TPT4089(3PEAK思瑞浦)
- The TPT4089 is IEC61000 ESD protected, 5V transceivers that meet the RS-485 and RS-422 standards for Half and Full Duplex communication. The TPT4089 features a fail-safe receiver, which support the output of the receiver to be logic high wh
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The TPT4089 is IEC61000 ESD protected, 5V transceivers that meet the RS-485 and RS-422 standards for Half and Full Duplex communication. The TPT4089 features a fail-safe receiver, which support the output of the receiver to be logic high when the differential input (bus pin A/B) of the receiver is open, short or idle when RXP=0V. Transmitters in this family deliver exceptional differential output voltages into the RS-485 required 54Ω load. The 10Mbps devices have very low bus currents so they present a true “1/8 unit load” to the RS-485 bus. This allows up to 256 transceivers on the network without using repeaters. Receiver (Rx) inputs feature a “Full Fail-Safe” design, which ensures a logic high Rx output if Rx inputs are floating, shorted, or on a terminated but undriven bus. The TPT48x is characterized from –40°C to 125°C.
Features
⚫ Exceeds Requirements of EIA-485 Standard
⚫ Hot Plug Circuitry - Tx and Rx Outputs Remain ThreeState During Power-up/Power-down
⚫ Supply voltage: 3.0V ~ 5.5V
⚫ Data Rate: 32Mbps or 500Kbps
⚫ Up to 256 Nodes on a Bus (1/8 unit load)
⚫ Full Fail-safe Receiver (Open, Short, Terminated)
⚫ H/F control to support Half and Full Duplex RS485
⚫ Polarity Control to Correct for Bus Reversal throughRXP/TXP Pins
⚫ Bus-Pin Protection:
±12 kV IEC61000-4-2 Contact Discharge
±15 kV IEC61000-4-2 Air Discharge
±2 kV IEC61000-4-4 Fast Transient Burst
⚫ –40°C to 125°C Operation Temperature Range
Applications
⚫ Home Appliance
⚫ Motor Drives
⚫ Industrial Control
⚫Communication Infrastructure
Features
⚫ Exceeds Requirements of EIA-485 Standard
⚫ Hot Plug Circuitry - Tx and Rx Outputs Remain ThreeState During Power-up/Power-down
⚫ Supply voltage: 3.0V ~ 5.5V
⚫ Data Rate: 32Mbps or 500Kbps
⚫ Up to 256 Nodes on a Bus (1/8 unit load)
⚫ Full Fail-safe Receiver (Open, Short, Terminated)
⚫ H/F control to support Half and Full Duplex RS485
⚫ Polarity Control to Correct for Bus Reversal throughRXP/TXP Pins
⚫ Bus-Pin Protection:
±12 kV IEC61000-4-2 Contact Discharge
±15 kV IEC61000-4-2 Air Discharge
±2 kV IEC61000-4-4 Fast Transient Burst
⚫ –40°C to 125°C Operation Temperature Range
Applications
⚫ Home Appliance
⚫ Motor Drives
⚫ Industrial Control
⚫Communication Infrastructure
