描述 Description

The CLT01 series is an octal industrial digital input IC, which drastically reduces the power dissipation of the digital input modules. Its current-sinking inputs can be configured for type 1, type 2, or type 3 inputs as per IEC 61131-2 with few external components.

The CLT01 series includes a serial interface, which translates, conditions, and serializes the data to CMOS-compatible signals through SPI. Combining its daisy-chaining capability with its accurate current limitation, the CLT01 series enhances the I/O module’s density by cutting the power dissipation and reducing the number of optocouplers.

The CLT01 series can be evaluated thanks to the STEVAL-IFP031V1 evaluation board. For detailed application guidelines, refer to the AN4625.

特性 Features

? Eight current-sinking digital inputs with serializer
? Enables inputs to meet type 1, 2 and 3 characteristic of IEC 61131-2 standard
? Adjustable and accurate input current limitation for low power and heat dissipation:
?2.35 mA typ for Type 1 and Type 3
? 35 V reverse polarity capable
? SPI-Compatible Serial Interface 8-bit
?Optional 16-bit mode with parity check, and diagnostics (temperature alarm, voltage alarms)
? Daisy-Chain SPI to reduce isolation channels
? 5 V voltage regulator
? Energyless Field-Side LED drivers for visual status indication
? Operating ambient temperature range from -40 °C to 105 °C
? Packages
?HTSSOP-38 – 500 μm pitch
?QFN-48L – 500 μm pitch
? Complies with the following standards:
?IEC 61000-4-2 level 4: ±15 kV (air discharge)
?IEC 61000-4-2 level 4: ±8 kV (contact discharge)
?IEC 61000-4-5 Surge ±1 kV /42 Ω with minimum 1 kΩ pulse resistor at field inputs

簡介

CLT01-38SQ7屬于電路保護(hù)的TVS-混合技術(shù)。由制造生產(chǎn)的CLT01-38SQ7TVS - 混合技術(shù)混合技術(shù) TVS（瞬態(tài)電壓抑制器）產(chǎn)品族中的產(chǎn)品屬于過壓保護(hù)產(chǎn)品，其中結(jié)合了基于多種技術(shù)的保護(hù)機(jī)制，例如串聯(lián)連接的 MOV（金屬氧化物壓敏電阻）和 GDT（氣體放電管），旨在同時(shí)獲得低漏電流和自恢復(fù)箝位工作特性。