ISO1I813TXUMA1 Isolators

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1. Description

The ISO1I813TXUMA1 is an electrically isolated 8 bit data input interface in TSSOP-48 package. This part is used to detect the signal states of eight independent input lines according to IEC61131-2 Type 1/2/3 (e.g. two-wire proximity switches) with a common ground (GNDFI). For operating sensors of type 1/2/3 in accordance with IEC61131-2, it is necessary for the device to be wired with resistors RV and REXT (it is recommended to use resistors with an accuracy of 2%, in any case < 5% - is mandatory, temperature-coefficients < 200ppm are allowed). An 8 bit parallel µC compatible interface allows to connect the IC directly to a µC system. The input interface is designed to operate with 3.3/5V CMOS compatible levels. The data transfer from input to output side is realized by the integrated Coreless Transformer Technology.

2. Features

    1. Complete system integration (digital sensor or switch input, galvanic isolation and intelligent micro-controller or bus-ASIC interface)

    2. 8-channel input according to IEC61131-2 (Type 1/2/3)

    3. Integrated galvanic isolation 500VAC (EN60664-1, UL1577)

    4. 3.3V/5V SPI and parallel micro-controller interface

    5. Adjustable deglitching filters

    6. Up to 500 kHz sampling frequency

    7. Wire-break detection

    8. VBB under-voltage detection

    9. Package: TSSOP-48, 8 mm x 12.5 mm

3. Application

    1. Programmable Logic Controllers(PLC)

    2. Industrial PC

    3. General Control Equipment

4. Product Highlights

    1. Minimization of power dissipation due to constant current characteristic

    2. Status LED output for each input

    3. Digital averaging of the input signals to suppress interference pulses

    4. Isolation between Input and Output using Coreless Transformer Technology