Overview
The AD5246BKSZ5-RL7, produced by Analog Devices Inc., is a 128-position I2C-compatible digital resistor. This device is packaged in an ultracompact 6-lead SC70 package, measuring 2 mm × 2.1 mm. It functions as a variable resistor, providing electronic adjustment capabilities similar to a mechanical potentiometer. The AD5246 is available in four different end-to-end resistance values: 5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ. It operates on a single supply voltage ranging from 2.7 V to 5.5 V and consumes very low power, typically 0.9 µA at 3.3 V, making it suitable for battery-operated applications.
Key Specifications
| Parameter | Value |
|---|---|
| End-to-end Resistance | 5 kΩ (for AD5246BKSZ5-RL7) |
| 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 (IDD) | 0.9 µA at 3.3 V (typical) |
| Operating Temperature Range | –40°C to +125°C |
| I2C Interface | Compatible with I2C 2-wire serial bus |
| Power-on Preset | Midscale |
| Rheostat Mode Temperature Coefficient | 45 ppm/°C |
Key Features
- I2C-compatible interface for full read/write of wiper register
- Power-on preset to midscale
- Low power consumption: 0.9 µA at 3.3 V (typical)
- Wide operating temperature range: –40°C to +125°C
- Ultracompact SC70-6 package
- Rheostat mode temperature coefficient: 45 ppm/°C
- Single supply operation: 2.7 V to 5.5 V
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 AD5246BKSZ5-RL7 used for? The AD5246BKSZ5-RL7 is used as a digital resistor, providing electronic adjustment capabilities similar to a mechanical potentiometer.
- What are the available end-to-end resistance values for the AD5246? The AD5246 is available in 5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ end-to-end resistance values.
- What is the package type and dimensions of the AD5246BKSZ5-RL7? The AD5246BKSZ5-RL7 is packaged in a 6-lead SC70 package, measuring 2 mm × 2.1 mm.
- What is the supply voltage range for the AD5246BKSZ5-RL7? The supply voltage range is from 2.7 V to 5.5 V.
- How much power does the AD5246BKSZ5-RL7 consume? The AD5246BKSZ5-RL7 consumes typically 0.9 µA at 3.3 V.
- What is the operating temperature range of the AD5246BKSZ5-RL7? The operating temperature range is from –40°C to +125°C.
- Does the AD5246BKSZ5-RL7 support I2C interface? Yes, it is compatible with the I2C 2-wire serial bus.
- What is the power-on preset value for the AD5246BKSZ5-RL7? The power-on preset is to midscale.
- What are some common applications of the AD5246BKSZ5-RL7? Common applications include mechanical potentiometer replacement, transducer adjustment, RF amplifier biasing, automotive electronics adjustment, and gain control and offset adjustment.
- What is the rheostat mode temperature coefficient of the AD5246BKSZ5-RL7? The rheostat mode temperature coefficient is 45 ppm/°C.
