Overview
The AD5246BKSZ100-RL7, produced by Analog Devices Inc., is a 128-position I2C compatible digital resistor. This device is packaged in an ultracompact SC70-6 package, measuring 2 mm × 2.1 mm, making it ideal for space-constrained applications. It performs the same electronic adjustment function as a variable resistor and is available in several end-to-end resistance values, including 100 kΩ for this specific model. The AD5246 is designed for high accuracy and stability in variable resistance adjustments, operating from a single supply of 2.7 V to 5.5 V and consuming a low typical current of 0.9 µA at 3.3 V.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| End-to-end Resistance | 100 kΩ | kΩ |
| Number of Positions | 128 | - |
| Package Type | SC70-6 | - |
| Package Dimensions | 2 mm × 2.1 mm | mm |
| Interface | I2C compatible | - |
| Power Supply Range | 2.7 V to 5.5 V | V |
| Typical Supply Current at 3.3 V | 0.9 µA | µA |
| Operating Temperature Range | –40°C to +125°C | °C |
| Rheostat Mode Temperature Coefficient | 45 ppm/°C | ppm/°C |
Key Features
- Full read/write of wiper register through I2C interface.
- Power-on preset to midscale.
- Low power consumption, typical IDD = 0.9 µA at 3.3 V.
- Wide operating temperature range of –40°C to +125°C.
- Low temperature coefficient of 45 ppm/°C in rheostat mode.
- Ultracompact SC70-6 package for space-constrained applications.
Applications
- Mechanical potentiometer replacement in new designs.
- Transducer adjustment for pressure, temperature, position, chemical, and optical sensors.
- RF amplifier biasing.
- Automotive electronics adjustment.
- Gain control and offset adjustment.
Q & A
- What is the AD5246BKSZ100-RL7 used for?
The AD5246BKSZ100-RL7 is used as a digital resistor, providing 128-position adjustment, similar to a variable resistor, and is suitable for various applications including mechanical potentiometer replacement, sensor adjustments, and RF amplifier biasing.
- What is the end-to-end resistance of the AD5246BKSZ100-RL7?
The end-to-end resistance of the AD5246BKSZ100-RL7 is 100 kΩ.
- What is the package type and dimensions of the AD5246BKSZ100-RL7?
The AD5246BKSZ100-RL7 is packaged in an ultracompact SC70-6 package, measuring 2 mm × 2.1 mm.
- What is the operating temperature range of the AD5246BKSZ100-RL7?
The operating temperature range of the AD5246BKSZ100-RL7 is –40°C to +125°C.
- How does the AD5246BKSZ100-RL7 interface with other components?
The AD5246BKSZ100-RL7 interfaces through an I2C compatible digital interface.
- What is the typical supply current of the AD5246BKSZ100-RL7 at 3.3 V?
The typical supply current of the AD5246BKSZ100-RL7 at 3.3 V is 0.9 µA.
- What are some common applications of the AD5246BKSZ100-RL7?
Common applications include mechanical potentiometer replacement, transducer adjustments, RF amplifier biasing, automotive electronics adjustment, and gain control and offset adjustment.
- What is the temperature coefficient of the AD5246BKSZ100-RL7 in rheostat mode?
The temperature coefficient in rheostat mode is 45 ppm/°C.
- Can the AD5246BKSZ100-RL7 be used in battery-operated devices?
Yes, the AD5246BKSZ100-RL7 can be used in battery-operated devices due to its low power consumption.
- How is the wiper register controlled in the AD5246BKSZ100-RL7?
The wiper register is controlled through the I2C compatible digital interface, allowing for full read/write operations.
