Overview
The AD5290YRMZ50 is a high-performance digital potentiometer IC manufactured by Analog Devices Inc. This device is designed to serve as a programmable resistor or resistor divider, offering enhanced resolution, solid-state reliability, and superior temperature stability compared to mechanical potentiometers and variable resistors.
It features a 3-wire SPI-compatible serial interface, allowing for dynamic control and layout flexibility in various electronic designs. The AD5290YRMZ50 is widely used in applications such as voltage control, gain adjustment, sensor calibration, and audio volume control.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| End to End Resistance | 50 kΩ | |
| Number of Positions | 256 | |
| Interface | 3-Wire SPI | |
| Supply Voltage (Single-Supply) | +4.5V to +33V | V |
| Supply Voltage (Dual-Supply) | ±4.5V to ±16.5V | V |
| Temperature Coefficient | 35 ppm/°C (typical) | |
| Operating Temperature | –40°C to +125°C | °C |
| Package Type | 10-lead MSOP | |
| Tolerance | ±30% | |
| THD (Typical) | 0.006% |
Key Features
- Programmable Resistor: Functions as a programmable resistor or resistor divider with 256 positions.
- Digital Interface: 3-wire SPI-compatible serial interface for efficient communication and control.
- High Voltage Operation: Supports single-supply operation from +4.5V to +33V and dual-supply operation from ±4.5V to ±16.5V.
- Low Temperature Coefficient: Typical temperature coefficient of 35 ppm/°C ensures stable performance over a wide temperature range.
- Midscale Preset: Features midscale preset using iCMOS™ process technology.
- Compact Packaging: Available in 10-lead MSOP package.
- Low THD: Typical THD of 0.006% for high-fidelity applications.
Applications
- Audio Equipment: Used for dynamic adjustment of volume levels, equalization settings, and tone control parameters.
- Gain Adjustment: Implements gain adjustment in signal processing stages such as amplifiers or filters.
- Sensor Calibration: Utilized for sensor calibration, including offset and sensitivity adjustments.
- Programmable Power Supplies: Employed in programmable power supply applications.
- Programmable Filters and Delays: Used in programmable filters and delays.
- Actuator Control: Applied in actuator control systems.
- Mechanical Potentiometer Replacement: Replaces mechanical potentiometers, variable resistors, and trimmers.
Q & A
- What is the AD5290YRMZ50 used for?
The AD5290YRMZ50 is used as a programmable resistor or resistor divider in various electronic designs, including voltage control, gain adjustment, sensor calibration, and audio volume control.
- What is the interface type of the AD5290YRMZ50?
The AD5290YRMZ50 features a 3-wire SPI-compatible serial interface.
- What are the supply voltage ranges for the AD5290YRMZ50?
The device supports single-supply operation from +4.5V to +33V and dual-supply operation from ±4.5V to ±16.5V.
- What is the temperature coefficient of the AD5290YRMZ50?
The typical temperature coefficient is 35 ppm/°C.
- What is the operating temperature range of the AD5290YRMZ50?
The operating temperature range is –40°C to +125°C.
- What package type is the AD5290YRMZ50 available in?
The device is available in a 10-lead MSOP package.
- What is the tolerance of the AD5290YRMZ50?
The tolerance is ±30%.
- What is the typical THD of the AD5290YRMZ50?
The typical THD is 0.006%.
- How many positions does the AD5290YRMZ50 have?
The device has 256 positions.
- What process technology is used in the AD5290YRMZ50?
The device uses iCMOS™ process technology.
