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Package Cooled:2800
Part Number: AD5161
Package Cooled: 2800
Description: The AD5161 provides a compact 3 mm × 4.9 mm packaged solution for 256-position adjustment applications. These dev...
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AD5161
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DataSheet
General Description
AD5161 General Description
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.
AD5161 Maximum Ratings
VDD to GND 0.3 V to +7 V
VA, VB, VW to GND VDD
IMAX1 ±20 mA
Digital Inputs and Output Voltage to GND 0 V to +7 V
Operating Temperature Range 40°C to +125°C
Maximum Junction Temperature (TJMAX) 150°C
Storage Temperature 65°C to +150°C
Lead Temperature (Soldering, 10 sec) 300°C
Thermal Resistance2JA: MSOP-10 200°C/W
VA, VB, VW to GND VDD
IMAX1 ±20 mA
Digital Inputs and Output Voltage to GND 0 V to +7 V
Operating Temperature Range 40°C to +125°C
Maximum Junction Temperature (TJMAX) 150°C
Storage Temperature 65°C to +150°C
Lead Temperature (Soldering, 10 sec) 300°C
Thermal Resistance2JA: MSOP-10 200°C/W
AD5161 Features
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/I
2C 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
Evaluation board available
End-to-end resistance 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ
Compact MSOP-10 (3 mm * 4.9 mm) package
Pin selectable SPI/I
2C 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
Evaluation board available
AD5161 Typical Application
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
Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
RF amplifier biasing
Automotive electronics adjustment
Gain control and offset adjustment
AD5161 Connection Diagram
AD5161
PDF/DataSheet Download
- Datasheet: AD5161
- File Size: 1026398 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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