ADM4168E

PRODUCTION

±15 kV ESD Protected Dual RS-422 Transceiver

Analog Devices ADM4168E Product Info

10 February 2026 7

Features

Dual RS-422 transceiver for ESD protection on bus input/output pins
- ±15 kV HBM
- ±8 kV IEC 61000-4-2, contact discharge
- ±8 kV IEC 61000-4-2, air discharge
Complies with TIA/EIA-422-B and ITU-T recommendation V.11
Open circuit fail-safe

Suitable for 5 V power supply applications
Low supply current operation: 9 mA maximum
Low driver output skew
Receiver line input resistance: 30 kΩ typical
Receiver common-mode range: −7 V to +7 V
Power-up/power-down without glitches
16-lead TSSOP package
Operating temperature range: −40°C to +85°C

Part details & applications

The ADM4168E is a dual RS-422 transceiver suitable for high speed communication on point to point and multidrop transmission lines. The ADM4168E is designed for balanced transmission lines and complies with TIA/EIA-422-B.

The differential driver outputs and receiver inputs feature electrostatic discharge (ESD) circuitry that provides protection up to ±15 kV human body model (HBM) and ±8 kV IEC 61000-4-2 (contact and air discharge).

The ADM4168E operates from a single 5 V power supply. Excessive power dissipation caused by bus contention or output shorting is prevented by short-circuit protection circuitry. Short-circuit protection circuits limit the maximum output current to −150 mA during fault conditions.

The receivers of the ADM4168E contain a fail-safe feature that results in a logic high output state if the inputs are unconnected (floating).

The ADM4168E is fully specified over the commercial and industrial temperature ranges and is available in a 16-lead TSSOP package.

Applications

RS-422 interfaces
High data rate motor control
Single-ended to differential signal conversion
Point to point and multidrop transmission systems

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