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MAX22027AWA+T

RS-422/RS-485 Interface IC Compact, Isolated Half-Duplex RS-485/RS-422 Transceivers with Auto-Direction

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

MAX22027AWA+T
Datasheet:

MAX22027AWA+T Datasheet (PDF)
Factory Pack Quantity:

2000

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

MAX22027AWA+T General Description

The MAX22025–MAX22028/MAX22025F–MAX22028F compact isolated RS-485/RS-422 transceivers provide 3.5kV_RMS of digital galvanicisolation between the cable-side (RS-485/RS-422 driver/receiver-side) and the UART-side of the device. Isolationimproves communication by breaking ground loops andreduces noise when there are large differences in groundpotential between ports. These devices allow for robustcommunication up to 0.5Mbps or 16Mbps.

Key Features

High-Level Integration Reduces Overall Solution Size
- Fully Isolated Half-Duplex RS-485/RS-422 Transceivers
- Compact 8-Pin Wide Body SOIC Package (5.5mm Creepage)
Integrated Protection Ensures Robust Communication
- ±10kV ESD (HBM) on Driver Outputs/Receiver Inputs
- Failsafe Receiver Prevents Fault Transition on Receiver Input Short or Open Events (MAX22025F–MAX22028F)
- Withstands 3.5kV_RMS Isolation Voltage for 60 Seconds (V_ISO)
- Withstands 630V_PEAK Maximum Repetitive Peak- Isolation Voltage (V_IORM)
- Continuously Withstands 445V_RMS Maximum Working-Isolation Voltage (V_IOWM)
Enables Flexible System Design
- 0.5Mbps Maximum Data Rate with Slew-Rate Limited Driver (MAX22025/MAX22027/MAX22025F/MAX22027F)
- 16Mbps Maximum Data Rate ((MAX22026/MAX22028/MAX22026F/MAX22028F)
- AutoDirection Eliminates the Need for DE and Active-Low RE Control Signals