MAX22005A 12-Channel Analog Input

Analog Devices MAX22005A 12-Channel Analog Input is an industrial-grade analog input voltage-mode device that can be configured as an analog input current-mode device using an external precision resistor per channel. The MAX22005A can operate as a configurable analog input using an external precision resistor and low-cost switch per channel. Input channels can be used as 12 single-ended inputs, six differential inputs, or up to eight multichannel configurable differential inputs. In total, the device supports up to 26 configurations. The MAX22005 features an integrated 24-bit delta-sigma ADC (Analog to Digital Converter) shared between all channels. The ADC can be used with an integrated 5ppm/°C precision reference or an external reference. Standard industrial analog input voltage ranges are converted to the ADC input voltage range using high-voltage, zero-drift input amplifiers. All input ports are robustly protected up to ±36V reverse polarity and ±2kV surge pulses without the need for TVS diodes.