Mfr Part #:

MAX3221ECAE+

Mfr Name: MAX

The MAX3221ECAE+ from MAX is a 3V-powered RS-232 transceiver with a single driver and receiver. It offers low power consumption with a 1µA shutdown current and enhanced ESD protection.

✓ Total Stock: 20 pcs

$ Price Range: $2.21

MAX3221ECAE+ Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Partservice ✓ Non-Authorised Inventory information	20 pcs On Request	20 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

MAX3221ECAE+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	MAX
Data Rate	250kbps
Storage Temperature	°C ~ °C
Supply Current	1µA
Supply Voltage	3.0V to 5.5V
Tape & Reel	No

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MAX3221ECAE+ Description

Short technical summary and product information.

The MAX3221ECAE+ is a 3V-powered EIA/TIA-232 communications interface transceiver from Maxim Integrated Products. It features automatic shutdown and wakeup capabilities, achieving a low supply current of 1µA in shutdown mode thanks to its AutoShutdown™ feature. This device is designed for high data-rate capabilities and enhanced electrostatic discharge (ESD) protection, rated up to ±15kV using IEC 1000-4-2 Air-Gap Discharge and Human Body Model.

This specific model, the MAX3221E, contains one driver and one receiver, making it suitable for space-constrained applications. It operates from a +3.0V to +5.5V supply and maintains true RS-232 performance at data rates of 250kbps. The transceiver is available in space-saving TQFN, SSOP, and TSSOP packages, making it ideal for battery-powered equipment, handheld devices, and portable computers.

Key electrical characteristics include a 3V nominal supply voltage and a wide operating range from 3.0V to 5.5V. The device boasts robust ESD protection on all transmitter outputs and receiver inputs. Its low power consumption in shutdown mode makes it an efficient choice for power-sensitive designs.

MAX3221ECAE+ Quick Information

Product Type: RS-232 Transceiver

Canonical Name: MAX3221ECAE+ 3V RS-232 Transceiver

MAX3221ECAE+ Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MAX3221ECAE+ Estimated Pricing

Qty	Low	High
1+	$2.21	$2.21

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX3221ECAE+ Features

3V-powered RS-232 transceiver.
1 driver and 1 receiver configuration.
1µA supply current in shutdown mode.
±15kV ESD protection on I/O pins.
Operates from 3.0V to 5.5V supply.

MAX3221ECAE+ Applications

Ideal for battery-powered equipment.
Suitable for handheld devices.
Used in notebook computers.
Enables serial communication interfaces.

MAX3221ECAE+ FAQs

6 frequently asked questions generated from this part’s specifications.

What is the supply voltage for the MAX3221ECAE+?

The MAX3221ECAE+ operates from a 3V supply and supports a range of 3.0V to 5.5V.

What is the data rate capability of the MAX3221ECAE+?

The MAX3221ECAE+ is guaranteed to run at data rates of 250kbps.

What is the shutdown current for the MAX3221ECAE+?

The MAX3221ECAE+ achieves a 1µA supply current with its AutoShutdown™ feature.

What level of ESD protection does the MAX3221ECAE+ offer?

The MAX3221ECAE+ offers ±15kV ESD protection using IEC 1000-4-2 Air-Gap Discharge and Human Body Model, and ±8kV using IEC 1000-4-2 Contact Discharge.

How many drivers and receivers does the MAX3221ECAE+ have?

The MAX3221ECAE+ contains one driver and one receiver.

What packages are available for the MAX3221ECAE+?

The MAX3221ECAE+ is available in TQFN, SSOP, and TSSOP packages.