With this LTC2440IGN ADC from Linear Technology you will have no problem converting real world physical signals into a sequence of digital data. This device"s digital interface is serial (2-wire, 3-wire, 4-wire, spi, microwire). This device is based on Delta-Sigma architecture. It has a differential input signal. This ADC has a resolution of 24bit. This ADC has an input voltage of ±2.75 V. This ADC has a minimum operating temperature of -40 °C and a maximum of 85 °C.