See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

D | 8

Temp:

M (-55 to 125)

ECO Plan:

TBD

XISO1211D


Isolated 24-V Digital Input Receivers for Digital Input Modules

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10 - 24 $ 1.92
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100 - 249 $ 1.54
250 - 499 $ 1.39
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1000 - 5000 $ 0.78

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Texas Instruments XISO1211D

The ISO1211 and ISO1212 are isolated 24-V digital input receivers, compliant to IEC 61131-2 Type 1, 2, and 3 characteristics, suitable for programmable logic controllers (PLCs) and motor-control digital input modules. Unlike traditional optocoupler solutions with discrete, imprecise current limiting circuitry, the ISO121x devices provide a simple, low-power solution with an accurate current limit to enable the design of compact and high-density I/O modules. These devices do not require field-side power supply and are compatible with high-side or low-side switches.

The ISO121x devices operate over the supply range of 2.25 V to 5.5 V, supporting 2.5-V, 3.3-V, and 5-V controllers. A ±60-V input tolerance with reverse polarity protection helps ensure the input pins are protected in case of faults with negligible reverse current. These devices support up to 4-Mbps data rates passing a minimum pulse width of 150 ns for high-speed operation. The ISO1211 device is ideal for designs that require channel-to-channel isolation and the ISO1212 device is ideal for multichannel space-constrained designs.

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