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Maxim Integrated
MAX485 RS-485/RS-422 Transceivers Datasheet
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Product Details
The MAX485 RS485 Transceiver is a low-power transceiver for RS-485 and RS-422 bus communication. The MAX485 contains both a driver and receiver for the RS-485 bus together with protection against short-circuits and thermal overload. The driver slew rates are not limited on the MAX485 and this IC can transmit data up to 2.5Mbps.
Features
- Low Quiescent Current
- -7V to +12V Common-Mode Input Voltage Range
- Three State Outputs
- Up to 32 Transmitters on a Bus
- Operates from a Single 5V Supply
- Current Limiting and Thermal Shutdown for Driver Overload Protection
Pin Layout
Pin Description
| Pin Number | Description |
|---|---|
| 1 | RO - Receiver Output |
| 2 | RE - Receiver Output Enable |
| 3 | DE - Driver Output Enable |
| 4 | DI - Driver Input |
| 5 | GND - Ground |
| 6 | A - Non-Inverting Receiver Input and Driver Output |
| 7 | B - Inverting Receiver Input and Driver Output |
| 8 | Vcc - +5V Positive Supply |
Dimensional Drawing
Technical Data
