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ADS8684
16-Bit, 500-kSPS, 4-Channels, Single-Supply, SAR ADC with Bipolar Input Range, TSSOP-38
Schematic Symbol
Pin Configuration (38 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | SDI | input |
| 2 | ~{RST/PD} | input |
| 3 | DAISY | input |
| 4 | ~{REFSEL} | input |
| 5 | REFIO | passive |
| 6 | REFGND | power_in |
| 7 | REFCAP | passive |
| 8 | AGND | power_in |
| 9 | AVDD | power_in |
| 10 | AUX_IN | input |
| 11 | AUX_GND | input |
| 12 | NC | no_connect |
| 13 | NC | no_connect |
| 14 | NC | no_connect |
| 15 | NC | no_connect |
| 16 | AIN_0P | input |
| 17 | AIN_0GND | input |
| 18 | AIN_1P | input |
| 19 | AIN_1GND | input |
| 20 | AIN_2GND | input |
| 21 | AIN_2P | input |
| 22 | AIN_3GND | input |
| 23 | AIN_3P | input |
| 24 | NC | no_connect |
| 25 | NC | no_connect |
| 26 | NC | no_connect |
| 27 | NC | no_connect |
| 28 | AGND | passive |
| 29 | AGND | passive |
| 30 | AVDD | power_in |
| 31 | AGND | passive |
| 32 | AGND | passive |
| 33 | DGND | power_in |
| 34 | DVDD | power_in |
| 35 | DNC | no_connect |
| 36 | SDO | output |
| 37 | SCLK | input |
| 38 | ~{CS} | input |
Footprint
ConfirmedPackage_SO/TSSOP-38_4.4x9.7mm_P0.5mm
Pad Layout
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38
Pads (38)
| Number | Type |
|---|---|
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |
| 30 | smd |
| 31 | smd |
| 32 | smd |
| 33 | smd |
| 34 | smd |
| 35 | smd |
| 36 | smd |
| 37 | smd |
| 38 | smd |