Key facts
- Brand
- Maxim
- Model
- MAX3238
- Industry
- Industrial
- Documents
- 3
- Languages
- EN
- Last added
- 2012-05-08
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Maxim MAX3238 RS-232 Transceiver Datasheet
The MAX3238 is a true RS‑232 transceiver that operates from 3.0 V to 5.5 V and achieves a 1 µA supply current in AutoShutdown Plus mode. It provides a 5‑driver/3‑receiver serial port, a guaranteed 250 kbps data rate, and a dual charge‑pump power supply for true RS‑232 levels.
Key features include the AutoShutdown Plus power‑saving function, an always‑active non‑inverting receiver output (R1OUTB), flow‑through pinout, and compatibility with notebook, sub‑notebook and handheld applications. The device is offered in a space‑saving SSOP28 package and includes detailed electrical characteristics, pin descriptions, and recommended capacitor values for optimal performance.
Maxim MAX3238 specifications
| Supply current (AutoShutdown Plus) | 1 µA |
|---|---|
| Guaranteed data rate | 250 kbps |
| Supply voltage range | +3.0 V to +5.5 V |
| Drivers / Receivers | 5 drivers, 3 receivers |
| Package type | 28‑lead SSOP |
| Operating temperature (MAX3238CAl) | 0 °C to +70 °C |
| Operating temperature (MAX3238EAl) | -40 °C to +85 °C |
| Input voltage range | -25 V to +25 V |
All Maxim MAX3238 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the supply current of the MAX3238 in AutoShutdown Plus mode?
The device draws only 1 µA when AutoShutdown Plus is active.
What data rate does the MAX3238 guarantee?
It guarantees a data rate of 250 kbps.
What data rate does the MAX3238 guarantee?
The device guarantees a data rate of 250 kbps.
How many drivers and receivers are integrated in the MAX3238?
The MAX3238 includes five drivers and three receivers.