HomedatasheetAD5245BRJZ5-R2

AD5245BRJZ5-R2 Datasheet

Data Acquisition - Digital Potentiometers
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Description

The AD5245BRJZ5-R2 provides a compact 2.9 mm × 3 mm packagedsolution for 256-position adjustment applications. These devices perform the same electronic adjustment function asmechanical potentiometers or variable resistors, with enhancedresolution, solid-state reliability, and superior low temperature coefficient performance.The wiper settings are controllable through an I2C-compatible digital interface, which can also be used to read back the wiper register content. AD0 can be used to place up to two devices on the same bus. Command bits are available to reset the wiper position to midscale or to shut down the device into a state of zero power consumption. AD5245BRJZ5-R2 Features • 256-position • End-to-end resistance 5 kΩ, 10 kΩ, 50 kΩ, 100 kΩ • Compact SOT-23-8 (2.9 mm × 3 mm) package • Fast settling time: tS = 5 µs typ on power-up • Full read/writeof wiper register • Power-on preset to midscale • Extra package address decode pin AD0 • Computer software replaces µC in factory programming applications Single supply: 2.7 V to 5.5 V Low temperature coefficient 45 ppm/°C Low power: IDD = 8 µA Wide operating temperature: –40°Cto +125°CEvaluation board available AD5245BRJZ5-R2 Applications • Mechanical potentiometer replacement in new designs • LCD panelVCOM adjustment• LCD panel brightness and contrast control • Transducer adjustment of pressure, temperature, position, • chemical, and optical sensors• RF amplifier biasing • Automotive electronics adjustment• Gain control and offset adjustment
Features

Parameters

[{"Name":"Tolerance","Value":"30 %"},{"Name":"Taps per POT","Value":"256"},{"Name":"Digital Interface","Value":"I2C"},{"Name":"Operating Supply Voltage","Value":"5.5 V"},{"Name":"Supply Current","Value":"3 uA"},{"Name":"Maximum Operating Temperature","Value":"+ 125 C"},{"Name":"Minimum Operating Temperature","Value":"- 40 C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

SEIKO INSTRUMENTS

Seiko Instruments Inc. Is a Japanese company which head office is located in 8, Nakase 1-chome, Mihama-ku, Chiba-shi, Chiba 261-8507, Japan . It’s business lines are: Watches Business Watches, Watch Movements Electronic Components Business Quartz crystals, Micro batteries, etc. Precision Mechatronics Business Inkjet printer heads, Hard disk components, Thermal printers, Compact precision components, Machine tools, FA, Musical instrument accessories, Radiation detection and measurement systems, etc.


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