MAX488 Maxim Integrated Products, MAX488 Datasheet
MAX488
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MAX488 Summary of contents
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... The MAX487E and MAX1487E feature quarter-unit-load receiver input impedance, allowing up to 128 transceivers on the bus. The MAX488E–MAX491E are designed for full- duplex communications, while the MAX481E, MAX483E, MAX485E, MAX487E, and MAX1487E are designed for half- duplex applications ...
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ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers ABSOLUTE MAXIMUM RATINGS Supply Voltage (V ) .............................................................12V CC – — – Control Input Voltage ( DE)...................-0. Driver Input Voltage (DI).............................-0. Driver Output Voltage ( ...
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... Receiver Enable to Output High t ZH Receiver Disable Time from Low t LZ Receiver Disable Time from High t HZ Maximum Data Rate f MAX Time to Shutdown t SHDN _______________________________________________________________________________________ CONDITIONS MAX488E/MAX489E, – — – DE, DI MAX490E/MAX491E, – — – DE, DI ...
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... Driver Enable from Shutdown to t ZL(SHDN) Output Low (MAX481E) Receiver Enable from Shutdown t ZH(SHDN) to Output High (MAX481E) Receiver Enable from Shutdown t ZL(SHDN) to Output Low (MAX481E) SWITCHING CHARACTERISTICS—MAX483E, MAX487E/MAX488E/MAX489E ( ±5 unless otherwise noted.) (Notes MIN MAX PARAMETER SYMBOL ...
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ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers 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 ...
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... OUTPUT LOW VOLTAGE (V) MAX483E/MAX487E–MAX489E SUPPLY CURRENT vs. TEMPERATURE 600 500 400 MAX483E 300 MAX487E 200 MAX483E/MAX487E MAX488E/MAX489E 100 MAX483E/MAX487E -60 -40 - 100 TEMPERATURE (°C) OUTPUT CURRENT vs. DRIVER OUTPUT HIGH VOLTAGE ...
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... ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers ______________________________________________________________Pin Description PIN MAX481E/MAX483E MAX488E MAX485E/MAX487E MAX490E MAX1487E — 3 — — 5 — — — — — — — _______________________________________________________________________________________ NAME MAX489E MAX491E Receiver Output > 200mV, RO will be high; ...
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... DIP/SO Figure 1. MAX481E/MAX483E/MAX485E/MAX487E/MAX1487E Pin Configuration and Typical Operating Circuit TOP VIEW GND DIP/SO Figure 2. MAX488E/MAX490E Pin Configuration and Typical Operating Circuit TOP VIEW N. N. ...
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... The MAX481E, MAX485E, MAX490E, MAX491E, and MAX1487E can transmit and receive at data rates up to 2.5Mbps, while the MAX483E, MAX487E, MAX488E, and MAX489E are specified for data rates up to 250kbps. The MAX488E–MAX491E are full-duplex transceivers, while the MAX481E, MAX483E, MAX487E, and MAX1487E are half-duplex ...
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ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers 1500 C D DISCHARGE CHARGE CURRENT LIMIT RESISTOR RESISTANCE HIGH C s STORAGE VOLTAGE 100pF CAPACITOR DC SOURCE Figure 4. Human Body ESD Test Model R 50M to 100M R 330 ...
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... 10% Figure 13. Driver Enable and Disable Times (except MAX488E and MAX490E 1. Figure 15. Receiver Enable and Disable Times (except MAX488E and MAX490E 500 1. ZL(SHDN 2.3V V +0.5V OUTPUT NORMALLY LOW OL OUTPUT NORMALLY HIGH 2 ...
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... For the MAX481E, MAX483E, and MAX487E, the t and t enable times assume the part was not in the ZL low-power shutdown state (the MAX485E, MAX488E– MAX491E, and MAX1487E can not be shut down). The t and t ZH(SHDN) parts were shut down (see Electrical Characteristics ). ...
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ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers 100pF Z B TTL < 6ns 100pF Figure 18. Receiver Propagation Delay Test Circuit It takes the drivers and receivers longer to ...
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ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers A 500mV/div B RO 5V/div 25ns/div Figure 19. MAX481E/MAX485E/MAX490E/MAX1487E Receiver t PHL A 500mV/div B RO 5V/div 200ns/div Figure 21. MAX483E/MAX487E–MAX489E Receiver s/div Figure 23. ...
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... MAX481E MAX483E MAX485E MAX487E MAX1487E Figure 25. MAX481E/MAX483E/MAX485E/MAX487E/MAX1487E Typical Half-Duplex RS-485 Network A 120 120 NOTE: RE AND DE ON MAX489E/MAX491E ONLY. Figure 26. MAX488E–MAX491E Full-Duplex RS-485 Network ______________________________________________________________________________________ ...
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... MAX488ECSA 0°C to +70° MAX488EEPA -40°C to +85°C 8 Plastic DIP MAX488EESA -40°C to +85° ___________________Chip Information TRANSISTOR COUNT: 295 Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied ...