MAX232ECN Part Information

Details for MAX232ECN by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs

Part Description

The MAX232E is a dual driver and receiver that includes a capacitive voltage generator to supply RS232-F compliant voltage levels from a single 5-V supply. Each receiver converts RS-232 inputs to 5-V TTL/CMOS levels. This receiver has a typical threshold of 1.3 V, a typical hysteresis of 0.5 V, and can accept ±30-V inputs. Each driver converts TTL/CMOS input levels into TIA/RS-232-F levels.

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Part Features

  • ESD Protection for RS-232 Bus Pins u2013 u00b115-kV Human-Body Model (HBM) u2013 u00b18-kV IEC61000-4-2, Contact Discharge u2013 u00b115-kV IEC61000-4-2, Air-Gap Discharge
  • Low Supply Current: 8 mA Typical
  • Meets or Exceeds TIA/RS-232-F and ITU Recommendation V.28
  • Operates From a Single 5-V Power Supply With 1-u00b5F Charge-Pump Capacitors
  • Operates up to 250 kbit/s
  • Two Drivers and Two Receivers

Part Specifications

Device Type RS232 Transceiver
IC Interface Type RS232
No. of Drivers 2Drivers
No. of Receivers 2Receivers
Supply Voltage Min 4.5V
Supply Voltage Max 5.5V
Driver Case Style DIP
No. of Pins 16Pins
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
MSL -
IC Generic Number MAX232E
SVHC No SVHC (27-Jun-2018)
RoHS Phthalates Compliant Yes
RoHS Compliant

Alternative Part Descriptions

  • TRANSCEIVER, RS232, 250KBPS, 5V, DIP-16; Device Type:RS232 Transceiver; IC Interface Type:RS232; No. of Drivers:2Drivers; No. of Receivers:2Receivers; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Driver Case Style:DIP; No. of RoHS Compliant: Yes | Newark Electronics
  • Dual Transmitter/Receiver RS-232 16-Pin PDIP Tube | Avnet America
  • 5-V dual channel 250kbps RS-232 line driver/receiver with +/-9V output & +/-15-kV IEC-ESD protection | Texas Instruments

Engineeer Comments

RS232 is, in many ways, a living fossil. While the relatively low data rates don't qualify the protocol as a high-speed communication interface, it's robustness and ease of implementation nevertheless make it attractive.

One of Dallas Maxim's absolute evergreens is the MAX232- a nifty transceiver IC which makes use of a capacitor based voltage boosting circuit to generate the voltage levels needed for fullly protocol compliant RS232 communication.

Having a second source makes evergreens even more popular. Texas Instruments is an international semiconductor powerhouse, and has been offering a second source alternative for quite some time. If you ever need to perform a fully protocol compliant RS232 communication and don't have access to the needed voltage levels, don't burden your design with complex boost regulators.

Instead, do it like the elders have done - a MAX232, a few capacitors, and have a happy day. The part is available in a DIP housing: convenient for small scale production and prototyping.

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