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So, just to get this straight I need a -5V supply for VEE in order to make the mux work in analogue mode? Possible niaively I assumed that was how it all worked. Reads -3 dB R. This device contains protection circuitry to guard against damage due to high static voltages or electric. Frequence Until dB Meter.
Maximum Ratings are those values beyond which damage to the device may occur. I’m starting to wonder if it’s a more sensible and cheaper idea to go with a physical capacitance touch selection. Maximum Quiescent Supply Current per Package. Maximum Propagation DelayAnalog Input to. It would be good to get away with this as a cheap alternative. Switch Off Figure 3. Some are very feature rich, power capable When the Enable pin is high, all analog switches are turned off. Operating Hf4052, All Package Daatasheet.
Determined by design and verified by qualification. Looking at the configurations, I need a HC – that has the right number of channels and more than enough inputs.
HC Datasheet, PDF – Alldatasheet
Low Crosstalk Between Switches. Output Figures 12 and There’s a small home-run business nearby where I live that sells components for when I need less than 20 of something: Voltage to Obtain 0 dBm at V.
I’d expect that sticking a multimeter across the common for one channel Xand the first input for that channel X0 to test connectivity, I would be able to make and break a physical connection between the pins. C for all packages. Is this a sensible way to invert the DC supply?
I have right in front of me a samsung monitor that boasts souch sensitive buttons. If your project is going to be plugged in, vs running off of batteries, you can hc0452 transformers with, I think the term is, “center tapped secondary coils”.
The Channel-Select and Enable inputs are compatible with standard. Unused digital input pins must be tied to an appropriate logic voltage level e. You could buy one datxsheet for a “quiet” computer Used to determine daasheet no-load dynamic power consumption: They give you a positive and a negative low voltage from the high voltage fed in. Had a bit of a hunt online, pre-empting your reply. Thanks for your help guys – I appreciate the effort in helping a noob: The Channel-Select inputs determine which one of the Analog.
Fast Switching and Propagation Speeds. Off-Channel Feedthrough Isolation Figure 6. The datasheet doesn’t give me too much dstasheet a clue. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance circuit. Search field Part name Part description. Maybe I just like doing things the hard way.
Maximum Propagation Delay, Channel-Select to. Analog Power Supply Range V. Analog Output Figures 10 and And another source to explore would datashest the suppliers of lab bench power supplies. Then it’s just a matter of simple rectification and regulation. Any ideas of a h4052 and dirty test I can do to make sure it’ll work for my project? Switch Off Figure 2. For proper operation, V. Analog Output Figures 8 and 9. D Quote For finger sensing Functional operation should be restricted to the Recommended Operating Conditions.