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CLT01-38S4-TR

CLT01-38S4-TR

CLT01-38S4

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High speed protected digital termination array

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1 - 500$4.450%
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$4.45
Parameter NameParameter Value
Input Voltage Min Volt-30.0
Input Voltage Max Volt35.0
ECCN USEAR99
ECCN EUNEC
Packing TypeTube
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameTSSOP-38L

CLT01-38S4 adds to the existing current limiter family. Still focusing on power consumption savings, the whole series allows each customer to find the right solution.


The CLT01-38S4 is an octal input termination device with a high speed SPI output. Its maximum input data rate is 400 kbps while the output SPI speed is 6.25 MHz.


As in previous versions, robustness is a key feature of CLT01-38S4. The product is compliant with surge standards defined in IEC 61000-4-x.


It can run all types of sensor according to IEC 61131-2. Type 1 and 3 with a 2.35 mA limited current and type 2 using two inputs per sensor with the correct RREF.

Key features
  • 8-input circuit in common ground low side topology
  • Wide range input DC voltage VI: -30 V to 35 V
  • On state threshold: < 11 V with RI= 2.2 kΩ
  • Off state threshold: Iin> 1.5 mA or Vi> 5 V
  • Protected against -30 V reverse polarity
  • Typical ILIM= 2.1 to 2.6 mA adjustable current limiters
  • Tight current tolerance including temperature compensation: ±10%
  • Serial output with an SPI communication bus
  • Clock frequency up to 6.25 MHz
  • CPHA = CPOL = 0 bus master operation
  • Multi CLT operation in daisy chain connection
  • 16-bit mode: 8 bits for data / 8 bits for control
    • Minimum capture time: 4 μs
    • Input data rate: 200 kbps/100 kHz
    • Minimum propagation transfer time: 7 μs
  • 8-bit mode: 8 bits for data
    • Minimum capture time: 2.5 μs
    • Input data rate: 400 kbps/200 kHz
    • Minimum propagation transfer time: 4 μs
  • VCC = -0.3 to +35 V with RC = 2.2 kΩ
  • Ambient temperature range: -25 to +85°C
  • Digital inputs for programmable logic controller and decentralized I/O modules
  • Benefits
    • Enables input to meet type 1, 2 and 3 characteristics of IEC 61131-2 standard
    • Compatible operation with 2 wires proximity sensor according EN 60947-5-2 standard
    • Compact board with surface mount integration and reduced count of isolated couplers
    • Reduces the count of input-output of the bus controller circuit
    • Provides energy-less input LED visual status
    • Enhanced functional reliability
    • Built-in over voltage robustness and immune data transfer
    • Reduced dissipation: 78 mW max. per channel
  • Complies with following standards (RI= 2.2 Ω, RC= 2.2 Ω, C = 33 nF):
    • Electrostatic discharge, IEC 61000-4-2:
      • ±8 kV contact discharge
      • ±15 kV air discharge
    • Electri