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Interface Transceivers MAX488
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MAX488

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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers

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Product Details

See parametric specs for RS-485/RS-422 Line Driver/Receivers

Key Features

Applications/Uses

See parametric specs for RS-485/RS-422 Line Driver/Receivers
Parametric specs for RS-485/RS-422 Line Driver/Receivers
# Tx/Rx 1Tx + 1Rx
Duplex Full
VSUPPLY (V) 5
Data Rate (kbps) (min) 250
ICC (mA) (typ) 0.12
Tx EN No
Rx EN No
Oper. Temp. (°C) -55 to +125
-40 to +85
0 to +70
Package/Pins CDIP/8
PDIP/8
SOIC (N)/8
UMAX/8
Budgetary
Price (See Notes) 		1.62
See parametric specs for RS-485/RS-422 Line Driver/Receivers
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Simplified Block Diagram

Technical Docs

Data Sheet Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers Oct 18, 2017
App Note Maxim Leads the Way in ESD Protection
App Note ESD Protection for I/O Ports
App Note FAQs about Interface, RS-232, and RS-485 Circuits
Tutorial Oops...Practical ESD Protection vs. Foolhardy Placebos
Tutorial Reduce the Chances of Human Error: Part 2, Super Amps and Filters for Analog Interface

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 .

Parameters

Parametric specs for RS-485/RS-422 Line Driver/Receivers
# Tx/Rx 1Tx + 1Rx
Duplex Full
VSUPPLY (V) 5
Data Rate (kbps) (min) 250
ICC (mA) (typ) 0.12
Tx EN No
Rx EN No
Oper. Temp. (°C) -55 to +125
-40 to +85
0 to +70
Package/Pins CDIP/8
PDIP/8
SOIC (N)/8
UMAX/8
Budgetary
Price (See Notes) 		1.62
See parametric specs for RS-485/RS-422 Line Driver/Receivers

Key Features

  • Low Power Consumption Minimizes Thermal Dissipation, Reducing System Cost
    • 120µA to 500µA Quiescent Current
    • Shutdown Current of 0.1µA
    • Single 5V Supply Voltage
  • Slew-Rate-Limited Drivers (MAX483/MAX487/MAX488 and MAX489)
    • Up to 250kbps Data Rate
    • Unlimited Drivers: Up to 2.5Mbps Data Rate
  • Integrated Protection Enhances System Robustness
    • Short Circuit Current Limited Driver
    • Integrated Thermal Shutdown
    • Receiver Fail-Safe for Input Open Circuit
    • Guarantees Logic High
  • 1/4 Unit Loading (MAX487/ MAX1487 only) Allows Up to 128 Devices on a Single Bus
    • 48kΩ Receiver Input Resistance

Applications/Uses

  • Industrial-Control Local Area Networks
  • Level Translators
  • Low-Power RS-422 Transceivers
  • Low-Power RS-485 Transceivers
  • Transceivers for EMI-Sensitive Applications

Description

The MAX481, MAX483, MAX485, MAX487–MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. Each part contains one driver and one receiver.

Simplified Block Diagram

MAX1487, MAX481, MAX483, MAX485, MAX487, MAX488, MAX489, MAX490, MAX491: Pin Configuration and Typical Operating Circuit MAX1487, MAX481, MAX483, MAX485, MAX487, MAX488, MAX489, MAX490, MAX491: Pin Configuration and Typical Operating Circuit Zoom icon

Technical Docs

Data Sheet Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers Oct 18, 2017
App Note Maxim Leads the Way in ESD Protection
App Note ESD Protection for I/O Ports
App Note FAQs about Interface, RS-232, and RS-485 Circuits
Tutorial Oops...Practical ESD Protection vs. Foolhardy Placebos
Tutorial Reduce the Chances of Human Error: Part 2, Super Amps and Filters for Analog Interface

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 .