Key facts
- Brand
- STMicroelectronics
- Model
- ST485E
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2012-08-08
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ST ST485EB ST485EC ST485EX handbook
The ST485EB, ST485EC, and ST485EX are low power transceivers designed for RS-485 and RS-422 communication applications. Each device contains one driver and one receiver in a half-duplex configuration, allowing up to 256 transceivers on the bus.
Read onlineSTMicroelectronics ST485E specifications
| Supply voltage | 5 V |
|---|---|
| Quiescent current (typical) | 300 µA |
| ESD protection (HBM) | +15 kV |
| Common mode input voltage range | -7 V to 12 V |
| Maximum data rate | 5 Mbps |
All STMicroelectronics ST485E documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical quiescent current?
The device draws 300 µA of supply current when unloaded or fully loaded with disabled drivers.
How many transceivers can be on the bus?
The design allows up to 256 transceivers to operate on the same bus.
What is the quiescent current of the ST485ERB?
The typical quiescent current is 300 µA when unloaded or fully loaded with disabled drivers.
From: STMicroelectronics ST485ERB RS-485/RS-422 Transceiver Datasheet
What supply voltage does the ST485ERB operate from?
It operates from a single 5 V supply.
From: STMicroelectronics ST485ERB RS-485/RS-422 Transceiver Datasheet
What is the supply voltage range for the ST485E?
The device is rated for a supply voltage (Voc) of 7 V.
From: STMicroelectronics ST485E RS-485/RS-422 Transceiver Datasheet
How many transceivers can be placed on the bus?
The ST485E allows up to 64 transceivers on the bus.
From: STMicroelectronics ST485E RS-485/RS-422 Transceiver Datasheet