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MAX3232EUE Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX3232EUE Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 16 page For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. _______________General Description The MAX3222/MAX3232/MAX3237/MAX3241 trans- ceivers have a proprietary low-dropout transmitter out- put stage enabling true RS-232 performance from a 3.0V to 5.5V supply with a dual charge pump. The devices require only four small 0.1µF external charge- pump capacitors. The MAX3222, MAX3232, and MAX3241 are guaranteed to run at data rates of 120kbps while maintaining RS-232 output levels. The MAX3237 is guaranteed to run at data rates of 250kbps in the normal operating mode and 1Mbps in the MegaBaud™ operating mode, while maintaining RS-232 output levels. The MAX3222/MAX3232 have 2 receivers and 2 drivers. The MAX3222 features a 1µA shutdown mode that reduces power consumption and extends battery life in portable systems. Its receivers remain active in shutdown mode, allowing external devices such as modems to be monitored using only 1µA supply cur- rent. The MAX3222 and MAX3232 are pin, package, and functionally compatible with the industry-standard MAX242 and MAX232, respectively. The MAX3241 is a complete serial port (3 drivers/ 5 receivers) designed for notebook and subnotebook computers. The MAX3237 (5 drivers/3 receivers) is ideal for fast modem applications. Both these devices feature a shutdown mode in which all receivers can remain active while using only 1µA supply current. Receivers R1 (MAX3237/MAX3241) and R2 (MAX3241) have extra out- puts in addition to their standard outputs. These extra outputs are always active, allowing external devices such as a modem to be monitored without forward bias- ing the protection diodes in circuitry that may have VCC completely removed. The MAX3222, MAX3237, and MAX3241 are available in space-saving TSSOP and SSOP packages. ________________________Applications Notebook, Subnotebook, and Palmtop Computers High-Speed Modems Battery-Powered Equipment Hand-Held Equipment Peripherals Printers ____________________________Features o Low Supply Current: 300µA (MAX3222/MAX3232/MAX3241) 500µA (MAX3237) o Guaranteed Data Rate: 120kbps (MAX3222/MAX3232/MAX3241) 250kbps (MAX3237—Normal Operation) 1Mbps (MAX3237—MegaBaud Operation) o 1µA Low-Power Shutdown with Receivers Active (MAX3222/MAX3237/MAX3241) o Flow-Through Pinout (MAX3237) o Meets EIA/TIA-232 Specifications Down to 3.0V o Guaranteed Mouse Driveability (MAX3241) o Pin Compatible with Industry-Standard MAX232 (MAX3232) Pin Compatible with Industry-Standard MAX242 (MAX3222) o Guaranteed Slew Rate: 6V/µs (MAX3222/MAX3232/MAX3237/MAX3241) 24V/µs (MAX3237—MegaBaud Operation) 3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1µF External Capacitors ________________________________________________________________ Maxim Integrated Products 1 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 SHDN VCC GND T1OUT C1- V+ C1+ EN TOP VIEW R1IN R1OUT T1IN T2IN T2OUT V- C2- C2+ 10 9 R2OUT R2IN DIP/SO MAX3222 _________________Pin Configurations ______________Ordering Information 19-0273; Rev 5; 3/99 PART TEMP. RANGE PIN-PACKAGE MegaBaud is a trademark of Maxim Integrated Products. *Covered by U.S. Patent numbers 4,636,930; 4,679,134; 4,777,577; 4,797,899; 4,809,152; 4,897,774; 4,999,761; and other patents pending. Typical Operating Circuits appear at end of data sheet. Pin Configurations continued at end of data sheet. Ordering Information continued at end of data sheet. MAX3222CUP 0°C to +70°C 20 TSSOP MAX3222CAP 0°C to +70°C 20 SSOP MAX3222CWN 0°C to +70°C 18 SO MAX3222CPN 0°C to +70°C 18 Plastic DIP |
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