MAX3233ECWP Maxim Integrated Products, MAX3233ECWP Datasheet
MAX3233ECWP
Specifications of MAX3233ECWP
Available stocks
Related parts for MAX3233ECWP
MAX3233ECWP Summary of contents
Page 1
... Subnotebook and Palmtop Computers Cellular Phones Battery-Powered Equipment Handheld Equipment Peripherals Embedded Systems _______________Ordering Information PART TEMP RANGE MAX3233ECWP 0°C to +70°C MAX3233ECPP 0°C to +70°C MAX3233EEWP -40°C to +85°C MAX3233EEPP -40°C to +85°C Ordering Information continued at end of data sheet. AutoShutdown Plus is a trademark of Maxim Integrated Products, Inc. ...
Page 2
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors ABSOLUTE MAXIMUM RATINGS V to GND (MAX3233E).........................................-0. GND (MAX3235E).........................................-0. GND (Note 1) ..................................................-0. GND (Note ...
Page 3
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors ELECTRICAL CHARACTERISTICS (continued +3.0V to +3.6V for MAX3233E ues are +25°C.) A PARAMETER SYMBOL TRANSMITTER OUTPUTS Output Voltage Swing Output Resistance Output ...
Page 4
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors TIMING CHARACTERISTICS (V = +3.0V to +3.6V for MAX3233E ues are +25°C.) A PARAMETER SYMBOL Maximum Data Rate t PHL Receiver Propagation Delay t ...
Page 5
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors ______________________________________________________________Pin Description PIN NAME 1 R2OUT 6 R1OUT INVALID 2 3 T2IN 4 T1IN 5 FORCEON 7 T1OUT 19 T2OUT 8 R1IN 20 R2IN FORCEOFF 10 ...
Page 6
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors _______________Detailed Description Dual Charge-Pump Voltage Converter The MAX3233E/MAX3235E’s internal power supply consists of a regulated dual charge pump that provides output voltages of +5.5V (doubling charge pump) and -5.5V ...
Page 7
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors Table 1. Output Control Truth Table OPERATION STATUS FORCEON Shutdown (Forced Off) Normal Operation (Forced On) Normal Operation (AutoShutdown Plus) Shutdown (AutoShutdown Plus) INVALID* Normal Operation INVALID* Normal Operation ...
Page 8
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors By connecting FORCEON to INVALID, the device shuts down when no valid receiver level and no receiver or transmitter edge is detected for 30sec. It wakes up when a ...
Page 9
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors POWER- MASTER SHDN LINE MANAGEMENT 0.1µF UNIT FORCEOFF MAX3233E MAX3235E Figure 4. AutoShutdown Plus Initial Turn-On to Wake Up Another System R 1MΩ R 1500Ω DISCHARGE CHARGE-CURRENT ...
Page 10
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors I 100% 90% 10 0.7ns to 1ns 30ns 60ns Figure 6b. IEC 1000-4-2 ESD Generator Current Waveform 5V/div 0 FORCEON = FORCEOFF 2V/div ...
Page 11
ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual RS-232 Transceivers with Internal Capacitors Each transmitter is loaded with 3kΩ in parallel with 1000pF. The transmitter outputs display no ringing or undesirable transients as they come out of shutdown. Note that the transmitters ...
Page 12
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circu 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 12 © ...