Texas Instruments
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4-channel 16-bit ADC with a programmable gain amplifier, over I2C. For measurements the microcontroller's own ADC cannot resolve.
| Part number | ADS1115 |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › ADCs |
| Package | MSOP-10 |
| Pins | 10 |
| Resolution | 16 bit |
| Channels | 4 |
ADS1115 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | ADDR | input | I2C address select |
| 2 | ALERT/RDY | output | Comparator or ready output |
| 3 | GND | ground | Ground |
| 4 | AIN0 | analog | Analog input 0 |
| 5 | AIN1 | analog | Analog input 1 |
| 6 | AIN2 | analog | Analog input 2 |
| 7 | AIN3 | analog | Analog input 3 |
| 8 | VDD | power | Supply, 2–5.5V |
| 9 | SDA | bidirectional | I2C data |
| 10 | SCL | bidirectional | I2C clock |
Schematic symbol and footprint
Schematic symbol
Footprint: TSSOP-10 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.