrumentation, and line impedance matching.
