Overview
The AD5246BKSZ50-RL7, produced by Analog Devices Inc., is a 128-position I2C compatible digital potentiometer. This device is packaged in an ultracompact 6-lead SC70 package, measuring 2 mm × 2.1 mm. It functions as a variable resistor, offering high accuracy and stability in variable resistance adjustments. The AD5246 is designed to operate from a single supply voltage of 2.7 V to 5.5 V and consumes a low current of 0.9 µA at 3.3 V, making it suitable for battery-operated applications.
Key Specifications
| Parameter | Value |
|---|---|
| End-to-end Resistance | 50 kΩ |
| Number of Positions | 128 |
| Package Type | 6-lead SC70 |
| Package Dimensions | 2 mm × 2.1 mm |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Supply Current (at 3.3 V) | 0.9 µA (typical) |
| Operating Temperature Range | –40°C to +125°C |
| Rheostat Mode Temperature Coefficient | 45 ppm/°C |
| I2C Interface Compatibility | Yes |
| Power-on Preset | Midscale |
Key Features
- I2C compatible digital interface for full read/write of wiper register
- Low power consumption: 0.9 µA at 3.3 V typical
- Wide operating temperature range: –40°C to +125°C
- Ultracompact SC70-6 package
- Single supply operation: 2.7 V to 5.5 V
- Rheostat mode temperature coefficient: 45 ppm/°C
- Power-on preset to midscale
Applications
- Mechanical potentiometer replacement in new designs
- Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
- RF amplifier biasing
- Automotive electronics adjustment
- Gain control and offset adjustment
Q & A
- What is the package type of the AD5246BKSZ50-RL7?
The AD5246BKSZ50-RL7 is packaged in a 6-lead SC70 package. - What is the end-to-end resistance of the AD5246BKSZ50-RL7?
The end-to-end resistance of the AD5246BKSZ50-RL7 is 50 kΩ. - What is the operating temperature range of the AD5246BKSZ50-RL7?
The operating temperature range is –40°C to +125°C. - What is the supply voltage range for the AD5246BKSZ50-RL7?
The supply voltage range is 2.7 V to 5.5 V. - How many positions does the AD5246BKSZ50-RL7 have?
The AD5246BKSZ50-RL7 has 128 positions. - What is the typical supply current at 3.3 V for the AD5246BKSZ50-RL7?
The typical supply current at 3.3 V is 0.9 µA. - Is the AD5246BKSZ50-RL7 I2C compatible?
Yes, the AD5246BKSZ50-RL7 is I2C compatible. - What is the rheostat mode temperature coefficient of the AD5246BKSZ50-RL7?
The rheostat mode temperature coefficient is 45 ppm/°C. - What is the power-on preset for the AD5246BKSZ50-RL7?
The power-on preset is to midscale. - In what applications is the AD5246BKSZ50-RL7 commonly used?
The AD5246BKSZ50-RL7 is commonly used in mechanical potentiometer replacement, transducer adjustments, RF amplifier biasing, automotive electronics, and gain control and offset adjustments.
