Overview
The AD5248BRM10 is a dual, 256-position, I2C-compatible digital potentiometer manufactured by Analog Devices Inc. This component is designed to provide a compact solution for various adjustment applications, particularly in systems requiring precise digital control over resistance. The device operates within a 2.7 V to 5.5 V power supply range and is suitable for use in portable battery-operated applications due to its low power consumption of less than 6 µA.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Configuration | Rheostat |
| Number of Circuits | 2 |
| Number of Taps | 256 |
| Resistance (Ohms) | 10k |
| Interface | I2C |
| Memory Type | Volatile |
| Supply Voltage | 2.7 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 125°C |
| Temperature Coefficient (Typ) | 35 ppm/°C |
| Wiper Resistance (Typ) | 160 Ω |
| Tolerance | -20%, +55% |
Key Features
- Selectable address using AD0 and AD1 pins for multiple package decoding.
- Power-on preset to midscale, simplifying fault condition recovery at power-up.
- Low power consumption: IDD = 6 µA maximum.
- Wide operating temperature range: -40°C to +125°C.
- Linear taper with 256 contact points accessed by the wiper terminal.
- Full read/write of wiper register, allowing for precise control over resistance settings.
Applications
- Systems calibrations and electronics level settings.
- Replacement of mechanical trimmers in new designs.
- Permanent factory printed circuit board (PCB) settings.
- Transducer adjustment for pressure, temperature, position, chemical, and optical sensors.
- RF amplifier biasing and gain control.
- Offset adjustment in various electronic systems).
Q & A
- What is the AD5248BRM10 used for?
The AD5248BRM10 is a dual, 256-position, I2C-compatible digital potentiometer used for precise digital control over resistance in various applications, including systems calibrations, electronics level settings, and replacement of mechanical trimmers.
- What is the operating voltage range of the AD5248BRM10?
The AD5248BRM10 operates within a 2.7 V to 5.5 V power supply range.
- How many taps does the AD5248BRM10 have?
The AD5248BRM10 has 256 taps.
- What is the typical wiper resistance of the AD5248BRM10?
The typical wiper resistance is 160 Ω.
- What is the temperature coefficient of the AD5248BRM10?
The temperature coefficient is 35 ppm/°C.
- Is the AD5248BRM10 suitable for portable battery-operated applications?
- What is the operating temperature range of the AD5248BRM10?
The operating temperature range is -40°C to +125°C.
- Does the AD5248BRM10 have selectable addresses?
- What is the package type of the AD5248BRM10?
The package type is 10-TFSOP or 10-MSOP (0.118", 3.00mm Width).
- Is the AD5248BRM10 RoHS compliant?
No, the AD5248BRM10 is not RoHS compliant.
