ISO121x Isolated 24-V to 60-V Digital Input Receivers for Digital Input Modules

1 Features

• Compliant to IEC 61131-2; Type 1, 2, 3 characteristics for 24-V isolated digital inputs
• Supports 9-V to 300-V DC and AC digital input designs using external resistors
• Accurate Current Limit for Low-Power Dissipation:
  • 2.2 mA to 2.47 mA for Type 3
  • Adjustable up to 6.5 mA
• Eliminates the need for field-side power supply
• High input-voltage range with reverse polarity protection: ±60 V
• Wire-break detection (refer to TIDA-01509)
• Configurable as sourcing or sinking input
• High data rates: up to 4 Mbps
• Enable pin to multiplex output signals
• High transient immunity: ±70-kV/µs CMTI
• Wide supply range (V_CC1): 2.25 V to 5.5 V
• Ambient temperature range: –40°C to +125°C
• Compact package options:
  • Single-channel ISO1211, SOIC-8
  • Dual-channel ISO1212, SSOP-16
• Safety-Related Certifications:
  • Basic insulation per DIN VDE V 0884-11
  • UL 1577 recognition, 2500-V_RMS insulation
  • IEC 60950-1, IEC 62368-1, IEC 61010-1 and GB 4943.1-2011 certifications