New Product Introduction

Maxim MAX22190 octal industrial digital input with diagnostics

The MAX22190 is an IEC 61131-2 compliant industrial digital input device

Maxim MAX22190 product diagram

The MAX22190 is an IEC 61131-2 compliant Industrial Digital Input device. MAX22190 translates eight, 24V current-sinking, industrial inputs to a serialized SPI-compatible output that interfaces with 3V to 5.5V logic. A current setting resistor allows the MAX22190 to be configured for Type 1, Type 2, or Type 3 inputs. Field wiring is verified for proximity switches, by a second threshold detector on each input. When wire-break is enabled, the FAULT output is asserted and a register flag set if the input current drops below the wire-break threshold for more than 20ms.


Key features

  • High Integration Reduces BOM Count and Board Space
  • Reduced Power and Heat Dissipation
  • Fault Tolerant with Built-In Diagnostics
  • Serialized SPI-compatible output

 

Additional features

  • High Integration Reduces BOM Count and Board Space
  • Eight Input Channels with Serializer
  • Operates Directly From Field Supply (7V to 65V)
  • Compatible with 3.3V or 5V Logic
  • 5mm x 5mm TQFN Package
  • Reduced Power and Heat Dissipation
  • Accurate Input-Current Limiters
  • Energyless Field-Side LED Drivers
  • Fault Tolerant with Built-In Diagnostics
  • Input Protection to ±40V with Low-Input Leakage Current
  • Wire Break Detection
  • Integrated Field-Supply Voltage Monitors
  • Integrated Overtemperature Monitor
  • 5-Bit CRC Code Generation and Transmission for Error Detection
  •  
  • Configurability Enables Wide Range of Applications
  • Configurable IEC 61131-2 Type 1, 2, 3 Inputs
  • Configurable Input Current-Limiting from 0.5mA to 3.4mA
  • Selectable Input Debounce Filtering
  • Robust Design
  • ±8kV Contact ESD and ±15kV Air Gap ESD Using Minimum 1kΩ Resistor
  • ±1kV Surge Tolerant Using Minimum 1kΩ Resistor
  • -40°C to +125°C Ambient Operating Temperature

 

Applications

  • Factory Automation

Maxim MAX22190 octal industrial digital input | EBV Elektronik

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