MAX232IN Part Information
Details for MAX232IN by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs
Part Description
The MAX232 device is a dual driver/receiver that includes a capacitive voltage generator to supply TIA/EIA-232-F voltage levels from a single 5-V supply. Each receiver converts TIA/EIA-232-F inputs to 5-V TTL/CMOS levels. These receivers have 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/EIA-232-F levels.
Part Downloads
Download PCB Footprint from Ultra Librarian
Part Features
- ESD Protection Exceeds JESD 22 u2013 2000-V Human-Body Model (A114-A)
- Low Supply Current: 8 mA Typical
- Meets or Exceeds TIA/EIA-232-F and ITU Recommendation V.28
- Operates From a Single 5-V Power Supply With 1.0-u00b5F Charge-Pump Capacitors
- Operates up to 120 kbit/s
- Two Drivers and Two Receivers
- Upgrade With Improved ESD (15-kV HBM) and
- u00b130-V Input Levels
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 | -40°C |
| Operating Temperature Max | 85°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| MSL | - |
| IC Generic Number | MAX232 |
| SVHC | No SVHC (27-Jun-2018) |
| RoHS Phthalates Compliant | Yes |
| Base Number | 232 |
| Data Rate | 120Kbps |
| Operating Temperature Range | -40°C to +85°C |
| Propagation Delay | 500ns |
| Supply Current | 8mA |
| Supply Voltage Range | 4.5V to 5.5V |
| Termination Type | Through Hole |
Alternative Part Descriptions
- Line Transmitter/Receiver 2TR 2TX 2RX | RS Components
- RS232 DRIVER / RECEIVER, DUAL, 16DIP; 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
- 5-V dual channel 120kbps RS-232 line driver/receiver with +/-9V output & +/-2-kV ESD protection | Texas Instruments
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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.