Texas Instruments MAX232/MAX2321 Dual EIA-232 Driver/Receiver Datasheet

About this manual

The MAX232 and MAX2321 are dual driver/receiver ICs that provide EIA‑232 voltage levels from a single 5‑V supply. They support up to 120 kbit/s data rates and include built‑in charge‑pump capacitors for level conversion.

The document lists ordering information, electrical characteristics, absolute maximum ratings, recommended operating conditions, driver and receiver specifications, as well as packaging options and mechanical dimensions.

What's inside

• Applications
• Ordering Information
• Absolute Maximum Ratings
• Recommended Operating Conditions
• Driver Section
• Receiver Section
• Parameter Measurement Information
• Packaging Information
• Mechanical Data
• Important Notice

Specifications

Frequently asked questions

What supply voltage does the MAX232 operate from?

It operates from a single 5‑V supply, with a recommended range of 4.5 V to 5.5 V.

What is the maximum data rate supported by the MAX232?

The device can handle data rates up to 120 kbit/s.

How much typical supply current does the MAX232 draw?

Typical supply current is about 8 mA.