AM26LV32EIPWR

FEATURES

• Meets or Exceeds Standard TIA/EIA-422-B and ITU Recommendation V.11

• Operates From a Single 3.3-V Power Supply

• ESD Protection for RS422 Bus Pins

– ±15-kV Human-Body Model (HBM)

– ±8-kV IEC61000-4-2, Contact Discharge

– ±15-kV IEC61000-4-2, Air-Gap Discharge

• Switching Rates up to 32 MHz

• Low Power Dissipation: 27 mW Typ

• Open-Circuit, Short-Circuit, and Terminated

Fail-Safe

• ±7-V Common-Mode Input Voltage Range With ±200-mV Sensitivity

• Accepts 5-V Logic Inputs With 3.3-V Supply (Enable Inputs)

• Input Hysteresis: 35 mV Typ

• Pin-to-Pin Compatible With AM26C32, AM26LS32

• Ioff Supports Partial-Power-Down Mode Operation

• Package Options: SOP, SOIC, TSSOP, QFN

DESCRIPTION/ORDERING INFORMATION

The AM26LV32E consists of quadruple differential line receivers with 3-state outputs. These differential receivers have ±15-kV ESD (HBM and IEC61000-4-2, Air-Gap Discharge) and ±8-kV ESD (IEC61000-4-2, Contact Discharge) protection for RS422 bus pins.

This device is designed to meet TIA/EIA-422-B and ITU recommendation V.11 drivers with reduced supply voltage. The device is optimized for balanced bus transmission at switching rates up to 32 MHz. The 3-state outputs permit connection directly to a bus-organized system.

The AM26LV32E has an internal fail-safe circuitry that prevents the device from putting an unknown voltage signal at the receiver outputs. In the open fail-safe, shorted fail-safe, and terminated fail-safe, a high state is produced at the respective output.

This device is supported for partial-power-down applications using Ioff. Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

The AM26LV32EI is characterized for operation from –40°C to 85°C.

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