Product Overview
The AM26C31IDR from Texas Instruments is a quadruple differential line driver for RS-422 communication, with 3-state outputs and +/-10kV ESD protection in SOIC-16 package.
Key Specifications
| Standard | TIA/EIA-422-B |
| Channels | 4 drivers |
| Data Rate | 30 Mbps |
| Output Voltage | +/-2V min differential |
| Output Short-Circuit Current | +/-150 mA |
| Supply Voltage | 5V +/-10% |
| Supply Current | 30 mA typical |
| Enable | Active-high, 3-state output |
| ESD Protection | +/-10 kV HBM on bus pins |
| Package | SOIC-16 |
| Operating Temperature | -40 to +85 C |
Features
- 4 independent differential drivers for multi-channel RS-422
- 30Mbps data rate for high-speed communication
- 3-state outputs with independent enables for bus sharing
- +/-10kV ESD protection on bus pins for rugged environments
- Low skew between drivers for clock/data alignment
Applications
- RS-422 point-to-point and multi-drop communication
- Industrial automation fieldbus driver
- Motor encoder signal transmission
- CNC machine tool communication interface
- Building automation RS-422 wiring