@▷ Analog Devices,Inc AD5172/5173 Datasheet for Touch Screen Controller | Diagram for Schematic

Analog Devices,Inc AD5172/5173 Datasheet for Touch Screen Controller

[Data Conversion] Analog Devices,Inc AD5172/5173 Datasheet for Touch Screen Controller: ad5172-5173-theory-of-operation-thumb.jpg

The AD5172/AD5173 are dual-channel, 256-position, one-time programmable (OTP) digital potentiometers1 that employ fuse link technology to achieve memory retention of resistance settings. These devices perform the same electronic adjustment function as mechanical potentiometers or variable resistors but with enhanced resolution, solid-state reliability, and superior low temperature coefficient performance.

 AD5172_5173 Theory of Operation

Unlike traditional OTP digital potentiometers, the AD5172/ AD5173 have a unique temporary OTP overwrite feature that allows for new adjustments even after a fuse is blown. However, the OTP setting is restored during subsequent power-up conditions. This allows users to treat these digital potentiometers as volatile potentiometers with a programmable preset.

This device can be applied for systems calibration, electronics level setting, mechanical trimmers replacement in new designs, permanent factory PCB setting, transducer adjustment of pressure, temperature, position, chemical, and optical sensors, RF amplifier biasing, automotive electronics adjustment, gain control and offset adjustment.

Detailed features, specifications, theory of operations, pin configurations and function descriptions, etc about Analog Devices AD5173 Datasheet for Touch Screen Controller can be downloaded in 24 pages of pdf filetype/858 Kb (source: analog.com).

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