Overview
The AD5161BRMZ5-RL7 from Analog Devices Inc. is a digitally controlled variable resistor, often referred to as a digital potentiometer or RDAC (Resistor Digital to Analog Converter). This device offers a high-resolution alternative to mechanical potentiometers and variable resistors, with enhanced reliability and precision. It features 256 tap positions, allowing for fine-tuned adjustments in various electronic circuits. The AD5161 is particularly useful in applications requiring programmable resistance, such as audio volume control, sensor calibration, and voltage division.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resistance | 5 kΩ | Ohms |
| Number of Taps | 256 | - |
| Interface | I²C, SPI | - |
| Operating Temperature | -40°C to +125°C | °C |
| Supply Voltage | 2.7 V to 5.5 V | V |
| Wiper Resistance (Typ.) | 50 Ω | Ohms |
| Temperature Coefficient (Typ.) | 45 ppm/°C | ppm/°C |
| Package Type | 10-MSOP | - |
| Total Harmonic Distortion (THD) | 0.05 % | % |
| Settling Time | 2 µs | µs |
Key Features
- High Resolution: 256 tap positions for precise resistance adjustments.
- Dual Interface: Supports both I²C and SPI communication protocols.
- Low Wiper Resistance: Typical wiper resistance of 50 Ω.
- Wide Operating Temperature Range: From -40°C to +125°C.
- Compact Packaging: 10-MSOP package for space-efficient designs.
- Low Total Harmonic Distortion (THD): Ensures minimal signal distortion.
- Fast Settling Time: 2 µs settling time for quick adjustments.
Applications
- Audio Volume Control: Precise volume adjustments in audio systems.
- Sensor Calibration: Calibration of sensors in industrial and automotive applications.
- Voltage Division: Adjustable voltage division in various electronic circuits.
- Industrial Automation: Used in control systems for precise adjustments.
- Medical Devices: For calibration and adjustment in medical equipment.
Q & A
- What is the resistance range of the AD5161BRMZ5-RL7?
The AD5161BRMZ5-RL7 has a resistance of 5 kΩ.
- How many tap positions does the AD5161BRMZ5-RL7 have?
The device has 256 tap positions.
- What communication protocols does the AD5161BRMZ5-RL7 support?
It supports both I²C and SPI communication protocols.
- What is the operating temperature range of the AD5161BRMZ5-RL7?
The operating temperature range is from -40°C to +125°C.
- What is the typical wiper resistance of the AD5161BRMZ5-RL7?
The typical wiper resistance is 50 Ω.
- What is the package type of the AD5161BRMZ5-RL7?
The package type is 10-MSOP.
- What is the total harmonic distortion (THD) of the AD5161BRMZ5-RL7?
The total harmonic distortion is 0.05%.
- What is the settling time of the AD5161BRMZ5-RL7?
The settling time is 2 µs.
- What are some common applications of the AD5161BRMZ5-RL7?
Common applications include audio volume control, sensor calibration, voltage division, industrial automation, and medical devices.
- Is the AD5161BRMZ5-RL7 suitable for high-temperature environments?
Yes, it is suitable for high-temperature environments with an operating range of -40°C to +125°C.
