MAX485EPA Maxim Integrated Products, MAX485EPA Datasheet
MAX485EPA
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MAX485EPA Summary of contents
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... MAX491 Full 2.5 MAX1487 Half 2.5 ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers __Next Generation Device Features For Fault-Tolerant Applications MAX3430: ±80V Fault-Protected, Fail-Safe, 1/4 Unit Load, +3.3V, RS-485 Transceiver MAX3440E– ...
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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers ABSOLUTE MAXIMUM RATINGS Supply Voltage (V ) .............................................................12V CC Control Input Voltage (RE, DE)...................-0. Driver Input Voltage (DI).............................-0. Driver Output Voltage (A, B)...................................-8V to +12.5V Receiver Input Voltage (A, B).................................-8V to +12.5V ...
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DC ELECTRICAL CHARACTERISTICS (continued ±5 unless otherwise noted.) (Notes MIN MAX PARAMETER SYMBOL No-Load Supply Current I (Note 3) Supply Current in Shutdown I SHDN Driver Short-Circuit ...
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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers SWITCHING CHARACTERISTICS—MAX481/MAX485, MAX490/MAX491, MAX1487 (continued ±5 unless otherwise noted.) (Notes MIN MAX PARAMETER SYMBOL Driver Enable from Shutdown to t ZH(SHDN) Output High ...
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NOTES FOR ELECTRICAL/SWITCHING CHARACTERISTICS Note 1: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless otherwise specified. Note 2: All typical specifications are given for V ...
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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers ____________________________Typical Operating Characteristics (continued 5V +25°C, unless otherwise noted OUTPUT CURRENT vs. DRIVER OUTPUT LOW VOLTAGE 140 120 100 ...
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Description PIN MAX481/MAX483/ MAX488/ MAX485/MAX487/ MAX490 MAX1487 DIP/SO µMAX DIP/SO µMAX — — — — — — — — ...
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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers TOP VIEW GND DIP/ MAX488 MAX490 GND ...
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Circuits Figure 4. Driver DC Test Load DIFF Figure 6. Driver/Receiver Timing Test Circuit MAX483/MAX487/MAX488/MAX489: Reduced EMI and Reflections The ...
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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers _______________________________________________________Switching Waveforms PLH PHL 1 ( (Z) DIFF DIFF 90 ...
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Figure 12. Driver Output Waveform and FFT Plot of MAX481/ MAX485/MAX490/MAX491/MAX1487 Transmitting a 150kHz Signal Low-Power Shutdown Mode (MAX481/MAX483/MAX487) A low-power shutdown mode is initiated by bringing both RE high and DE low. The devices will not ...
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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers t Figure 14. Receiver Propagation Delay Test Circuit 500mV/div T = +25° 2V/div 20ns/div Figure 15. MAX481/MAX485/MAX490/MAX491/MAX1487 Receiver t PHL A 500mV/div B RO 2V/div 400ns/div Figure 17. MAX483, MAX487–MAX489 ...
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Line Length vs. Data Rate The RS-485/RS-422 standard covers line lengths up to 4000 feet. For line lengths greater than 4000 feet, see Figure 23. Figures 19 and 20 show the system differential voltage for the parts driving 4000 feet ...
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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers A 120Ω 120Ω NOTE: RE AND DE ON MAX489/MAX491 ONLY. Figure 22. MAX488–MAX491 Full-Duplex RS-485 Network MAX488–MAX491 A RO 120Ω ...
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... MAX483MJA -55°C to +125°C MAX485CPA 0°C to +70°C MAX485CSA 0°C to +70°C MAX485CUA 0°C to +70°C MAX485C/D 0°C to +70°C MAX485EPA -40°C to +85°C MAX485ESA -40°C to +85°C MAX485MJA -55°C to +125°C MAX487CPA 0°C to +70°C MAX487CSA 0°C to +70°C MAX487CUA 0° ...
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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers _____________________________________________Chip Topographies (continued) MAX488/MAX490 N.C. N.C. DI GND 0.080" (2.032mm) 16 ______________________________________________________________________________________ 0.054" Z (1.372mm TRANSISTOR COUNT: 248 SUBSTRATE CONNECTED TO GND MAX489/MAX491 ...
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For the latest package outline information go to www.maxim-ic.com/packages TOP VIEW FRONT VIEW ______________________________________________________________________________________ Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers E H ...
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Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages ÿ 0.50±0.1 0.6±0.1 1 0.6±0.1 D TOP VIEW A1 A2 ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 19 © 2003 Maxim Integrated Products ...