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SP485REP Datasheet(PDF) 3 Page - Sipex Corporation |
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SP485REP Datasheet(HTML) 3 Page - Sipex Corporation |
3 / 9 page Date: 6/21/04 SP485R RS-485 Serial Transceiver © Copyright 2004 Sipex Corporation 3 RECEIVER INPUT GRAPH Typically 25°C @ Vcc = +5V unless otherwise noted. MIN. TYP. MAX. UNITS CONDITIONS AC Characteristics Maximum Data Rate 1 Mbps Propagation Delay See Figures 3 and 7 t PHL 1200 ns R DIFF=54Ω, CL1=CL2=100pF t PLH 1200 ns R DIFF=54Ω, CL1=CL2=100pF Differential Receiver Skew 60 ns | t PLH – tPHL |; RDIFF=54Ω, C L1=CL2=100pF, see Figures 3 and 7 SHUTDOWN TIMING (SP481R) Time to Shutdown 50 600 ns RE = V CC, DE = 0V RS-485 Driver Enable Time See Figures 4 and 6 Enable to Low 40 500 ns C L=15pF, S1 Closed Enable to High 40 500 ns C L=15pF, S2 Closed Disable Time See Figures 4 and 6 Disable From Low 40 500 ns C L=15pF, S1 Closed Disable From High 40 500 ns C L=15pF, S2 Closed RS-485 Receiver Enable Time See Figures 2 and 8 Enable to Low 40 500 ns C L=15pF, S1 Closed Enable to High 40 500 ns C L=15pF, S2 Closed Disable Time See Figures 2 and 8 Disable From Low 40 500 ns C L=15pF, S1 Closed Disable From High 40 500 ns C L=15pF, S2 Closed POWER REQUIREMENTS Supply Voltage V CC +4.75 +5.25 Volts Supply Current I CC No Load 300 500 µA RE = V CC or 0V, DE = 0V No Load 500 900 µA RE = V CC or 0V, DE = VCC Supply Current in Shutdown 0.5 10 µA RE = V CC, DE = OV ENVIRONMENTAL Operating Temperature Commercial (..C..) 0 +70 °C Industrial (..E..) –40 +85 °C Storage Temperature –65 +150 °C ELECTRICAL CHARACTERISTICS -7V -3V +6V +12V -60µA +100µA 1/10 Unit Load Maximum Input Current versus voltage. (Shaded region) SP485R Reciever -7V -3V +6V +12V -0.6 mA +1.0mA 1 Unit Load Maximum Input Current versus voltage. (Shaded region) Standard SP485R Reciever |
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