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±35kV High-ESD PROFIBUS RS-485 Transceiver

Industry's Highest ESD-Protected PROFIBUS-DP Transceiver

Product Details

Key Features

Applications/Uses

Parametric specs for RS-485/RS-422 Line Driver/Receivers
# Tx/Rx 1Tx + 1Rx
Duplex Half
VSUPPLY (V) 5
Data Rate (kbps) (min) 20000
ICC (mA) (typ) 2.5
ESD Protect. (±kV) 35
Tx EN Yes
Rx EN Yes
ICC (Shutdn.) (µA) (typ) 15
Oper. Temp. (°C) -40 to +125
Package/Pins SOIC (N)/8
TDFN/8
UMAX/8
Budgetary
Price (See Notes)
1.84
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Simplified Block Diagram

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Parameters

Parametric specs for RS-485/RS-422 Line Driver/Receivers
# Tx/Rx 1Tx + 1Rx
Duplex Half
VSUPPLY (V) 5
Data Rate (kbps) (min) 20000
ICC (mA) (typ) 2.5
ESD Protect. (±kV) 35
Tx EN Yes
Rx EN Yes
ICC (Shutdn.) (µA) (typ) 15
Oper. Temp. (°C) -40 to +125
Package/Pins SOIC (N)/8
TDFN/8
UMAX/8
Budgetary
Price (See Notes)
1.84

Key Features

  • 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

Applications/Uses

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

Description

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.

Simplified Block Diagram

MAX14770E: Functional Diagram MAX14770E: Functional Diagram Zoom icon

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .