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3- to 5.5-V dual channel 250kbps RS-232 line driver/receiver with +/-15-kV ESD protection

MAX3223CDB General Description

Additionally, the MAX3223CDB boasts impressive operating parameters, supporting data signaling rates of up to 250 kbit/s and a maximum driver output slew rate of 30-V/µs. This ensures reliable and high-speed data transmission, making the device suitable for a wide range of applications requiring efficient serial communication. Whether in industrial, commercial, or consumer electronics settings, the MAX3223CDB delivers consistent performance and seamless connectivity

Key Features

  • RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM)
  • Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards
  • Operates With 3-V to 5.5-V VCC Supply
  • Operates up to 250 kbit/s
  • Two Drivers and Two Receivers
  • Low Standby Current .1 µA Typical
  • External Capacitors .4 × 0.1 µF
  • Accepts 5-V Logic Input With 3.3-V Supply
  • Alternative High-Speed Pin-Compatible Device (1 Mbit/s)
    • SNx5C3223
  • Applications
    • Battery-Powered Systems, PDAs, Notebooks, Laptops, Palmtop PCs, and Hand-Held Equipment


Logic voltage (min) (V) 3.3 Data rate (max) (MBps) 0.25
Main supply voltage (nom) (V) 3.3, 5 Features Auto-Powerdown
ESD HBM (kV) 15 Rating Catalog
Operating temperature range (°C) -40 to 85, 0 to 70 Vout (typ) (V) 5.4
Product Category RS-232 Interface IC Mounting Style SMD/SMT
Series MAX3223 Function Transceiver
Data Rate 250 kb/s Number of Drivers 2 Driver
Number of Receivers 2 Receiver Duplex Full Duplex
Supply Voltage - Max 5.5 V Supply Voltage - Min 3 V
Operating Supply Current 1 mA Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C ESD Protection 15 kV
Height 1.95 mm Length 7.2 mm
Operating Supply Voltage 3.3 V, 5 V Product RS-232 Transceivers
Product Type RS-232 Interface IC Shutdown With Shutdown
Factory Pack Quantity 70 Subcategory Interface ICs
Supply Type Single Supply Width 5.3 mm
Unit Weight 0.005527 oz

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AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.

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