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Embedded Ethernet ICs
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Home >> Products >> I/O Connectivity ICs >> RS-232/RS-485 Transceivers >> 3V RS232 Transceiver >> ZT3222F

 ZT3222F -- Low Power +3V to +5.5V, 1000Kbps RS232 Transceivers (Features 18/20-pin, Receiver Enable)

The ZT32xxF series devices are 3V powered EIA/TIA-232 and V.28/V.24 communication interfaces with low power requirements. They consist of two line drivers, two line receivers and the proprietary switch-capacitor regulated voltage converters. The ZT3220F has a 1Tx and 1Rx configuration. These devices operate from a single 3V to 5.5V power supply at the guaranteed data rate of 1000K bits/sec with enhanced electrostatic discharge (ESD) protection in all RS232 I/O pins exceeding ±15kV EN61000-4-2 Air Gap Discharge and ±8kV EN61000-4-2 Contact Discharge.

The ZT3221F and ZT3223F features the AUTOGREEN (patent pending) proprietary function which automatically powers down the on-chip regulated voltage converters and driver circuits when an RS-232 cable is disconnected from the host interface or when a connected peripheral device is turned off.

Feature:

  • Meets EIA/TIA-232F and CCITT V.28/V.24 specifications for Vcc at +3.3V ±10% and +5V ±10%
  • Low Quiescent Current: 0.5mA typ., 1mA max
  • Low Shutdown Current (where applicable): 1µA typical, 10µA max
  • Guaranteed High Data Rate 1000Kbps
  • Proprietary Switch-Capacitor Regulated Voltage Converters (patent pending)
  • Proprietary AUTOGREEN Power Saving (patent pending)
  • Latch-up Free
  • ESD Protection for RS-232 I/O’s
    • ±15kV Human Body Model (HBM)
    • ±15kV EN61000-4-2 Air Gap Discharge
    • ±8kV EN61000-4-2 Contact Discharge
  • Drop-in Replacements for MAX3220E, SP3220E, MAX3221E, ICL3221E, MAX3222E, ICL3222E, SP3222EU, MAX3223E, ICL3223E, SP3223EU, MAX3232E, ICL3232E, SP3232EU, LT1385 and SP385E
  • Standard Data Rate at 250Kbps Available on ZT32xxE Series
Target Applications:
  • Battery-Powered And Hand-Held Applications
  • Notebooks, Subnotebooks, and Palmtops
  • Industrial and Embedded PCs
  • Data Cables for Cell Phones and PDAs
  • Terminal Adapters and POS terminals
  • Peripherals interface
  • Routers and HUBs

 Pin Configuration and Application Diagram

ZT3222F_Typical_Application_Circuits.jpg

 Selection Guide

IO_3V_RS232_Selection_Guide.jpg

Technical Documentation

 Product Brief, Product Introduction and Datasheet

ZT3222F Brief76.9 KB2015-04-30
Download
ZT3222F Datasheet 2 MB2015-04-21
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