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MAX3221EAE The MAX3221EAE is a 1-driver/1-receiver RS-232 transceiver from Maxim Integrated. It operates from a single +3.0V to +5.5V supply and features a low 1µA supply current in shutdown mode.
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MAX3221EAE

Available from 1 distributors
Mfr Name: MAX
MAX
The MAX3221EAE is a 1-driver/1-receiver RS-232 transceiver from Maxim Integrated. It operates from a single +3.0V to +5.5V supply and features a low 1µA supply current in shutdown mode.
✓ Total Stock: 5 pcs
$ Price Range: $2.21

MAX3221EAE Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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5 pcs
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MAX3221EAE Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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AEC Qualified
Automotive Grade
Industrial Grade
Medical Grade
Military Grade
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Tape & Reel
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MAX3221EAE Description

Short technical summary and product information.

The MAX3221EAE is a single-chip, 1-driver, 1-receiver RS-232 transceiver designed for battery-powered and hand-held equipment. It operates from a wide input voltage range of +3.0V to +5.5V, simplifying power requirements by eliminating the need for a ±12V supply.

 

A key feature is Maxim's AutoShutdown™ technology, which reduces the supply current to 1µA when no valid signal is detected on the receiver inputs. This power-saving feature is automatically enabled after 30µs of inactivity and can also be software-controlled.

 

The device is available in a compact 16-pin TSSOP package, suitable for space-constrained applications. Its integrated charge pump circuitry and low-dropout transmitter ensure true RS-232 performance from a single supply.

 

Applications include battery-powered equipment, hand-held devices, and portable diagnostic equipment where low power consumption and reliable serial communication are essential.

MAX3221EAE Quick Information

Product Type: RS-232 Transceiver
Canonical Name: MAX3221EAE RS-232 Transceiver
Subcategory: RS-232 Transceivers

MAX3221EAE Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX3221EAE Estimated Pricing

Qty Low High
1+ $2.21 $2.21

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

MAX3221EAE Features

  • Single 3.0V to 5.5V supply operation
  • 1µA supply current in shutdown mode
  • AutoShutdown™ feature for power saving
  • 1-driver, 1-receiver configuration
  • 16-TSSOP package for compact designs

MAX3221EAE Applications

  • Ideal for battery-powered equipment
  • Suitable for hand-held devices
  • Used in portable diagnostics
  • Enables reliable serial communication

MAX3221EAE FAQs

4 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the MAX3221EAE?

The MAX3221EAE operates from a supply voltage range of 3.0V to 5.5V.

What is the supply current in shutdown mode?

The supply current in shutdown mode is 1µA, thanks to the AutoShutdown™ feature.

How many drivers and receivers does the MAX3221EAE have?

The MAX3221EAE has 1 driver and 1 receiver.

What package type is the MAX3221EAE available in?

The MAX3221EAE is available in a 16-TSSOP package.

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