Overview
The AD5248BRMZ100, produced by Analog Devices Inc., is a dual, 256-position, I2C-compatible digital potentiometer. This component is designed to provide a compact and versatile solution for various adjustment applications. It operates from a single supply voltage ranging from 2.7 V to 5.5 V and consumes less than 6 µA, making it suitable for battery-operated and low-power systems. The device is available in a 10-lead MSOP package, measuring 3 mm × 4.9 mm, and offers high accuracy and stability due to its low temperature coefficient of 35 ppm/°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| End-to-end Resistance | 100 kΩ (for AD5248BRMZ100) | kΩ |
| Number of Positions | 256 | - |
| Supply Voltage Range | 2.7 to 5.5 | V |
| Supply Current (IDD) | ≤ 6 | µA |
| Operating Temperature Range | −40 to +125 | °C |
| Temperature Coefficient | 35 | ppm/°C |
| Settling Time (tS) | 5 µs (typical on power-up) | µs |
| Package Type | 10-lead MSOP | - |
| Package Dimensions | 3 mm × 4.9 mm | mm |
Key Features
- 2-channel, 256-position digital potentiometers
- I2C-compatible digital interface for wiper control
- Extra package address decode pins (AD0 and AD1) for multiple part addressing on the same I2C bus
- Fast settling time of 5 µs typical on power-up
- Power-on preset to midscale
- Low power consumption: IDD ≤ 6 µA
- Wide operating temperature range: −40°C to +125°C
- Low temperature coefficient: 35 ppm/°C
Applications
- Systems calibrations
- Electronics level settings
- Mechanical trimmers replacement in new designs
- Permanent factory printed circuit board (PCB) settings
- Transducer adjustment for pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Gain control and offset adjustment
Q & A
- What is the operating voltage range of the AD5248BRMZ100?
The AD5248BRMZ100 operates from a single supply voltage ranging from 2.7 V to 5.5 V.
- How many positions does the AD5248BRMZ100 digital potentiometer have?
The AD5248BRMZ100 has 256 positions.
- What is the typical settling time of the AD5248BRMZ100 on power-up?
The typical settling time is 5 µs on power-up.
- What is the temperature coefficient of the AD5248BRMZ100?
The temperature coefficient is 35 ppm/°C.
- Can multiple AD5248BRMZ100 devices share the same I2C bus?
- What is the maximum supply current (IDD) of the AD5248BRMZ100?
- What are the dimensions of the AD5248BRMZ100 package?
- What are some common applications of the AD5248BRMZ100?
- Is the AD5248BRMZ100 suitable for battery-operated devices?
- What is the operating temperature range of the AD5248BRMZ100?
