MAX1480BCPI Maxim Integrated Products, MAX1480BCPI Datasheet
MAX1480BCPI
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MAX1480BCPI Summary of contents
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... Transceivers for EMI-Sensitive Applications Industrial-Control Local Area Networks Automatic Test Equipment HVAC/Building Control Networks ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Next-Generation Device Features ♦ ♦ For Integrated ESD Protection MAX1480E/MAX1490E: ± ...
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Complete, Isolated RS-485/RS-422 Data Interface ABSOLUTE MAXIMUM RATINGS With Respect to GND_ Supply Voltage (V )...........................................-0.3V to +6V CC_ Control Input Voltage (SD, FS)...............-0. Receiver Output Voltage (RO, RO)........-0. Output Switch Voltage (D1, D2)........................................+12V With Respect ...
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Complete, Isolated RS-485/RS-422 ELECTRICAL CHARACTERISTICS (continued ±10 CC_ FS CC_ A MIN PARAMETER SYMBOL Differential Driver Output (With Load) Change in Magnitude of Differential Output Voltage for Complementary Output States ...
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Complete, Isolated RS-485/RS-422 Data Interface SWITCHING CHARACTERISTICS—MAX1480A/MAX1490A (continued ±10 CC_ CC_ A MIN PARAMETER SYMBOL | Differential Receiver PLH PHL Skew Maximum Data Rate Time to Shutdown ...
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Complete, Isolated RS-485/RS-422 SWITCHING CHARACTERISTICS—MAX1480B/MAX1480C/MAX1490B (continued ±10 CC_ CC_ A MIN PARAMETER SYMBOL Driver Disable Time from Low (MAX1480C Only) Driver Disable Time from High (MAX1480C Only) Receiver Input to ...
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Complete, Isolated RS-485/RS-422 Data Interface __________________________________________Typical Operating Characteristics ( +25°C, unless otherwise noted.) CC_ CC_ A OUTPUT CURRENT vs. RECEIVER OUTPUT LOW VOLTAGE 80 MEASURED AT ISO RO DRV ...
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Complete, Isolated RS-485/RS-422 _____________________________Typical Operating Characteristics (continued 5V +25°C, unless otherwise noted.) CC_ CC_ A MAX1480A SUPPLY CURRENT vs. TEMPERATURE 160 R = 54Ω 5.5V CC 140 V = ...
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Complete, Isolated RS-485/RS-422 Data Interface _____________________________Typical Operating Characteristics (continued) ´ 5V ´ = 0V, DE CC_ CC_ DI MAX1480A DRIVER ENABLE TIME 200ns/div ´ 5.0V CC_ ´ DE ...
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Complete, Isolated RS-485/RS-422 _____________________________Typical Operating Characteristics (continued) ´ 5V CC_ CC_ CC_ DI MAX1480A/MAX1490A RECEIVER t PHL MAX1480/90-21 20ns/div ´ 5.0V CC_ CC_ ´ ...
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Complete, Isolated RS-485/RS-422 Data Interface ________________________________________________________________Pin Description PIN NAME MAX1480A/B/C MAX1490A/B PINS ON THE NON-ISOLATED SIDE PINS ON THE NON-ISOLATED SIDE CC1 D1 GND1 ...
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Complete, Isolated RS-485/RS-422 ___________________________________________________Pin Description (continued) PIN NAME MAX1480A/B/C MAX1490A/B PINS ON THE ISOLATED RS-485/RS-422 SIDE (continued) — 17 — 18 — 19 — — ISO — ISO — ISO ...
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Complete, Isolated RS-485/RS-422 Data Interface V CC3 MAX845 Q OSC T F/F FS 1.07MHz/ 1.45MHz 22μF 0.1μF 74HC86 OR EQUIVALENT R1 DI DRIVER INPUT ´ DRIVER ENABLE ´ ...
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Complete, Isolated RS-485/RS-422 V CC3 Q OSC T F/F FS 1.07MHz/ 1.45MHz CC1 CC2 22μF 0.1μ GND1 FS SD 74HC86 V CC3 OR EQUIVALENT R1 DI DRIVER INPUT DI ...
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Complete, Isolated RS-485/RS-422 Data Interface SHUTDOWN Figure 3. MAX1480A Low-Power Shutdown Mode Figure 4. Driver DC Test Load 14 ______________________________________________________________________________________ V CC1 1 V CC2 GND1 ...
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Complete, Isolated RS-485/RS-422 ____________________________________________________Test Circuits (continued) Figure 6. Driver Timing Test Load V - 0.4V CC_ V - 0.4V 2 CC_ ´ PLH 1 ( (B) ...
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Complete, Isolated RS-485/RS-422 Data Interface MAX1480B/MAX1480C/MAX1490B: Reduced EMI and Reflections The MAX1480B/MAX1480C/MAX1490B are slew-rate- limited, minimizing EMI and reducing reflections caused by improperly terminated cables. Figure 11 shows both the driver output waveform of a MAX1480A/MAX1490A transmitting a 150kHz signal ...
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Complete, Isolated RS-485/RS-422 22μF 0.1μF 74HC86 OR EQUIVALENT R1 DI DRIVER INPUT R2 DE DRIVER ENABLE R3 RECEIVER OUTPUT RO Figure 13. Typical Half-Duplex RS-485/RS-422 Network ...
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Complete, Isolated RS-485/RS-422 Data Interface Driver Output Protection There are two mechanisms to prevent excessive output current and power dissipation caused by faults or by bus contention. A foldback current limit on the output stage provides immediate protection against short ...
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Complete, Isolated RS-485/RS-422 Connections and components from one side should not be located near those of the other side. • A shield trace connected to the ground on each side of the barrier can help intercept capacitive currents that might ...
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Complete, Isolated RS-485/RS-422 Data Interface Doubly Isolated RS-485 Repeater The RS-422/RS-485 standard is specified for cable lengths up to 4000 feet. When approaching or exceed- ing the specified maximum cable length, a ground- potential difference of several tens of volts ...
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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 ____________________ 21 © 2005 Maxim Integrated Products Ordering Information (continued) PART MAX1480BCPI MAX1480BEPI MAX1480A/B/C MAX1480CCPI 28 AC1 ...