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MAX13237EETE
3Mbps RS-232 Transceivers with Low-Voltage Interface, ±15kV HBM ESD MAX13234E–MAX13237E General Description Benefits and Features The MAX13234E-MAX13237E are a family of 2x2 and 1x1 RS-232 and V.28/V.24 transceivers with high speed data rates up to 3Mbps that operate from either a 3.3V or 5V supply. All devices achieve a 1µA supply current using Maxim’s AutoShutdown Plus™ feature. These devices automatically enter a low-power shutdown mode when the RS-232 cable is disconnected or the devices driving the transmitter and receiver inputs are inactive for more than 30s. • Data Rate Up to 3Mbps for Faster Throughput • Saves Board Space The MAX13234E–MAX13237E are available in spacesaving TQFN and TSSOP packages and operate over the -40°C to +85°C temperature range. • Integrated Low-Voltage Logic for Easy Interface with ASICs and Microcontrollers • Integrated ±15kV HBM ESD Protection • Integrated Charge-Pump Circuitry Requiring Only • • • • Applications • • • • • • • • Four External 0.1µF Capacitors for 3.3V Operation +3V to +5.5V Supply Voltage AutoShutdown Plus Achieves 1µA Shutdown Current Reduces Power Consumption Available in 20-pin TSSOP, TQFN-EP, and 16-pin TQFN -40°C to +85°C Operating Temperature Functional Diagrams Telematics GPS Systems Industrial Systems Portable Devices Wireless Modules POS Systems Communication Systems Data Cables 1.62V to VCC 3.0V to 5.5V CBYPASS2 CBYPASS1 VL VCC C1+ V+ C1 C3 C1- MAX13234E MAX13235E C2+ V- C2 C4 C2T1IN T1OUT T2IN T2OUT RS-232 OUTPUTS R1OUT TTL/CMOS OUTPUTS R2OUT LOGIC-LEVEL TRANSLATION TTL/CMOS INPUTS R1IN 5kΩ RS-232 INPUTS R2IN FORCEOFF 5kΩ FORCEON READY GND Functional Diagrams continued at end of data sheet. Ordering Information/Selector Guide DRIVERS/ RECEIVERS MAXIMUM DATA RATE TEMP RANGE PIN-PACKAGE MAX13234EEUP+ 2x2 250kbps -40°C to +85°C 20 TSSOP MAX13234EETP+ 2x2 250kbps -40°C to +85°C 20 TQFN-EP* MAX13235EEUP+ 2x2 3Mbps -40°C to +85°C 20 TSSOP PART MAX13235EETP+ 2x2 3Mbps -40°C to +85°C 20 TQFN-EP* MAX13236EETE+ 1x1 250kbps -40°C to +85°C 16 TQFN-EP* MAX13237EETE+ 1x1 3Mbps -40°C to +85°C 16 TQFN-EP* +Denotes a lead-free/RoHS-compliant package. *EP = Exposed pad. 19-4343; Rev 1; 1/15
MAXIM
Maxim Integrated
U.S.A
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