THVD8000 - Texas Instruments

THVD8000 RS-485 Transceiver

• 3-V – 5.5-V supply voltage • Half-duplex communication – Up to 500 kbps data rate with f0 / bps = 10 – Higher data rates are possible with f0 / bps < 10 • RS-485 electrical signaling with on-off keying (OOK) modulation • Pin selectable carrier frequency: 125 kHz – 5 MHz • Spread spectrum clocking for excellent EMI performance • Polarity free • TX timeout .

Features

3 Description
• 3-V
  – 5.5-V supply voltage
• Half-duplex communication
  – Up to 500 kbps data rate with f0 / bps = 10
  – Higher data rates are possible with f0 / bps < 10
• RS-485 electrical signaling with on-off keying (OOK) modulation
• Pin selectable carrier frequency: 125 kHz
  – 5 MHz
• Spread spectrum clocking for excellent EMI performance
• Polarity free
• TX timeout to avoid stuck bus conditions
• Operational common-mode range:
  –7 V to 12 V
• Bus I/O protection
  – ± 18-V DC fault protection
  – ± 16 kV HBM ESD
  – ± 8 kV IEC 61000-4-2 contact discharge
  – ± 15 kV IEC 61000-4-2 air gap discharg.