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Part No MAX3223CPA
Manufacturer Maxim Integrated
Catalog MAX series
Rohs State Need to verify

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Products specifications

RoHS State Request Verification
Manufacturer Maxim Integrated
Win Source Part Number 703033-MAX3223CPA
Series MAX series
Popularity Low
Fake Threat In the Open Market 43 pct.
Supply and Demand Status Limited


The MAX3223CPA is a high-performance RS-232 Interface IC designed and manufactured by Maxim Integrated, a reputable company known for its innovative and reliable integrated circuits. This device is tailored for applications that require efficient serial communication and is particularly suitable for battery-powered devices due to its low-power consumption.

Key Features

  • Low Power: The MAX3223CPA features a low-power shutdown mode which significantly reduces power consumption when not in active use, making it ideal for portable and power-sensitive applications.
  • High Data Rate: Capable of supporting data rates up to 120kbps, this IC is well-suited for high-speed data communication.
  • ESD Protection: It offers an integrated electrostatic discharge (ESD) protection circuitry that can withstand ±15kV ESD hits, thus ensuring robust performance in harsh environments.
  • Receiver Hysteresis: The device includes a built-in hysteresis to improve noise rejection, enhancing the integrity of the data received.
  • Multiple Drivers and Receivers: The MAX3223CPA features two drivers and two receivers, providing the flexibility to interface with multiple RS-232 connections.
  • Small Package: Available in a compact PDIP-16 package, this IC saves valuable board space in densely packed designs.


The versatility of the MAX3223CPA makes it suitable for a wide range of applications including, but not limited to:

  • Battery-Powered Equipment
  • Handheld Devices
  • Data Cable Extensions
  • Notebook, Laptop, and Palmtop Computers
  • Peripherals

Technical Specifications

Parameter Value
Supply Voltage Range 3.0V to 5.5V
Operating Temperature 0°C to +70°C
Package Type PDIP-16

The MAX3223CPA from Maxim Integrated stands out as a reliable and efficient solution for serial communication in a variety of electronic devices. With its robust feature set and Maxim Integrated's reputation for quality, this Interface IC is an excellent choice for designers looking to incorporate RS-232 communication into their projects.

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