MAX22501E

PRODUCTION

100Mbps Half-Duplex RS-485/RS-422 Transceivers for Long Cables

Industry's Fastest RS-485 Transceivers with Preemphasis Improve Robust Communications with Longer Cables

Data Sheet (Rev. 3) Product Selection Table
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Overview

  • High-Speed Operation Over Long Distances
    • Up to 100Mbps Data Rate
    • Integrated Preemphasis Extends Cable Length (MAX22500E)
    • High Receiver Sensitivity
    • Wide Receiver Bandwidth
    • Symmetrical Receiver Thresholds
  • Integrated Protection Increases Robustness
    • -15V to +15V Common Mode Range
    • ±15kV ESD Protection (Human Body Model)
    • ±7kV IEC 61000-4-2 Air-Gap ESD Protection
    • ±6kV IEC 61000-4-2 Contact Discharge ESD Protection
    • Withstands up to ±4kV EFT
    • Driver Outputs are Short-Circuit Protected
  • Flexibility for Many Different Applications
    • 3V to 5.5V Supply Range
    • Low Voltage Logic Supply Down to 1.6V (MAX22500E)
    • Low 5µA (max) Shutdown Current
    • Available in 8-pin or 10-pin TDFN Package and an 8-pin µMAX Package
    • -40°C to +125°C Operating Temperature Range

The MAX22500E/MAX22501E half-duplex ESD-protected RS-485/RS-422 transceivers are optimized for high-speed (up to 100Mbps) communication over long cables.These transceivers feature integrated hot-swap protection and a fail-safe receiver, ensuring a logic-high on the receiver output when input signals are shorted or open for longer than 10µs (typ).

The MAX22500E features integrated preemphasis circuitry that extends the distance and increases the data rate of reliable communication by reducing inter-symbol interference(ISI) caused by long cables. The MAX22500E features a flexible logic interface down to 1.6V.

The MAX22501E operates without preemphasis and is powered from a 3V to 5.5V supply.

The MAX22500E is available in a 10-pin TDFN-EP package. The MAX22501E is available in a 8-pin TDFN-EP package and an 8-pin µMAX package. Both transceivers operate over the -40°C to +125°C ambient temperature range.

Also see the MAX22502E Full-Duplex RS-485/RS-422 Transceiver ›

Design Solution: RS-485: Overcome the Speed vs. Distance Challenge ›

Applications

  • Backplane Busses
  • Encoder Interfaces
  • Field Bus Networks
  • Industrial Control Systems
  • Motion Control
MAX22501E
100Mbps Half-Duplex RS-485/RS-422 Transceivers for Long Cables
MAX22500E, MAX22501E: Simplified Block Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Design Note 1

Technical Articles 2

Evaluation Design File 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Interface Transceivers & Isolators 3
MAX3292
PRODUCTION RS-485/RS-422 Transceivers with Preemphasis for High-Speed, Long-Distance Communication
MAX22502E
PRODUCTION 100Mbps Full-Duplex RS-485/RS-422 Transceiver for Long Cables
MAX22500E
PRODUCTION 100Mbps Half-Duplex RS-485/RS-422 Transceivers for Long Cables
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Tools & Simulations

IBIS Model 1

Evaluation Kits

MAX22501EEVKIT

Evaluation Kit for the MAX22501E

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Features and Benefits

  • Operates From a Single 3V to 5V Supply
  • Terminal Block and RJ45 Connectors for Easy RS-485/RS-422 Evaluation
  • Fully Assembled and Tested

Product Details

The MAX22501E evaluation kit (EV kit) is a fully assembled and tested PCB that demonstrates the functionality of the MAX22501E half-duplex, high speed RS-485/RS-422 transceiver. The EV kit operates from a single 3V to 5V supply and includes selectable on-board termination.

Applications

  • Backplane Busses
  • Encoder Interfaces
  • Field Bus Networks
  • Industrial Control Systems
  • Motion Control

MAX22500EEVKIT

Evaluation Kit for the MAX22500E

Buy Now View Details

Features and Benefits

  • Operates From a Single 5V Supply
  • Terminal Block and RJ45 Connectors for Easy RS-485/RS-422 Evaluation
  • On-board Selectable Preemphasis Setting
  • Fully Assembled and Tested

Product Details

The MAX22500E evaluation kit (EV kit) is a fully assembled and tested PCB that demonstrates the functionality of the MAX22500E half-duplex high speed RS-485/RS-422 transceiver with preemphasis functionality. The EV kit operates from a single 5V supply and includes on-board termination.

Applications

  • Backplane Busses
  • Encoder Interfaces
  • Field Bus Networks
  • Industrial Control Systems
  • Motion Control
MAX22501EEVKIT
Evaluation Kit for the MAX22501E
MAX22500EEVKIT
Evaluation Kit for the MAX22500E

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