Key Selection Information
| Selection Parameter | Confirmed Information |
|---|---|
| Interface | True RS-232 transceiver |
| Supply Voltage | 3.0 V to 5.5 V family range |
| Data Rate | Up to 1 Mbps family capability |
| Drivers / Receivers | 2 drivers / 2 receivers |
| Charge Pump | Integrated |
| Package | 16-pin narrow SOIC, tape and reel |
| Product Status | Production on current Analog Devices product page |
Product Overview
MAX3232ESE+T is the industrial-temperature narrow-SOIC tape-and-reel version of the MAX3232 true RS-232 transceiver family, originally from Maxim Integrated and now supported by Analog Devices. It translates logic-level serial signals to and from RS-232 voltage levels while operating from a single 3.0 V to 5.5 V supply.
The integrated charge pump removes the need for separate positive and negative RS-232 supply rails, but external charge-pump capacitors are still part of the implementation and should follow the datasheet value and placement guidance.
Technical Specifications
| Group | Parameter | Value / Condition |
|---|---|---|
| Interface | Standard | RS-232 |
| Supply | Operating range | 3.0 V to 5.5 V |
| Channels | Drivers / receivers | 2 / 2 |
| Data | Family maximum rate | Up to 1 Mbps |
| Voltage generation | Charge pump | Integrated |
| Package | Type | 16-pin narrow SOIC |
| Packing | Format | Tape and reel |
| Lifecycle | Current ADI listing | Production |
Functional Highlights
Single low-voltage supply generates RS-232 signal levels
The on-chip charge pump creates the positive and negative internal voltages needed by the RS-232 drivers from a 3.0 V to 5.5 V supply.
Two-driver/two-receiver architecture suits common UART links
The channel count supports a conventional transmit/receive path plus additional handshake or control signals when needed by the system.
Applications / Application Fit
- MCU or processor UART to RS-232 interfaces
- Industrial equipment service ports
- Legacy serial communication ports using 3.3 V or 5 V logic systems
Design Considerations
Use the datasheet-recommended charge-pump capacitor values for the selected supply range and data-rate requirement.
Keep charge-pump capacitors close to the device and minimize noisy switching loops.
Confirm connector pinout, ESD/transient requirements and ground reference separately from the transceiver IC selection.
Related Engineering Resources
- Analog Devices MAX3232 official product page — current manufacturer-controlled product information, orderable models and datasheet.
Quality & Verification Support
Third-party inspection or testing can be arranged according to customer requirements. Testing fees are borne by the buyer. Additional verification requirements can be discussed before shipment. After an order is placed, physical product, label, packaging, and Date Code photos may be provided where appropriate.
Request a Quote
To request a quotation, provide the manufacturer part number, required quantity, destination, target Date Code if applicable, and any testing or inspection requirements.
