CLT01-38S4 STMICROELECTRONICS | Alldatasheet

Document overview

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Technical content

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 k  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  V CC = -0.3 to +35 V with RC = 2.2 k  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  Electrostatic discharge, IEC 61000-4-2: – ±8 kV contact discharge – ±15 kV air discharge  Electrical transient immunity IEC 61000-4-4(a): –F SCK = 6.25 MHz, ±3 kV –F SCK = 10 kHz, ±4 kV  Voltage surge IEC 61000-4-5 – Input: ±15 kV – Power supply: ±2.5 kV

Applications

 Programmable logic controller and decentralized input modules  High speed protected termination for digital input with serialized SPI output  IEC 61131-2 type 1, 2 and 3. CLT01-38S4 HTSSOP-38 a. With 470 pF grounded on CS and 100 pF grounded on CLK

1 Description

savings, the whole series allows each customer to find the right solution. maximum input data rate is 400 kbps while the output SPI speed is 6.25 MHz. compliant with surge standards defined in IEC 61000-4-x. current and type 2 using two inputs per sensor with the correct RREF.

2 Characteristics

2.1 Simplified block diagram

Figure 1. Simplified block diagram

2.2 Basic application diagram

Figure 2. Basic application diagram

2.3 Input I/O pin descriptions

Figure 3. Pinout description of the HTSSOP-38 version (top view)

Table 1. Pin-out name and description

3 Package information

specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Figure 4. HTSSOP-38 dimension definitions

Figure 5. footprint (dimensions in mm) Table 2. HTSSOP-38 dimension values

4 Ordering information

Figure 6. Ordering information scheme

5 Revision history

Table 3. Ordering information Table 4. Revision history