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SN65HVD37DR Datasheet(PDF) 3 Page - Texas Instruments |
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SN65HVD37DR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 16 page SN65HVD37 www.ti.com SLLSE92 A – OCTOBER 2011 – REVISED NOVEMBER 2011 ELECTRICAL CHARACTERISTICS over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT See Figure 1, RL= 60 Ω, VCC ≥ 3.15 V, 1.5 1.9 V 375 Ω on each output to –7 V to 12 V Driver differential output voltage |VOD| RL = 54 Ω (RS-485) 1.5 2 V magnitude See Figure 3 RL = 100 Ω (RS-422), 2 2.2 V TJ ≥ 25°C, VCC ≥ 3.3 V Change in magnitude of driver differential Δ|VOD| RL = 54 Ω, CL = 50 pF –0.1 0 0.1 V output voltage Steady-state common-mode output VOC(SS) 1.5 VCC /2 2.5 V voltage Change in differential driver output Center of two 27- Ω load ΔVOC See Figure 3 –0.1 0 0.1 V common-mode voltage resistors, CL = 50 pF Peak-to-peak driver common-mode VOC(PP) 400 mV output voltage CID Differential input capacitance A, B 3 pF COD Differential output capacitance Y, Z 14 pF Positive-going receiver differential input See VIT+ –60 –20 mV voltage threshold (1) Negative-going receiver differential input See VIT– –200 –120 mV voltage threshold (1) Receiver differential input voltage VHYS 30 60 mV threshold hysteresis (VIT+ – VIT–) VCC- VOH Receiver high-level output voltage IOH = –8 mA 2.4 V 0.3 VOL Receiver low-level output voltage IOL = 8 mA 0.2 0.4 V Driver input, driver enable, and receiver II –2 2 μA enable input current IOZ Receiver output high-impedance current VO = 0 V or VCC, RE at VCC –1 1 μA IOS Driver short-circuit output current –250 250 mA VI = 12 V 75 125 VCC = 3 to 3.6 V or II Bus input current (disabled driver) μA VCC =0 V, DE at 0 V VI = –7 V –100 –40 Driver and Receiver enabled DE = VCC, RE = GND 720 850 μA Driver enabled, receiver DE = VCC, RE = VCC 400 μA disabled Supply current, steady-state, no load ICC Driver disabled, receiver (quiescent) DE = GND, RE = GND 800 μA enabled Driver and receiver disabled DE = GND, D = open, 0.2 1 μA (standby) RE = VCC Supply current (dynamic) See “TYPICAL CHARACTERISTICS” section (1) Under any specific conditions, VIT+ is assured to be at least VHYS higher than VIT–. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Link(s): SN65HVD37 |
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