Do any One Know an alternative for Digital Pot or Digital Pot highest Value 100 Mega Ohm?

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Kailash198

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As I'm Building a Project related to Healthcare I need a Resistor of Various Value like 10 M, 2 M, 550 K etc so if a I can get this values encapsulated in Single Chip so it will be a Great. Please Suggest me with Appropriate Help.
Thank You.
 
It is very difficult to work with resistances that high as leakage current can easily take more current than the resistor.

I don't think that digital potentiometers are made with values that high.

Digital potentiometers are actually made as many fixed resistors, connected by solid-state relays. If you only need a few values, you could used separate resistors and relays. The relays could be solid state or mechanical.
 
Kailash198 said:
10 M, 2 M, 550 K etc so if a I can get this values encapsulated in Single Chip
Click to expand...
You can but it will cost!
Really we don't know enough about your needs to comment now.

Years ago I had many 20 pin modules like this made up with different resistors printed on them.
 
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