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MAX14840EASA+ Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX14840EASA+ Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 15 page 2 ______________________________________________________________________________________ 40Mbps, +3.3V, RS-485 Half-Duplex Transceivers Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (Voltages referenced to GND.) VCC ..................................................................... -0.3V to +6.0V RE, RO .................................................. -0.3V to +(VCC + 0.3V) DE, DI .................................................................. -0.3V to +6.0V A, B.................................................................... -8.0V to +13.0V Short-Circuit Duration (RO, A, B) to GND ............... Continuous Continuous Power Dissipation (TA = +70NC) 8-Pin SO (derate 7.6mW/NC above +70NC) ............... 606mW 8-Pin TDFN (derate 24.4mW/NC above +70NC) ....... 1951mW Junction-to-Case Thermal Resistance (BJC) (Note 1) 8-Pin SO.......................................................................38NC/W 8-Pin TDFN ....................................................................8NC/W Junction-to-Ambient Thermal Resistance (BJA) (Note 1) 8-Pin SO ....................................................................132NC/W 8-Pin TDFN ..................................................................41NC/W Operating Temperature Range ...................... -40NC to +125NC Junction Temperature .................................................. +150NC Storage Temperature Range ......................... -65NC to +150NC Lead Temperature (soldering, 10s) ...............................+300NC Soldering Temperature (reflow) ......................................+260NC DC ELECTRICAL CHARACTERISTICS (VCC = +3.0V to +3.6V, TA = -40NC to +125NC, unless otherwise noted. Typical values are at VCC = +3.3V and TA = +25NC.) (Notes 2, 3) ABSOLUTE MAXIMUM RATINGS Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four- layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER SUPPLY Supply Voltage VCC 3.0 3.6 V Supply Current ICC DE = RE = VCC, or DE = RE = GND, or DE = VCC, RE = GND, DI = VCC or GND, no load 1.5 4 mA Shutdown Supply Current ISH DE = GND and RE = VCC 10 F A DRIVER Differential Driver Output VOD RL = 54I, Figure 1 1.5 V Change in Magnitude of Differential Output Voltage D VOD RL = 54I, Figure 1 (Note 4) -0.2 0 +0.2 V Driver Common-Mode Output Voltage VOC RL = 54I, Figure 1 VCC/2 3 V Change in Common-Mode Voltage D VOC RL = 54I, Figure 1 (Note 4) -0.2 0.2 V Single-Ended Driver Output High VOH A/B output, IOUT = -20mA 2.2 V Single-Ended Driver Output Low VOL A/B output, IOUT = 20mA 0.8 V Driver Short-Circuit Output Current |IOSD| 0V P VOUT P +12V, output low 250 mA -7V P VOUT P VCC, output high 250 RECEIVER Input Current (A and B) IA,B DE = GND, VCC = GND or +3.6V VIN = +12V 1000 F A VIN = -7V -800 Differential Input Capacitance CA,B Between A and B, DE = GND, f = 2MHz 12 pF |
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