SNAU257 October 2020
The TPL1401EVM provides access to all DAC pins through connection J1 and J2, as listed in Table 3-6 and Table 3-7.
| Pin# | Signal | Description |
|---|---|---|
| 1 | VDD | VDD power supply |
| 2 | A0 | I2C address select |
| 3 | NC | Not connected |
| 4 | SCL | I2C SCL |
| 5 | REF | Reference input |
| 6 | NC | Not connected |
| 7 | NC | Not connected |
| 8 | NC | Not connected |
| 9 | NC | Not connected |
| 10 | NC | Not connected |
| 11 | NC | Not connected |
| 12 | NC | Not connected |
| 13 | AGND | Analog ground |
| 14 | AGND | Analog ground |
| 15 | AGND | Analog ground |
| 16 | AGND | Analog ground |
| Pin# | Signal | Description |
|---|---|---|
| 1 | GND | PCB ground |
| 2 | NC | Not connected |
| 3 | NC | Not connected |
| 4 | SDA | I2C SDA |
| 5 | VOUT | DAC output |
| 6 | VFB | DAC feedback pin |
| 7 | DAC_VIO | Pull-up for DAC I2C signals |
| 8 | VIO | Power supply for EEPROM |
| 9 | NC | Not connected |
| 10 | NC | Not connected |
| 11 | NC | Not connected |
| 12 | LDO_CAP | LDO bypass capacitor |
| 13 | AGND | Analog ground |
| 14 | AGND | Analog ground |
| 15 | AGND | Analog ground |
| 16 | AGND | Analog ground |