18-Bit, Single-Channel, Ultra-Low-Power, DeltaSigma ADCs with Programmable Gain and GPIO
| Pin | Name | Type |
|---|---|---|
| 8 | AINP | input |
| 7 | AINN | input |
| 5 | REFP | input |
| 6 | REFN | input |
| 15 | CLK | input |
| 14 | SCLK | input |
| 12 | DIN | input |
| 13 | ~{RDY}/DOUT | output |
| 11 | ~{CS} | input |
| 9 | AVDD | power_in |
| 10 | DVDD | input |
| 1 | GPIO1 | bidirectional |
| 2 | GPIO2 | bidirectional |
| 3 | GPIO3 | bidirectional |
| 16 | GPIO4 | bidirectional |
| 4 | GND | input |
