MAX3386EEUP+ Maxim Integrated Products, MAX3386EEUP+ Datasheet
MAX3386EEUP+
Specifications of MAX3386EEUP+
Related parts for MAX3386EEUP+
MAX3386EEUP+ Summary of contents
Page 1
... T1IN 7 T2IN 8 T3IN 9 R2OUT 10 TSSOP ________________________________________________________________ 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 Pin for Compatibility with Mixed-Voltage L Systems o Enhanced ESD Protection on Rx Inputs and Tx Outputs ±15kV—Human Body Model ± ...
Page 2
ESD-Protected RS-232 Transceiver for PDAs and Cell Phones ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0. GND...................................................-0. GND ................................................................-0. GND .................................................................+0.3V to -7V V+ + ...
Page 3
ESD-Protected 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 ...
Page 4
ESD-Protected RS-232 Transceiver for PDAs and Cell Phones ( +3.3V +25°C, unless otherwise noted TRANSMITTER OUTPUT VOLTAGE vs. LOAD CAPACITANCE 7.5 5.0 DATA RATE = 250kbps LOAD = 3kΩ IN ...
Page 5
ESD-Protected RS-232 Transceiver for PDAs and Cell Phones PIN NAME 1 C1+ Positive Terminal of the Voltage-Doubler Charge-Pump Capacitor 2 V+ +5.5V Supply Generated by the Charge Pump 3 C1- Negative Terminal of the Voltage-Doubler Charge-Pump Capacitor 4 ...
Page 6
ESD-Protected RS-232 Transceiver for PDAs and Cell Phones Detailed Description Dual Charge-Pump Voltage Converter The MAX3386E’s internal power supply consists of a regulated dual charge pump that provides output volt- ages of +5.5V (doubling charge pump) and -5.5V ...
Page 7
ESD-Protected RS-232 Transceiver for PDAs and Cell Phones V Logic Supply Input L Unlike other RS-232 interface devices where the receiver outputs swing between 0 and V CC tures a separate logic supply input (V for the receiver ...
Page 8
ESD-Protected RS-232 Transceiver for PDAs and Cell Phones 50MΩ to 100MΩ 330Ω DISCHARGE CHARGE-CURRENT RESISTANCE LIMIT RESISTOR HIGH STORAGE VOLTAGE 150pF CAPACITOR DC SOURCE Figure 4a. IEC 1000-4-2 ESD Test Model I ...
Page 9
ESD-Protected RS-232 Transceiver for PDAs and Cell Phones The MAX3386E maintains the RS-232 ±5.0V minimum transmitter output voltage even at high data rates. Figure 5 shows a transmitter loopback test circuit. Figure 6 shows a loopback test result ...
Page 10
ESD-Protected RS-232 Transceiver for PDAs and Cell Phones T1IN T1OUT R1OUT V = +3.3V CC 2µs/div Figure 7. Loopback Test Results at 250kbps Chip Information TRANSISTOR COUNT: 1267 10 ______________________________________________________________________________________ 5V/div 5V/div 5V/div ...
Page 11
... 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. 11 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...