AD5161 - ADI

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

Part No

AD5161
Manufacturer

ADI
ChipWorker Part#

CW480103719
Description

256Position SPI/I2C Selectable Digital Potentiometer
Documentation

Datasheet

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AD5161 Specifications

Attribute	Attribute Value

Part Number	AD5161
Manufacturer	ADI
ChipWorker Part#	CW480103719
Documentation	Datasheet
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Product Lifecycle Status	Active

Product Description

Product Details
The AD5161 provides a compact 3 mm × 4.9 mm packaged solution for 256-position adjustment applications. These devices perform the same electronic adjustment function as mechanical potentiometers or variable resistors, with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance.
The wiper settings are controllable through a pin selectable SPI or I2C compatible digital interface, which can also be used to read back the wiper register content. When the SPI mode is used, the device can be daisy-chained (SDO to SDI), allowing several parts to share the same control lines. In the I2C mode, address pin AD0 can be used to place up to two devices on the same bus. In this same mode, command bits are available to reset the wiper position to midscale or to shut down the device into a state of zero power consumption.
Operating from a 2.7 V to 5.5 V power supply and consuming less than 5 μA allows for usage 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
Gain control and offset adjustment
### Features and Benefits
256-position
End-to-end resistance 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
Compact MSOP-10 (3 mm × 4.9 mm) package
Pin selectable SPI/I2C compatible interface
Extra package address decode pin AD0
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 = 8 μA
Wide operating temperature −40°C to +125°C
SDO output allows multiple device daisy-chaining

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- Carefully tested and packaged by ChipWorker
- Vacuum packed
- Anti-static packaging
- Anti-vibration foam
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- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing

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