AD5246 128 Position I2C Compatible Programmable Resistor in SC70 Package
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
1The terms digital potentiometer, VR, and RDAC are used interchangeably in this document.
The AD5246 provides a compact 2 mm × 2.1 mm packaged solution for 128-position adjustment applications. This device performs the same electronic adjustment function as a variable resistor. Available in four different end-to-end resistance values (5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ), these low temperature coefficient devices are ideal for high accuracy and stability variable resistance adjustments.
The wiper settings are controllable through the I2C compatible digital interface, which can also be used to read back the present wiper register control word. The resistance between the wiper and either end point of the fixed resistor varies linearly with respect to the digital code transferred into the RDAC1 latch.
Operating from a 2.7 V to 5.5 V power supply and consuming 3 μA allows for usage in portable battery-operated applications.
Applications
Features and Benefits- 128 Position
- 5kΩ, 10kΩ , 50kΩ , 100kΩ
End-to-End Resistance - Ultra-Compact SC70-6
(2 mm x 2.1 mm) Package - I2C Compatible Interface
- Full Read/Write of Wiper Register
- Power-on Preset to Midscale
- Single Supply +2.7 V to +5.5 V
- Low Temperature Coefficient
45 ppm/°C - Low Power, IDD=3 µA typical
- Wide Operating Temperature
–40°C to +125°C - Evaluation Board Available
- Available in lead-free (Pb-free) package
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Data Sheets
Application Notes
User Guides
Frequently Asked Questions
Order Information
| Part Number | Package | Packing Qty | Temp Range | Price 100-499 | Price 1000+ | RoHS |
|---|
| AD5246BKSZ10-R2 Production | 6 ld SC70 | REEL 250 | -40 to 125C | 0 | 0 | Y |
| AD5246BKSZ10-RL7 Production | 6 ld SC70 | REEL 3000 | -40 to 125C | 0.5 | 0.45 | Y |
| AD5246BKSZ100-R2 Production | 6 ld SC70 | REEL 250 | -40 to 125C | 0.78 | 0.78 | Y |
| AD5246BKSZ100-RL7 Production | 6 ld SC70 | REEL 3000 | -40 to 125C | 0.5 | 0.45 | Y |
| AD5246BKSZ5-RL7 Production | 6 ld SC70 | REEL 3000 | -40 to 125C | 0.5 | 0.45 | Y |
| AD5246BKSZ50-RL7 Production | 6 ld SC70 | REEL 3000 | -40 to 125C | 0.5 | 0.45 | Y |
Evaluation Boards
| Part Number | Description | Price | RoHS |
|---|
| EVAL-AD5246DBZ | Evaluation Board | 59 | Y |
| EVAL-SDP-CS1Z | Evaluation Controller Board | 49 | Y |
Reference Materials
