±35kV High-ESD PROFIBUS RS-485 Transceiver

The MAX14770E is a half-duplex, ±35kV high ESD-protected, 20Mbps transceiver for PROFIBUS-DP and RS-485 applications. In addition, it can be used for RS-422/V.11 communications. The MAX14770E is designed to meet IEC 61158-2, TIA/EIA-422-B, TIA/EIA-485-A, V.11, and X.27 standards.

The MAX14770E is available in an 8-pin SO and an 8-pin µMAX® specified over the extended temperature range. It is also available in a tiny TDFN (3mm x 3mm) package and specified over the automotive (-40°C to +125°C) temperature range. Applications

* Industrial Fieldbuses * Machine Encoders * Motion Controllers * PROFIBUS-DP Networks * RS-485 Networks

* Integrated Protection Increases Robustness

* ±35kV HBM ESD per JEDEC JS-001-2012

* ±12kV Contact ESD per IEC 61000-4-2

* ±15kV Air Gap ESD per IEC 61000-4-2

* True Fail-Safe Receiver Prevents False Transitions on Receiver Input Short or Open

* Hot Swap Eliminates False Transitions During Power-Up or Hot Insertion

* Short-Circuit-Protected Outputs

* Thermal Shutdown Circuitry Prevents Excessive Power Dissipation

* Low Current Reduces Power Consumption

* 15µA Shutdown Current

* 2.5mA Supply Current Typical with No Load

* Profibus Compliant with Minimum 20Mbps Data Rate

* Allows Up to 128 Transceivers on the Bus

* -40°C to +125°C Automotive Temperature Range in Tiny 8-Pin (3mm x 3mm) TDFN