Key facts
- Brand
- Maxim
- Model
- MAX485
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-06-01
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MAXIM MAX481/MAX483/MAX485/MAX487 MAX491/MAX1487 Manual
The Maxim MAX481‑MAX491 and MAX1487 families are low‑power, slew‑rate‑limited RS‑485/RS‑422 transceivers. Each device integrates a driver and a receiver, supporting half‑duplex (MAX481, MAX483, MAX485, MAX487, MAX1487) or full‑duplex (MAX488‑MAX491) operation. Features include low‑current shutdown, fault‑tolerant driver designs and optional 1/4‑unit‑load receiver inputs for high‑density bus applications.
The document provides absolute maximum ratings, DC electrical characteristics, switching timing, pin descriptions, and package dimensions for DIP, SO and QFN variants. Typical operating curves illustrate output voltage, current consumption and temperature effects, while the selection table lists data‑rate, slew‑rate and power‑shutdown options for each part number.
Maxim MAX485 specifications
| Maximum Data Rate | 2.5 Mbps |
|---|---|
| Supply Voltage (VCC) | 5 V (typical) |
| Shutdown Supply Current (ISHDN) | 0.1 µA – 10 µA |
Source: MAXIM MAX481/MAX483/MAX485/MAX487 MAX491/MAX1487 Manual
All Maxim MAX485 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the maximum data rate for the MAX481 transceiver?
The MAX481 can transmit at up to 2.5 Mbps.
From: MAXIM MAX481/MAX483/MAX485/MAX487 MAX491/MAX1487 Manual
Are the drivers protected against short‑circuit conditions?
Yes, driver outputs are current‑limited and protected by thermal shutdown circuitry.
From: MAXIM MAX481/MAX483/MAX485/MAX487 MAX491/MAX1487 Manual
What is the maximum data rate of the MAX485?
The MAX485 operates at up to 2.5 Mbps in half‑duplex mode.
From: maxim MAX481/MAX483/MAX485/MAX487 MAX491/MAX1487 Manual(1)
What is the maximum data rate for the MAX481 series?
The MAX481 series can transmit at data rates up to 2.5 Mbps.
From: Maxim MAX481/MAX483/MAX485/MAX487/MAX491/MAX1487 RS-485/RS-422 Transceiver Datasheet
How many transceivers can be connected on a bus using MAX487?
Up to 128 MAX487 transceivers can be placed on a single bus.
From: Maxim MAX481/MAX483/MAX485/MAX487/MAX491/MAX1487 RS-485/RS-422 Transceiver Datasheet