Mesa Electronics THCAD High Isolation Analog-to-Digital Card
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Overview
THCAD stands for "Torch Height Control Analog to Digital", as the main application of a high isolation analog to digital converter is for CNC plasma cutters with arc voltage feedback for torch height control.
Bill of Materials
| Name | Marking | Part |
|---|---|---|
| U1,U2,U10 | [Nexperia Logo] 74HC4040D CXT38501 TXD2040D | Nexperia 74HC4040D |
| U3,U5 | NXP 74HC04D CKT58301 TXD1610E | Nexperia 74HC04D |
| U4 | ISL32174 EIBZ W2001AAAB | Renesas ISL32174EIBZ |
| U6 | 5241ARZ #2013* 75420 | Analog Devices ADUM5241ARZ |
| U7 | MV342I [TI logo] Q7M AP9JG4 | Texas Instruments LMV342ID |
| U8 | [Analog Devices logo] V OK [MSOP-8] | Analog Devices AD7740KRMZ |
| U9 | L0A | Texas Instruments LM3480IM3X-3.3 |
| U11 | 431BV PEKW | onsemi NCV431BVD |
| U12 | 272C [TI logo] 8AM AHDL G4 | Texas Instruments TLC272CD |
| CR4 | A7W 9n (or u6?) | onsemi SBAV99LT3G |
| CR1 | [Diodes Incorporated logo] 504 1N4002 [DO-41] | Diodes Incorporated 1N4002 |