AD5247 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

AD5247
Manufacturer

ADI
ChipWorker Part#

CW389437887
Description

128Position I2C Compatible Digital Potentiometer in SC70 Package
Documentation

Datasheet

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AD5247 Specifications

Attribute	Attribute Value

Part Number	AD5247
Manufacturer	ADI
ChipWorker Part#	CW389437887
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD5247 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 mechanical potentiometer or a variable resistor. Available in four different end-to-end resistance values (5 kΩ, 10 kΩ, 50 kΩ, and 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 10 kΩ and 100 kΩ options each have three hard-coded slave address options available to allow users access to three of these devices on one I2C bus (see Table 8 for a full list of slave address locations).
The resistance between the wiper and either end point of the fixed resistor varies linearly with respect to the digital code transferred into the RDAC latch. Note the terms digital potentiometer, VR (variable resistor), and RDAC are used interchangeably in this document.
Operating from a 2.7 V to 5.5 V power supply and consuming 3 μA allows the AD5247 to be used in portable battery-operated applications
**Applications**
Mechanical potentiometer replacement in new designs
Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
RF amplifier-biasing
LCD brightness and contrast adjustment
Automotive electronics adjustment
Gain control and offset adjustment
### Features and Benefits
128 positions
End-to-end resistance: 5 kΩ,
10 kΩ, 50 kΩ, 100 kΩ
Ultracompact, SC70-6 (2 mm × 2.1 mm) package
I2C-compatible interface
Full read/write of wiper register
Power-on preset to midscale
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Single-supply 2.7 V to 5.5 V
Low temperature coefficient:
45 ppm/°C
Low power, IDD = 3 μA typical
Wide operating temperature range: –40°C to +125°C
Available in Pb–free package
Evaluation board available
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- Anti-vibration foam
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