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SP3082EEN Datasheet(PDF) 5 Page - Sipex Corporation |
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SP3082EEN Datasheet(HTML) 5 Page - Sipex Corporation |
5 / 25 page 5 Rev M 2/22/2007 SP3080E-3088E Advanced RS485 Transceivers © Copyright 2007 Sipex Corporation ELECTRICAL CHARACTERISTICS PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Digital Input Signals: DI, DE, RE Logic input thresholds High, VIH 2.0 V Low, VIL 0.8 Logic Input Current TA = 25°C, after first transition ±1 µA Input Hysteresis TA = 25°C 100 mV Driver Differential Driver Output (VOD) No Load VCC V Differential Driver Output, Test 1 RL=100Ω (RS-422) 2 VCC V RL=54Ω (RS-485) 1.5 2.7 VCC Differential Driver Output, Test 2 VCM = -7 to +12V 1.5 VCC Change in Magnitude of Differential Output Voltage (∆VOD) (Note 1) RL=54 or 100Ω ±0.2 V Driver Common Mode Output Voltage (Vcc) RL=54 or 100Ω 1 3 V Change in Common Mode Output Voltage (∆VOC) RL=54 or 100Ω ±0.2 V Driver Short Circuit Current Limit -7V ≤ VOUT ≤ +12V ±250 mA Output Leakage Current (Full-duplex versions, Y & Z pins) Note 2 DE=0, VOUT=12V 125 µA RE=0, VCC=0 or 5.5V VOUT= -7V -100 Receiver Receiver Input Resistance -7V ≤ VCM ≤ 12V 96 KΩ Input Current (A, B pins) DE=0, RE=0, Vcc=0 or 5.5V VIN= 12V 125 VIN= -7V -100 µA Receiver Differential Threshold (VA-VB) -7V ≤ VCM ≤ 12V -200 -125 -40 mV Receiver Input Hysteresis 25 mV Receiver Output Voltage VOH IOUT = -8mA, VID = -40mV Vcc-1.5 V VOL IOUT = 8mA, VID = -200mV 0.4 High-Z Receiver Output Current VCC =5.5V, 0 ≤ VOUT ≤ VCC ± 1 µA Receiver Output Short Circuit Current 0V ≤ VRO ≤ VCC ± 95 mA Supply and Protection Supply Current IQ, Active Mode No load, DI=0 or VCC 400 900 µA Shutdown Mode DE=0, RE=Vcc, DI=VCC 1 µA Thermal Shutdown Temperature Junction temperature 165 o C Thermal Shutdown Hysteresis 15 Notes: 1. Change in Magnitude of Differential Output Voltage and Change in Magnitude of Common Mode Output Voltage are the changes in output voltage when DI input changes state. 2. Except devices which don’t have DE or RE inputs. 3. The transceivers are put into shutdown by bringing RE high and DE low. If the inputs are in this state for less than 50ns the device does not enter shutdown. If the enable inputs are held in this state for at least 600ns the device is assured to be in shutdown. In this low power mode most circuitry is disabled and supply current is typically 1nA. 4.Characterized, not 100% tested. |
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