Overview
The AD5241BRUZ100, produced by Analog Devices Inc., is a single-channel, 256-position, digitally controlled variable resistor (VR) device. This component performs the same electronic adjustment function as a potentiometer, trimmer, or variable resistor. It is part of the AD5241 series, which offers a completely programmable value of resistance between the A terminal and the wiper, or the B terminal and the wiper. The device is particularly useful in applications requiring precise and programmable resistance adjustments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Positions | 256 | - |
| Resistance Range | 100 kΩ | Ω |
| Temperature Coefficient | 30 ppm/°C | ppm/°C |
| Supply Voltage (Single-Supply) | 2.7 V to 5.5 V | V |
| Supply Voltage (Dual-Supply) | ±2.3 V to ±2.7 V | V |
| Operating Temperature Range | −40°C to +105°C | °C |
| Interface | I2C-compatible, 2-wire serial data interface | - |
| Package Type | 14-Lead TSSOP | - |
Key Features
- I2C-compatible, 2-wire serial data interface with readback capability
- Internal power-on midscale preset
- Extra programmable logic outputs for driving digital loads, logic gates, LED drivers, and analog switches
- Self-contained shutdown feature
- Low temperature coefficient of 30 ppm/°C
- 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 primary function of the AD5241BRUZ100?
The AD5241BRUZ100 is a digitally controlled variable resistor that performs the same electronic adjustment function as a potentiometer, trimmer, or variable resistor.
- What are the available resistance values for the AD5241BRUZ100?
The AD5241BRUZ100 is available with a fixed A-to-B terminal resistance of 100 kΩ.
- What is the temperature coefficient of the AD5241BRUZ100?
The nominal temperature coefficient of the AD5241BRUZ100 is 30 ppm/°C.
- What is the operating temperature range of the AD5241BRUZ100?
The device operates over an extended temperature range of −40°C to +105°C.
- What type of interface does the AD5241BRUZ100 use?
The AD5241BRUZ100 uses an I2C-compatible, 2-wire serial data interface with readback capability.
- What package types are available for the AD5241BRUZ100?
The AD5241BRUZ100 is available in a 14-Lead TSSOP package.
- Does the AD5241BRUZ100 have any additional programmable outputs?
- What are some common applications of the AD5241BRUZ100?
- How does the wiper position default at power-on?
The wiper position defaults to midscale at system power-on.
- Is the AD5241BRUZ100 suitable for high-temperature environments?
