Overview
The AD8402ARUZ50 is a dual-channel, volatile digital potentiometer manufactured by Analog Devices Inc. This device is designed to provide precise digital control of resistance and is part of the AD8400/AD8402/AD8403 series of digital potentiometers. It features a 256-position linear taper with a resistance range of 50kΩ and communicates over an SPI interface. The AD8402ARUZ50 operates from a supply voltage of 2.7V to 5.5V and has an operating temperature range of -40°C to 125°C, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Number of Positions | 256 | |
| Resistance Range | 50 kΩ | |
| Resistance Tolerance | ±30% | % |
| Temperature Coefficient | 500 ppm/°C | ppm/°C |
| Operating Temperature Range | -40°C to 125°C | °C |
| Supply Voltage Range | 2.7V to 5.5V | V |
| Interface | SPI | |
| Package Type | 14-TSSOP | |
| Typical Wiper Resistance | 200 Ω | Ω |
Key Features
- Dual-channel digital potentiometer with 256-position linear taper.
- Precise digital control of resistance.
- Wide operating voltage range of 2.7V to 5.5V.
- Broad temperature tolerance from -40°C to 125°C.
- Compact surface mount package (14-TSSOP).
- SPI interface for serial data input.
- Low power consumption with power shutdown less than 5 μA.
- High channel-to-channel matching tolerance.
Applications
- Audio and video equipment.
- Automation and control systems.
- Test and measurement instruments.
- Industrial equipment.
- Consumer electronics.
- Mechanical potentiometer replacement.
- Programmable filters, delays, and time constants.
- Volume control and panning.
- Line impedance matching.
- Power supply adjustment.
Q & A
- What is the AD8402ARUZ50?
The AD8402ARUZ50 is a dual-channel, volatile digital potentiometer from Analog Devices Inc.
- What is the resistance range of the AD8402ARUZ50?
The resistance range of the AD8402ARUZ50 is 50 kΩ.
- How many positions does the AD8402ARUZ50 have?
The AD8402ARUZ50 has 256 positions.
- What is the operating temperature range of the AD8402ARUZ50?
The operating temperature range is -40°C to 125°C.
- What interface does the AD8402ARUZ50 use?
The AD8402ARUZ50 uses an SPI interface.
- What is the typical wiper resistance of the AD8402ARUZ50?
The typical wiper resistance is 200 Ω.
- What is the temperature coefficient of the AD8402ARUZ50?
The temperature coefficient is 500 ppm/°C.
- In what package type is the AD8402ARUZ50 available?
The AD8402ARUZ50 is available in a 14-TSSOP package.
- What are some common applications of the AD8402ARUZ50?
Common applications include audio and video equipment, automation and control systems, test and measurement instruments, industrial equipment, and consumer electronics.
- Is the AD8402ARUZ50 suitable for automotive applications?
Yes, the AD8402ARUZ50 is qualified for automotive applications.
