Overview
The AD5246BKSZ10-RL7, produced by Analog Devices Inc., is a 128-position I2C compatible digital resistor. This device is designed to provide a compact solution for various adjustment applications, functioning similarly to a mechanical potentiometer but with the advantages of digital control. It is available in an ultracompact SC70-6 package, measuring 2 mm × 2.1 mm, making it ideal for space-constrained designs. The AD5246 supports a single supply voltage range of 2.7 V to 5.5 V and operates over a wide temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Resistance | 10 kΩ | kΩ |
| Number of Positions | 128 | - |
| Supply Voltage Range | 2.7 to 5.5 | V |
| Operating Temperature Range | –40°C to +125°C | °C |
| Supply Current (at 3.3 V) | 0.9 µA (typical) | µA |
| Resistance Temperature Coefficient | 45 ppm/°C | ppm/°C |
| Package Type | SC70-6 | - |
| Interface | I2C Compatible 2-Wire Serial Bus | - |
Key Features
- I2C compatible interface for easy communication and control.
- Full read/write of wiper register, allowing precise adjustment.
- Power-on preset to midscale, ensuring consistent startup conditions.
- Low power consumption with a typical supply current of 0.9 µA at 3.3 V.
- Wide operating temperature range of –40°C to +125°C.
- Compact SC70-6 package suitable for space-constrained designs.
- Rheostat mode with a temperature coefficient of 45 ppm/°C.
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 in various electronic circuits.
Q & A
- What is the nominal resistance of the AD5246BKSZ10-RL7?
The nominal resistance of the AD5246BKSZ10-RL7 is 10 kΩ. - How many positions does the AD5246BKSZ10-RL7 have?
The AD5246BKSZ10-RL7 has 128 positions. - What is the supply voltage range for the AD5246BKSZ10-RL7?
The supply voltage range is 2.7 V to 5.5 V. - What is the operating temperature range of the AD5246BKSZ10-RL7?
The operating temperature range is –40°C to +125°C. - What is the typical supply current at 3.3 V for the AD5246BKSZ10-RL7?
The typical supply current at 3.3 V is 0.9 µA. - What is the resistance temperature coefficient of the AD5246BKSZ10-RL7?
The resistance temperature coefficient is 45 ppm/°C. - What type of package does the AD5246BKSZ10-RL7 come in?
The AD5246BKSZ10-RL7 comes in an SC70-6 package. - What interface does the AD5246BKSZ10-RL7 use?
The AD5246BKSZ10-RL7 uses an I2C compatible 2-wire serial bus interface. - What are some common applications of the AD5246BKSZ10-RL7?
Common applications include mechanical potentiometer replacement, transducer adjustment, RF amplifier biasing, automotive electronics adjustment, and gain control and offset adjustment. - Is the AD5246BKSZ10-RL7 suitable for space-constrained designs?
Yes, the AD5246BKSZ10-RL7 is suitable for space-constrained designs due to its compact SC70-6 package.
