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MAX3471 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX3471 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 8 page 1.6µA, RS-485/RS-422, Half-Duplex, Differential Transceiver for Battery-Powered Systems _______________________________________________________________________________________ 3 DC ELECTRICAL CHARACTERISTICS (continued) (VCC = +2.5V to +5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +3.6V and TA = +25°C.) (Note 1) SWITCHING CHARACTERISTICS (VCC = +2.5V to +5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +3.6V and TA = +25°C.) Note 1: All currents into the device are positive; all currents out of the device are negative. All voltages are referred to device ground unless otherwise noted. Note 2: ∆VOD and ∆VOC are the changes in magnitude of VOD and VOC, respectively, when the DI input changes state. Note 3: Maximum and minimum current levels apply to peak current just prior to foldback-current limiting. 0 ≤ VRO ≤ VCC CONDITIONS -20 50 UNITS MIN TYP MAX SYMBOL PARAMETER VCC ≤ 3.6V mA IOSR Receiver Output Short-Circuit Current Figures 3 and 5, RDIFF = 1.5kΩ, CL1 = CL2 = 100pF Figures 3 and 5, RDIFF = 1.5kΩ, CL1 = CL2 = 100pF CONDITIONS µs 0.025 tDSKEW Driver Output Skew (tDPLH - tDPHL) µs Driver Input to Output Propagation Delay UNITS MIN TYP MAX SYMBOL PARAMETER tDPLH, tDPHL 1.40 2.00 Figures 3 and 5, RDIFF = 1.5kΩ, CL1 = CL2 = 100pF µs 0.75 1.34 1.75 tDR, tDF Driver Rise or Fall Time Figures 4 and 6, CL = 100pF, S2 closed, S1 open µs 1.5 6.00 tDZH Driver Enable Time to Output High Figures 4 and 6, CL = 100pF, S1 closed, S2 open µs 0.86 4.00 tDZL Driver Enable Time to Output Low Figures 4 and 6, CL = 15pF, S1 closed, S2 open µs 0.4 1.5 tDLZ Driver Disable Time from Low Figures 4 and 6, CL = 15pF, S2 closed, S1 open µs 0.6 1.5 tDHZ Driver Disable Time from High Figures 7 and 9, CL = 15pF, |VID| = 2V µs 6.4 12 tRPHL Receiver Input to Output Propagation Delay Figures 7 and 9, |VID| = 2V µs 1.2 tRSKEW Differential Receiver Skew (tRPLH - tRPHL) Figure 9, CL = 100pF kbps 64 fMAX Data Rate Figures 2 and 8, CL = 15pF, S2 closed, S1 open ns 85 500 tRZH Receiver Enable Time to Output High Figures 2 and 8, CL = 15pF, S1 closed, S2 open ns 50 200 tRLZ Receiver Disable Time from Low Figures 2 and 8, CL = 15pF, S2 closed, S1 open ns 35 200 tRHZ Receiver DisableTime from High VCC ≤ 5.5V -40 110 DE = VCC µA ICC Supply Current VCC ≤ 3.6V, no load, RE = DI = GND or VCC, VA = VB = 0 50 60 DE = GND 1.6 2 DE = VCC VCC ≤ 5.5V, no load, RE = DI = GND or VCC, VA = VB = 0 83 100 DE = GND 2.8 4 Figures 2 and 8, CL = 15pF, S1 closed, S2 open ns 70 500 tRZL Receiver Enable Time to Output Low tRPLH 5.2 12 |
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