10/30/2023 0 Comments SPI totem pole output![]() The MAX14914A is an industrial-grade digital IO device designed to complement the MAX22000 for universal IO applications. The MAX22000 is an on-the-fly, software-configurable, industrial-grade analog input/output (IO) device with voltage and current options. Configurable Analog and Digital IO Devices ![]() This combination offers significant advantages with on-the-fly software configuration by replacing manual wired marshalling with electronic marshalling and enables enhanced port density in an IO card. Devices that use configurable IO, such as the MAX22000 and MAX14914A, offer modular flexibility to data acquisition (DAQ), PLCs, and PAC (programmable automation controllers) systems by enabling analog or digital, input or output functionality at the same port. Historically, programmable logic controller (PLC) systems have fixed function IO cards (analog input, analog output, digital input, digital output) with challenges in wired marshalling cabinets, longer deployment and installation schedules, and inflexibility for future field updates. Circuit configurations are shown for common industrial Analog modes. The document features the device's input/ components that may be used in analog input and output configuration. This application note describes MAX22000's internal building blocks which enable the configuration of Analog IO functions.
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