MAXM22511
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MAXM22511

2.5kVRMS Complete Isolated RS-485/RS-422 Module Transceiver + Power

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2.5kVRMS Complete Isolated RS-485/RS-422 Module Transceiver with Integrated Isolated Power

Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 2
1ku List Price Starting From $9.64
Features
  • Space Saving Solution
    • Fully Integrated Module for Compact Design
  • High-Performance Transceiver Enables Flexible Designs
    • Integrated DC-DC for Cable-Side Power
    • Compliant with RS-485 EIA/TIA-485 Standard
    • 500kbps Maximum Data Rate for the MAXM22510
    • 25Mbps Maximum Data Rate for the MAXM22511
    • Allows Up to 128 Devices on the Bus
  • Integrated Protection Ensures for Robust Communication
    • ±35kV ESD (HBM) on Driver Outputs/Receiver Inputs
    • 2.5kVRMS Withstand Isolation Voltage for 60 Seconds (VISO)
    • 630VPEAK Maximum Repetitive Peak-Isolation Voltage (VIORM)
    • 445VRMS Maximum Working-Isolation Voltage (VIOWM)
    • Withstands ±10kV Surge per IEC 61000-4-5
    • Thermal Shutdown
Additional Details
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The MAXM22510 and MAXM22511 isolated RS-485/RS-422, full-duplex, transceiver modules provide 2500VRMS (60s) of galvanic isolation between the cableside (RS-485/RS-422 driver/receiver side) and the UART-side of the device. An integrated DC-DC powers the cable-side of the module. No external components are required.

Isolation improves communication by breaking ground loops and reduces noise when there are large differences in ground potential between ports. These devices allow for robust communication up to 500kbps (MAXM22510) and 25Mbps (MAXM22511).

The MAXM22510/MAXM22511 operate from a single 3.3V supply on the UART-side. An integrated DC-DC converter generates the 3.3V operating voltage for the cable-side of the module.

The devices include one drive channel and one receive channel. The receiver is 1/4-unit load, allowing up to 128 transceivers on a common bus.

Integrated true fail-safe circuitry ensures a logic-high on the receiver output when inputs are shorted or open. Undervoltage lockout disables the driver when cable-side or UART-side power supplies are below functional levels.

The driver outputs and receiver inputs are protected from ±35kV electrostatic discharge (ESD) to GNDB on the cable-side, as specified by the Human Body Model (HBM).

The MAXM22510/MAXM22511 are available in an LGA 44-pin package and operate over the -40°C to +105°C temperature range.

Applications

  • Building Automation
  • HVAC
  • Industrial Automation
  • Power Meters
  • Programmable Logic Controllers
Part Models 2
1ku List Price Starting From $9.64

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAXM22511GLH+
  • HTML
  • HTML
MAXM22511GLH+T
  • HTML
  • HTML
Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 2

MAXM22510EVKIT

Evaluation Kit for the MAXM22510/MAXM22511

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MAXM22510EVKIT

Evaluation Kit for the MAXM22510/MAXM22511

Evaluation Kit for the MAXM22510/MAXM22511

Features and Benefits

  • Operates From a Single 3.3V Supply
  • Terminal Block Connectors for Easy RS-485/RS-422 Evaluation
  • Up to 2500VRMS Isolation for 60s
  • Fully Assembled and Tested

Product Detail

The MAXM22510/MAXM22511 evaluation kit (EV kit) is a fully assembled and tested PCB that demonstrates the functionality of the MAXM22510/MAXM22511 isolated RS-485/RS-422 transceiver module. The EV kit operates from a single 3.3V supply.

Applications

  • Building Automation
  • HVAC
  • Industrial Automation
  • Power Meters
  • Programmable Logic Controllers

MAXM22511EVKIT

Evaluation Kit for the MAXM22510/MAXM22511

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MAXM22511EVKIT

Evaluation Kit for the MAXM22510/MAXM22511

Evaluation Kit for the MAXM22510/MAXM22511

Features and Benefits

  • Operates From a Single 3.3V Supply
  • Terminal Block Connectors for Easy RS-485/RS-422 Evaluation
  • Up to 2500VRMS Isolation for 60s
  • Fully Assembled and Tested

Product Detail

The MAXM22510/MAXM22511 evaluation kit (EV kit) is a fully assembled and tested PCB that demonstrates the functionality of the MAXM22510/MAXM22511 isolated RS-485/RS-422 transceiver module. The EV kit operates from a single 3.3V supply.

Applications

  • Building Automation
  • HVAC
  • Industrial Automation
  • Power Meters
  • Programmable Logic Controllers
Tools & Simulations

Tools & Simulations 1

Reference Designs

Reference Designs 1

fig03

Go-IO Industrial IoT Reference Design

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MAXREFDES212

Go-IO Industrial IoT Reference Design

Go-IO Industrial IoT Reference Design

Features and Benefits

  • Universal IO (UAIO), ±12.5V or ±25mA
  • 8 Digital Inputs, IEC 61131-2 compliant Types 1/3
  • 4 Digital Outputs, up to 1A with Safe Demag
  • IO-Link® Master, four ports, version 1.1 compliant
  • TMG IO-Link Master Stack
  • One RS-485 COM port, full duplex to 25Mbps data rate
  • Robust interfaces with integrated protection for ESD and surge

View Detailed Reference Design external link

Design & Integration Tools

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