Overview
The AD5248BRMZ100-RL7 is a dual, 256-position digital potentiometer produced by Analog Devices Inc. This component is part of the AD5248 series, which offers a compact solution for adjustment applications. The AD5248 performs the same electronic adjustment function as a 2-terminal variable resistor, making it ideal for high accuracy and stability in variable resistance adjustments. The device is packaged in a 10-lead MSOP (3 mm × 4.9 mm) and operates over a wide temperature range of −40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| End-to-end Resistance | 100 kΩ | kΩ |
| Number of Positions | 256 | - |
| Package Type | 10-lead MSOP | - |
| Package Dimensions | 3 mm × 4.9 mm | mm |
| Supply Voltage Range | 2.7 V to 5.5 V | V |
| Operating Temperature Range | −40°C to +125°C | °C |
| Settling Time | 5 µs (typical on power-up) | µs |
| Power Consumption | 6 µA (maximum) | µA |
| Temperature Coefficient | 35 ppm/°C | ppm/°C |
Key Features
- 2-channel, 256-position digital potentiometer
- I2C-compatible digital interface
- Extra package address decode pins (AD0 and AD1) for multiple part sharing on the same I2C bus
- Full read/write of wiper register
- Power-on preset to midscale
- 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: tS = 5 µs typical on power-up
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 end-to-end resistance of the AD5248BRMZ100-RL7?
The end-to-end resistance of the AD5248BRMZ100-RL7 is 100 kΩ.
- How many positions does the AD5248BRMZ100-RL7 have?
The AD5248BRMZ100-RL7 has 256 positions.
- What is the package type and dimensions of the AD5248BRMZ100-RL7?
The AD5248BRMZ100-RL7 is packaged in a 10-lead MSOP with dimensions of 3 mm × 4.9 mm.
- What is the supply voltage range for the AD5248BRMZ100-RL7?
The supply voltage range for the AD5248BRMZ100-RL7 is 2.7 V to 5.5 V.
- What is the operating temperature range of the AD5248BRMZ100-RL7?
The operating temperature range of the AD5248BRMZ100-RL7 is −40°C to +125°C.
- What is the settling time of the AD5248BRMZ100-RL7 on power-up?
The settling time of the AD5248BRMZ100-RL7 on power-up is typically 5 µs.
- How much power does the AD5248BRMZ100-RL7 consume?
The AD5248BRMZ100-RL7 consumes a maximum of 6 µA.
- What is the temperature coefficient of the AD5248BRMZ100-RL7?
The temperature coefficient of the AD5248BRMZ100-RL7 is 35 ppm/°C.
- What interface does the AD5248BRMZ100-RL7 use for control?
The AD5248BRMZ100-RL7 uses an I2C-compatible digital interface for control.
- Can multiple AD5248BRMZ100-RL7 parts share the same I2C bus?
Yes, the AD5248BRMZ100-RL7 has extra package address decode pins (AD0 and AD1) that allow multiple parts to share the same I2C bus.
