Overview
The AD5282BRUZ20 is a dual-channel, 256-position, digitally controlled variable resistor (VR) produced by Analog Devices Inc. This component functions as a digital potentiometer, trimmer, or variable resistor, offering a completely programmable value of resistance between the A terminal and the wiper or the B terminal and the wiper. It is part of the AD5280/AD5282 series, which is designed to provide precise electronic adjustment in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Number of Positions | 256 | |
| Terminal Resistance | 20 kΩ, 50 kΩ, 200 kΩ | |
| Temperature Coefficient | 30 ppm/°C | |
| Supply Voltage (Single) | +10 V to +15 V | V |
| Supply Voltage (Dual) | ±5.5 V | V |
| Operating Temperature | −40°C to +85°C | °C |
| Interface | I²C-compatible, 2-wire serial data interface | |
| Package Type | 16-Lead TSSOP |
Key Features
- Power-on midscale preset and programmable reset
- Additional programmable logic outputs to drive digital loads, logic gates, LED drivers, and analog switches
- Sleep mode programmability for power management
- Low temperature coefficient of 30 ppm/°C
- 1% channel-to-channel matching tolerance for terminal resistance
- I²C-compatible interface for easy communication
Applications
- Multimedia, video, and audio systems
- Communications equipment
- Mechanical potentiometer replacement
- Instrumentation: gain and offset adjustment
- Programmable voltage and current sources
- Line impedance matching
Q & A
- What is the AD5282BRUZ20 used for?
The AD5282BRUZ20 is used as a digital potentiometer, trimmer, or variable resistor in various electronic applications.
- How many channels does the AD5282BRUZ20 have?
The AD5282BRUZ20 has 2 channels.
- What are the available terminal resistance values for the AD5282BRUZ20?
The available terminal resistance values are 20 kΩ, 50 kΩ, and 200 kΩ.
- What is the temperature coefficient of the AD5282BRUZ20?
The temperature coefficient is 30 ppm/°C.
- What is the operating temperature range of the AD5282BRUZ20?
The operating temperature range is −40°C to +85°C.
- What type of interface does the AD5282BRUZ20 use?
The AD5282BRUZ20 uses an I²C-compatible, 2-wire serial data interface.
- What package type is the AD5282BRUZ20 available in?
The AD5282BRUZ20 is available in a 16-Lead TSSOP package.
- Does the AD5282BRUZ20 have programmable logic outputs?
Yes, the AD5282BRUZ20 has additional programmable logic outputs.
- What are some common applications of the AD5282BRUZ20?
Common applications include multimedia, video, and audio systems, communications equipment, mechanical potentiometer replacement, instrumentation, and programmable voltage and current sources.
- Does the AD5282BRUZ20 support sleep mode?
Yes, the AD5282BRUZ20 supports sleep mode programmability for power management.
