Timeline for a lm336 5v ref feeding mcp4922 dac - not getting much vout
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
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| Jun 26 at 10:58 | history | edited | Russell McMahon♦ | CC BY-SA 4.0 |
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| Apr 3, 2012 at 11:00 | comment | added | Russell McMahon♦ | See addition to my answer. | |
| Apr 3, 2012 at 10:02 | history | edited | Ageis | CC BY-SA 3.0 |
added 727 characters in body
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| Apr 3, 2012 at 1:19 | answer | added | Russell McMahon♦ | timeline score: 1 | |
| Apr 3, 2012 at 1:14 | comment | added | Russell McMahon♦ | Circuit diagram of what you are ACTUALLY doing? What is load on each DAC output? What voltage is "my power rail"? MCP4922 datasheet here. What voltage is DAC Vdd? What current can your Ref supply as it is a shunt regulator it depends on feed resistopr). Try feeding DAC Vdd also from Vref. Is ground connected correctly in all cases? | |
| Apr 2, 2012 at 22:50 | history | asked | Ageis | CC BY-SA 3.0 |