| ??? 04/22/05 17:25 Read: times |
#92187 - all good, but Responding to: ???'s previous message |
let's assume an 8 bit ADC
the typical error is +- 1 LSb = only 7 switches precision is 1/256 ~ 1/4 %. since 1/4% resistors are not available we need to use .15 resistors at 25 cents each. Possible - yes. A good idea, I doubt it. Erik |
| Topic | Author | Date |
| ADC as digital input | 01/01/70 00:00 | |
| Saturation | 01/01/70 00:00 | |
| good point | 01/01/70 00:00 | |
| URL | 01/01/70 00:00 | |
| all good, but | 01/01/70 00:00 | |
| optocouplers | 01/01/70 00:00 | |
| Re: ADC as digital input | 01/01/70 00:00 | |
| go analog | 01/01/70 00:00 | |
| schematic | 01/01/70 00:00 | |
| It is possible to do but why..... | 01/01/70 00:00 | |
| opto | 01/01/70 00:00 | |
| Possible but troublesome... | 01/01/70 00:00 | |
| very informative | 01/01/70 00:00 | |
overcomming opto difference | 01/01/70 00:00 |