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For proper operation, V. The datasheet doesn’t give me too much of a clue. Maximum Ratings are those values beyond which damage to the device may occur.

That looks to be precisely what I need. Analog Power Supply Range V. The Channel-Select hc052 determine which one of the Analog. Maximum Quiescent Supply Current per Package.

Possible niaively I assumed that was how it all worked. Analog Output Figures 10 and For voltage drops across the switch greater than 1. Used to determine the no-load dynamic power consumption: I’m starting to wonder if it’s a more sensible and cheaper idea to go with a physical capacitance touch selection. Operating Temperature, Hx4052 Package Types. When the Enable pin is high, all analog switches datasheeet turned off.


They give you a positive and a negative low voltage from the high voltage fed in. And another source to explore would be the suppliers of lab bench power supplies.

So, just to get this straight I need a -5V supply for VEE in order to make the hc405 work in analogue mode? However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance circuit.

HC Datasheet, PDF – Alldatasheet

I bet there are some inexpensive basic models, too, though. Maybe Datasheey just like doing things the hard way. Functional operation should be restricted to the Recommended Operating Conditions. Unused digital input pins must be tied to an appropriate logic voltage level e. Any ideas of a quick and dirty test I can do to make sure it’ll work for my project?

HC4052 Datasheet

It would be good to get away with this as a cheap alternative. Then it’s just a matter of simple rectification and regulation. Uc4052 Commo n Off. I’m learning as I go having only done an AS level in electronics over 15 years ago where I learned nothing – I’m much more at home with a C compiler: Search field Part name Part description. Is this a sensible way to invert the DC supply?


Frequence Until dB Meter. If your project is going to be plugged in, vs running off of batteries, you can buy transformers with, I think the term is, “center tapped secondary coils”. datashest

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Voltage to Obtain 0 dBm at V. Total Harmonic Distortion Figure C for all packages. Low Crosstalk Between Switches. Analog Output Figures 8 and 9.

There’s a small home-run business nearby where I live that sells components for when I need less than 20 of something: You could buy one intended for a “quiet” computer I was kinda hoping to make the selection button completely hidden and awesome-looking, but I might have to resort to a small contact.

This device contains protection circuitry to guard against damage due to high static voltages or electric.