ADS1220 MODULE

🔹 ADS1220 Module – 24-Bit ADC, 4-Channel, 2kSPS, Low-Power

The ADS1220 is a precision, 24-bit analog-to-digital converter module that integrates a low-noise PGA, voltage reference, oscillator, and temperature sensor. It is designed for measuring small sensor signals in applications such as temperature, pressure, strain, and flow measurements.

✅ Specifications:

• ADC Type: 24-bit Delta-Sigma

• Inputs: 2 Differential / 4 Single-Ended

• Data Rate: Up to 2kSPS

• PGA Gain: 1 to 128 V/V

• Interface: SPI

• Supply Voltage: 2.3V to 5.5V

• Current Consumption: 120µA (duty-cycle mode), 415µA (normal mode)

• Internal Reference: 2.048V, 5ppm/°C drift

• Temperature Sensor: 0.5°C accuracy

• Package: VQFN-16 (3.5mm × 3.5mm)

📦 Features:
✔️ 24-bit resolution with up to 20-bit effective resolution
✔️ Integrated low-noise PGA for small signal measurement
✔️ Simultaneous 50Hz and 60Hz rejection at 20SPS
✔️ Dual programmable excitation current sources (10µA to 1.5mA)
✔️ Internal oscillator and precision temperature sensor

📦 Applications:
✔️ RTD, thermocouple, and thermistor measurements
✔️ Resistive bridge sensors (pressure, strain, weigh scales)
✔️ PLC and DCS analog input modules
✔️ Portable instrumentation
✔️ Factory automation and process control