DESCRIPTION
Achieve laboratory-grade measurement accuracy with the ADS1220 24-bit 4-channel Analog-to-Digital Converter module — the ideal solution for engineers, makers, and researchers across Singapore who demand ultra-low noise signal acquisition in compact, power-efficient designs.
Built around Texas Instruments' ADS1220 IC, this ADC module delivers exceptional resolution and flexibility for precision sensing applications including load cells, RTDs, thermocouples, strain gauges, pressure transducers, and industrial data acquisition systems. Whether you are prototyping in a makerspace, deploying in a factory environment, or integrating into medical instrumentation, the ADS1220 provides the signal integrity you need.
The module communicates via a standard 4-wire SPI interface, making it straightforward to integrate with popular microcontrollers and single-board computers such as Arduino, ESP32, Raspberry Pi, and STM32. Its wide supply voltage range and low power consumption make it equally suited for battery-operated field instruments and mains-powered industrial equipment.
Compatible with Singapore's tropical operating environment and widely used in IIoT (Industrial Internet of Things), smart manufacturing, and research & development workflows, this ADC module is a trusted choice for professionals working to Industry 4.0 standards.
APPLICATIONS
- Weigh scales and load cell interfaces
- Temperature measurement (RTD, thermocouple)
- Pressure and strain gauge data acquisition
- Industrial process monitoring (Industry 4.0 / IIoT)
- Scientific and laboratory instrumentation
- Medical device prototyping
- Smart agriculture soil and environmental sensors
- Battery-powered remote field instruments
TECHNICAL DETAILS
- Supply Voltage (AVDD): 2.3 V to 5.5 V
- Supply Voltage (DVDD): 2.3 V to 5.25 V
- Power Consumption: 250 µA (Normal Mode); 50 µA (Duty-Cycle Mode)
- Interface Logic Level: 3.3 V / 5 V compatible
- ADC IC: Texas Instruments ADS1220
- Resolution: 24-bit
- Number of Input Channels: 4 single-ended / 2 differential
- Input Multiplexer: 4-channel MUX with flexible differential pairing
- Data Output Rate: 20 SPS to 2000 SPS (Normal Mode); up to 2000 SPS (Turbo Mode)
- Programmable Gain Amplifier (PGA): 1, 2, 4, 8, 16, 32, 64, 128
- Interface: SPI (4-wire: SCLK, MOSI, MISO, CS)
- Input Referred Noise: As low as 90 nVrms (at 20 SPS, Gain=128)
- Offset Error: ±5 µV (typ)
- Gain Error: ±0.0015% FSR (typ)
- Internal Reference: 2.048 V
- External Reference: Supported
- Internal Temperature Sensor: Yes (±0.5°C accuracy)
- Current Sources: Two programmable current sources (10 µA to 1.5 mA)
- Burn-out Current Sources: Yes
- Operating Temperature: –40°C to +125°C
SHIPPING LIST
- 1x Analog Digital Converter ADC 4 Channel ADS1220 24-bit
- 2x Male Header Pins
