# SparkFun Qwiic 12 Bit ADC - 4 Channel (ADS1015)

## Features
· ADS1015 Specifications:
- Operating Voltage: 2.0V - 5.5V (3.3V when powered via Qwiic)
- Operating Temperature: -40°C to 125°C
- Operation Modes: Single-Shot, Continuous-Conversion (default), Duty Cycling
- Analog Inputs: Single-Ended (default), Differential
- Input Voltage Range: GND to VDD
- Full Scale Range (FSR): ±0.256V to ±6.114V (default 2.048V)
- Resolution: 12-bit (Differential), 11-bit (Single-Ended)
- LSB size: 0.125mV - 3mV (default 1mV)
- Sample Rate: 128 Hz - 3.3 kHz (default 1600 SPS)
- Current Consumption: 150μA - 200μA
- I2C Address: 0x48 (default), 0x49, 0x4A, 0x4B
· Connectivity:
- 2x Qwiic connection ports
- Screw pin terminals for solderless connections
· Additional Features:
- Onboard 10K trimpot (connected to channel A3) with isolation jumper.

## Functionality
· Converts analog signals to digital values.
· Supports single-ended or differential inputs.
· Programmable gain amplifier for input signal adjustment.
· Multiple I2C addresses allow for connection of up to four ADCs on the same bus.

## Technical Details
· Resolution: 12-bit differential, 11-bit single-ended.
· Step Size: Ranges from 125μV to 3mV per count, depending on FSR setting.
· I2C Addressing: Selectable via jumper (0x48, 0x49, 0x4A, 0x4B)