A manufacturer of portable ECG devices switched from MAX3232 to SP3232E after field failures due to ESD from patient cables. Failure rate dropped from 2.5% to 0.1% over 12 months.
Both families offer "E" suffixes (e.g., or SP3232E ) that include enhanced electrostatic discharge (ESD) protection up to ±15kVplus or minus 15 k cap V sp3232+vs+max3232+exclusive
Stop reading datasheets. Use this exclusive decision flowchart. A manufacturer of portable ECG devices switched from
. While they are pin-compatible and often used interchangeably in serial modules, they differ primarily in their minimum operating voltage and manufacturer-specific naming conventions. TI E2E support forums Key Technical Differences MAX3222/MAX3232/MAX3237/MAX3241 * sp3232+vs+max3232+exclusive
SP3232 vs MAX3232: A Comprehensive Comparison of RS-232 Transceivers