4-channel, 12-bit ADC with programmable gain amplifier (PGA) on an I2C breakout board. Samples at up to 3300 SPS; PGA supports input ranges from ±256mV to ±6.144V. Useful when a microcontroller lacks an ADC or when higher precision is needed.
Power input for the ADS1015 breakout. Adafruit states acceptable board power/logic is 2V to 5V and to use the same voltage as the host logic level.
Common ground for power and logic.
I2C clock line. The Learn pinout states this pin has a 10K pullup to VIN.
I2C data line. The Learn pinout states this pin has a 10K pullup to VIN.
STEMMA QT / Qwiic connectors carrying I2C, power and ground for solderless connection to development boards or accessories.
I2C address selection pin for ADS11x5 addressing. The base address is 0x48 and the address pin selects alternate addresses.
ADC input pin for channel 0.
ADC input pin for channel 1.
ADC input pin for channel 2.
ADC input pin for channel 3.
Digital comparator output or conversion-ready interrupt/asynchronous read signal.
ADC power supply output on the breakout, described by Adafruit as VIN through a ferrite. It is an output, not an analogue input.
ADC analogue ground output on the breakout, described by Adafruit as digital GND through a ferrite. It is an output, not an analogue input.
Back-side I2C address jumper. Closing it changes the default 0x48 address to 0x49 for this ADS1015 breakout.
Power LED disable jumper. Cut the trace to disable the on-board power LED.
| Pin | Type | Function | Voltage |
|---|---|---|---|
| VIN | Power | Power input for the ADS1015 breakout. Adafruit states acceptable board power/logic is 2V to 5V and to use the same voltage as the host logic level. | 2V to 5V |
| GND | Ground | Common ground for power and logic. | |
| SCL | I2C | I2C clock line. The Learn pinout states this pin has a 10K pullup to VIN. | logic level follows VIN |
| SDA | I2C | I2C data line. The Learn pinout states this pin has a 10K pullup to VIN. | logic level follows VIN |
| STEMMA QT | I2C | STEMMA QT / Qwiic connectors carrying I2C, power and ground for solderless connection to development boards or accessories. | power follows VIN |
| ADDR | Unknown | I2C address selection pin for ADS11x5 addressing. The base address is 0x48 and the address pin selects alternate addresses. | |
| A0 | Analog | ADC input pin for channel 0. | |
| A1 | Analog | ADC input pin for channel 1. | |
| A2 | Analog | ADC input pin for channel 2. | |
| A3 | Analog | ADC input pin for channel 3. | |
| ALRT | GPIO | Digital comparator output or conversion-ready interrupt/asynchronous read signal. | |
| A+ | Power | ADC power supply output on the breakout, described by Adafruit as VIN through a ferrite. It is an output, not an analogue input. | derived from VIN |
| A- | Ground | ADC analogue ground output on the breakout, described by Adafruit as digital GND through a ferrite. It is an output, not an analogue input. | |
| A0 address jumper | Unknown | Back-side I2C address jumper. Closing it changes the default 0x48 address to 0x49 for this ADS1015 breakout. | |
| LED jumper | Unknown | Power LED disable jumper. Cut the trace to disable the on-board power LED. |
Power input for the ADS1015 breakout. Adafruit states acceptable board power/logic is 2V to 5V and to use the same voltage as the host logic level.
Common ground for power and logic.
I2C clock line. The Learn pinout states this pin has a 10K pullup to VIN.
I2C data line. The Learn pinout states this pin has a 10K pullup to VIN.
STEMMA QT / Qwiic connectors carrying I2C, power and ground for solderless connection to development boards or accessories.
I2C address selection pin for ADS11x5 addressing. The base address is 0x48 and the address pin selects alternate addresses.
ADC input pin for channel 0.
ADC input pin for channel 1.
ADC input pin for channel 2.
ADC input pin for channel 3.
Digital comparator output or conversion-ready interrupt/asynchronous read signal.
ADC power supply output on the breakout, described by Adafruit as VIN through a ferrite. It is an output, not an analogue input.
ADC analogue ground output on the breakout, described by Adafruit as digital GND through a ferrite. It is an output, not an analogue input.
Back-side I2C address jumper. Closing it changes the default 0x48 address to 0x49 for this ADS1015 breakout.
Power LED disable jumper. Cut the trace to disable the on-board power LED.
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