Product Overview
SN65HVD1780DR from TI is a 3.3V RS-485 transceiver with +/-16kV IEC ESD and 1Mbps data rate. 1/4 unit load. Extended common-mode range. SOIC-8.
Working Principle
Differential driver and receiver for RS-485 bus. +/-16kV ESD protection on bus pins. 1/4 unit load allows 128 nodes. -20V to +25V common-mode range. DE/RE enable control.
Pin Description
| Pin | Name | Function |
|---|---|---|
| 1 | RO | Receiver output |
| 2 | RE | Rx enable |
| 3 | DE | Driver enable |
| 4 | DI | Driver input |
| 6 | A | Non-inverting |
| 7 | B | Inverting |
Applications
- Industrial RS-485 networks
- Building automation
- Meter reading systems
Alternative Models
| Manufacturer | Part Number | Notes |
|---|---|---|
| TI | SN65HVD1782DR | 20Mbps version |