RAKSTORE ADS1220 24-Bit ADC Converter Board Module, I2C, Low Power, Analog-Digital Sensor, SPI, 3V-5V, CJMCU-1220

Description

• ADS1220 precision 24-bit analog-to-digital converter (ADC) with integrated functions for reducing system cost and component count when measuring small sensor signals
• Flexible input multiplexer (MUX), low-noise programmable gain amplifier (PGA), two programmable excitation current sources, voltage reference, oscillator, low-side switch, and precision temperature sensor
• Supports two differential or four single-ended inputs
• Low power consumption: as low as 120 A in duty-cycle mode (typical)
• Supply range: 3 V to 5 V
• Dual matched programmable current source: 10 A to 1.5 mA

Parameters: Low power consumption: as low as 120 A in duty-cycle mode (typical) Supply range: 3 V to 5 V Up to 20 bits of effective resolution Two differential or four single-ended inputs Dual matched programmable current source: 10 A to 1.5 mA Internal 2.048 V reference: 5 ppm/C typical drift Internal 2% precision oscillator Internal temperature sensor: 0.5C typical accuracy SPI-compatible interface (Mode 1) Applications: Temperature sensor measurement: - Thermistor - Thermocouple - Resistance temperature detector (RTD): 2-wire, 3-wire, or 4-wire types Bridge sensor measurement: - Pressure sensor - Strain gauge - Scale Portable instruments Factory automation and process control

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