MAX3387ECUG+ Maxim Integrated Products, MAX3387ECUG+ Datasheet

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... ESD Protection on Rx Inputs and Tx Outputs ♦ Low 300µA Supply Current ♦ Guaranteed 250kbps Data Rate ♦ 1µA AutoShutdown Plus™ with Receivers Active ♦ Meets TIA/EIA-232 Specifications Down to 3.0V PART MAX3387ECUG+ MAX3387EEUG+ + Denotes a lead(Pb)-free/RoHS-compliant package. +3.3V Applications C ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0. GND...................................................-0. GND ................................................................-0. GND .................................................................+0.3V to -7V ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones DC ELECTRICAL CHARACTERISTICS (continued +3.0V to +5.5V; C1–C4 = 0.1µF, tested at +3.3V ±10 0.047µF, C2–C4 = 0.33µF, tested at +5.0V ±10%; ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones TIMING CHARACTERISTICS ( +3V to +5.5V; C1–C4 = 0.1µF, tested at +3.3V ±10 0.047µF, C2–C4 = 0.33µF, tested at +5.0V ±10 ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones ( +3.3V +25°C, unless otherwise noted TRANSMITTER OUTPUT VOLTAGE vs. DATA RATE 7.5 5.0 2.5 0 -2.5 -5.0 -7.5 0 ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones PIN NAME 1 C1 C1- 4 C2 T1IN 8 T2IN INVALID 9 10 T3IN 11 FORCEON 12 R3OUT 13 R2OUT ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones Detailed Description Dual Charge-Pump Voltage Converter The MAX3387E’s internal power supply consists of a regulated dual charge pump that provides output volt- ages of +5.5V (doubling charge pump) ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones EDGE T_IN FORCEOFF DETECT EDGE R_IN DETECT FORCEON Figure 2c. AutoShutdown Plus Logic FORCEOFF FORCEON AUTOSHDN POWERDOWN IS ONLY AN INTERNAL SIGNAL. IT CONTROLS THE OPERATIONAL STATUS OF ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones RECEIVER INPUTS TRANSMITTER INPUTS TRANSMITTER OUTPUTS V INVALID CC t INVL OUTPUT t INVH Figure 3b. AutoShutdown Plus/INVALID Timing Diagram POWER- MASTER ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones Table 1. Output Control Truth Table OPERATION STATUS Shutdown (Forced Off) Normal Operation (Forced On) Normal Operation (AutoShutdown Plus) Shutdown (AutoShutdown Plus) Normal Operation Normal Operation Shutdown Normal ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones 50M to 100M 330Ω DISCHARGE CHARGE-CURRENT RESISTANCE LIMIT RESISTOR HIGH STORAGE VOLTAGE 150pF CAPACITOR DC SOURCE Figure 6a. IEC 1000-4-2 ESD Test ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones Power-Supply Decoupling In most circumstances, a 0.1µF bypass capacitor is ade- quate. In applications that are sensitive to power-supply noise, decouple V to ground with a capacitor of ...

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ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones T1IN T1OUT R1OUT V = 3.3V CC 2μs/div Figure 10. Loopback Test Results at 250kbps Typical PDA/Cell-Phone Application The MAX3387E is designed with PDA applications in mind. Two ...

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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. 14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2010 Maxim Integrated Products DESCRIPTION Maxim is a registered trademark of Maxim Integrated Products, Inc ...