809281 BB-ADS1220 - FOUR CHANNEL SIGMA DELTA PRECISE 24-BIT ADC

• Fully integrated TI ADS1220
• All IC pins available at the two connector rows 
• Each signal is named near the connector
• Breadboard-friednly 0.1" step between pins
• Included plastic headers for easier mounting on a breadboard (not soldered to the board)
• Board dimensions: (750 x 850)mil ~ (19.0 x 21.5)mm

Texas Instruments ADS1220 features:

• Low Current Consumption 120 µA in Duty-Cycle Mode
• Wide Supply Range: 2.3 V to 5.5 V
• Programmable Gain: 1 V/V to 128 V/V
• Programmable Data Rates: Up to 2 kSPS
• Up to 20-Bits Effective Resolution
• Simultaneous 50-Hz and 60-Hz Rejection at 20 SPS with Single-Cycle Settling Digital Filter
• Two Differential or Four Single-Ended Inputs
• Dual Matched Programmable Current Sources: 10 µA to 1.5 mA
• Internal 2.048-V Reference: 5 ppm/°C (typ) Drift
• Internal 2% Accurate Oscillator
• Internal Temperature Sensor: 0.5°C (typ) Accuracy
• SPI-Compatible Interface (Mode 1)

DOCUMENTS

• ADS1220 datasheet

HARDWARE

• KiCAD CAD files on GitHub
• Schematic in PDF format

SOFTWARE

• OLIMEXINO-32U4 (Arduino Leonardo) example
• Python example (Debian Wheezy images only)
• A20-OLinuXino-MICRO example is in progress