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Protected digital input termination with serialized state transfer

Quantity $ per Unit Savings
1 - 9$6.430%
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25 - 99$5.4515%
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In stock
Parameter NameParameter Value
Input Voltage Min Volt-0.3
Input Voltage Max Volt30.0
Packing TypeTube
RoHs compliantEcopack2
Package NameTSSOP-38L

The SCLT3 series provides an 8-line protected digital input termination with serialized state transfer.

This device enhances the I/O module density by cutting the dissipation (78 mW per input) and reducing the count of opto-transistors.

An adjustable digital filter and an LED driver are embedded in each type 3 input section. Its 2 MHz SPI peripheral output serializes the input state transfer to the I/O module controller.

Key features
  • 8 inputs - 8-bit SPI output
  • High side input with common ground
  • 5 V voltage regulator
  • Package: QFN 7x7 - 48L or HTSSOP-38
  • 35 V reverse polarity capable
  • Adjustable current limiters
  • LED output for visual status
  • Optional: 16-bit mode with parity check, temperature and voltage alarms
  • Daisy chain capable
  • Input digital filter with adjustable delay: 20 µs to 3 ms
  • Power dissipation: 78 mW per channel
  • Complies with the following standards:
    • IEC 61000-4-2: ±8 kV (contact discharge) ±15 kV (air discharge)
    • IEC 61000-4-4: Input: ±1 kV Power supply: ±2.5 kV