Overview
The AD5248BRM10-RL7, produced by Analog Devices Inc., is a dual, 256-position, I2C-compatible digital potentiometer. This device is designed to provide a compact and versatile solution for various adjustment applications, replacing traditional mechanical potentiometers and trimmers. It operates within a single supply range of 2.7 V to 5.5 V and is known for its low power consumption and wide operating temperature range of −40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Positions | 256 | - |
| End-to-End Resistance | 10 kΩ | Ω |
| Interface | I2C | - |
| Package Type | 10-lead MSOP (3 mm × 4.9 mm) | - |
| Supply Voltage Range | 2.7 V to 5.5 V | V |
| Supply Current (IDD) | 6 µA (maximum) | µA |
| Operating Temperature Range | −40°C to +125°C | °C |
| Temperature Coefficient | 35 ppm/°C (typical) | ppm/°C |
| Wiper Resistance | 160 Ω (typical) | Ω |
Key Features
- Full read/write of wiper register
- Power-on preset to midscale
- Extra package address decode pins (AD0 and AD1) for multiple part addressing on the same I2C bus
- Low power consumption: IDD = 6 µA maximum
- Low temperature coefficient: 35 ppm/°C
- Wide operating temperature range: −40°C to +125°C
- Compact 10-lead MSOP package
- Fast settling time: 5 µs typical on power-up
- Computer software available for factory programming, replacing the need for external I2C controllers
Applications
- Systems calibrations
- Electronics level settings
- Mechanical trimmers replacement in new designs
- Permanent factory printed circuit board (PCB) settings
- Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Gain control and offset adjustment
Q & A
- What is the AD5248BRM10-RL7 used for?
The AD5248BRM10-RL7 is a dual, 256-position, I2C-compatible digital potentiometer used for various adjustment applications, such as systems calibrations, electronics level settings, and replacing mechanical trimmers.
- What are the available end-to-end resistance values for the AD5248?
The AD5248 is available in four end-to-end resistance values: 2.5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ.
- What is the operating temperature range of the AD5248BRM10-RL7?
The operating temperature range is −40°C to +125°C.
- What is the supply voltage range for the AD5248BRM10-RL7?
The supply voltage range is 2.7 V to 5.5 V.
- How many positions does the AD5248BRM10-RL7 have?
The device has 256 positions.
- What is the typical supply current (IDD) of the AD5248BRM10-RL7?
The typical supply current (IDD) is 6 µA maximum.
- Does the AD5248BRM10-RL7 have address decode pins?
- What is the temperature coefficient of the AD5248BRM10-RL7?
The temperature coefficient is 35 ppm/°C (typical).
- Is there software available for factory programming of the AD5248BRM10-RL7?
- What package type does the AD5248BRM10-RL7 come in?
The device comes in a 10-lead MSOP package (3 mm × 4.9 mm).
