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SP502 データシート(PDF) 2 Page - Sipex Corporation |
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SP502 データシート(HTML) 2 Page - Sipex Corporation |
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2 / 30 page ![]() Rev. 7/21/03 SP502 Multi-Mode Serial Transceiver © Copyright 2003 Sipex Corporation 2 SPECIFICATIONS MIN. TYP. MAX. UNITS CONDITIONS LOGIC INPUTS V IL 0.8 Volts V IH 2.0 Volts LOGIC OUTPUTS V OL 0.4 Volts I OUT= 3.2mA V OH 2.4 Volts I OUT= 1.0mA RS-485 DRIVER TTL Input Levels V IL 0.8 Volts V IH 2.0 Volts Outputs HIGH Level Output +6.0 Volts LOW level Output -0.3 Volts Differential Output ±1.5 ±5.0 Volts R L=54Ω, CL=50pF Balance ±0.2 Volts Open Circuit Voltage ±6.0 Volts Output Current 28.0 mA R L=54Ω Short Circuit Current ±250 mA Terminated in -7V to +12V Transition Time 120 ns Rise/fall time, 10%-90% Maximum Transmission Rate 5 Mbps RS-485 RECEIVER TTL Output Levels V OL 0 0.4 Volts V OH 2.4 Volts Input HIGH Threshold +0.2 +12.0 Volts (a)-(b) LOW Threshold -7.0 -0.2 Volts (a)-(b) Common Mode Range -7.0 +12.0 Volts HIGH Input Current Refer to graph LOW Input Current Refer to graph Receiver Sensitivity ±0.2 Volts Over -7V to +12V common mode range Input Impedance 1 Unit Load Refer to graph V.35 DRIVER TTL Input Levels V IL 0 0.8 Volts V IH 2.0 Volts Outputs Differential Output ±0.44 ±0.66 Volts With termination network; R L=100Ω Output Impedance 50 150 Ω With termination network Transition Time 40 ns Maximum Transmission Rate 5 Mbps V.35 RECEIVER TTL Output Levels V OL 0 0.4 Volts V OH 2.4 Volts Receiver Sensitivity ±0.2 Volts Over -7V to +12V common mode range Input Impedance 90 110 Ω With termination network |
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