SLAU905A August 2023 – November 2023 DAC81401
The DAC81401EVM has a variety of test points available for measuring and debugging purposes. Table 3-4 explains the purpose of each test point.
| Test Point | Net | Description |
|---|---|---|
| TP4 | DAC_VOUT | DAC81401 output |
| TP6 | VREF | DAC81401 reference voltage |
| TP7 | AVDD | DAC8140 1 AVDD |
TP8 | AVSS | DAC81401 AVSS |
TP9 | DVDD | DAC81401 DVDD |
| TP10 | IOVDD | DAC81401 IOVDD |
| TP12,TP13,TP14,TP16,TP16 | GND | Ground connection |
TP17 | Current flag (U2) | Current flag output of OPA593 (U2) |
| TP18 | Thermal flag (U2) | Thermal flag output of OPA593 (U2) |
| TP19 | DAC_OUT = 4× | High voltage gain BY 4× output for DAC81401 DAC_OUT |
| TP20 | DAC VSENSEP HV | Attenuated by 4X output for DAC81401 VSENSEP |
TP21 | 3P3V | 3.3-V LDO output |
| TP22 | 1P8V | 1.8-V LDO output |
| TP23 | TRIG | FTDI trigger pin |