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The MAX3232EIDBR is an automotive-grade RS-232 transceiver manufactured by Texas Instruments. It operates on a single 3V to 5.5V supply and supports data rates up to 250kbit/s with a maximum slew rate of 30V/μs. The device integrates two drivers and two receivers, featuring ±15kV IEC ESD protection on all serial port pins. It requires four external capacitors (typically 4 × 0.1μF) for the dual charge pump circuit. The component functions within a temperature range of -40°C to +85°C and utilizes a TSSOP-16 package.
Verify that the specific part number suffix corresponds to the required packaging format and material specifications. Confirm compliance with RoHS directives and lead finish requirements before procurement. Ensure the ordering information matches the intended application environment and thermal constraints.
Select this component when automotive reliability and robust ESD protection are critical. Verify that the system voltage falls within the 3V to 5.5V operating range. Consider the TSSOP-16 package dimensions for PCB layout compatibility. Evaluate the need for the specific automotive grade versus standard commercial variants based on environmental stress requirements.
This device belongs to the MAX3232 family of multichannel RS-232 line drivers and receivers. It shares functional similarities with the MAX3232E but includes additional automotive qualification features. The 'Q1' designation indicates it meets specific automotive quality standards defined by Texas Instruments.
The SNx5C3232 is identified as a pin-compatible alternative offering higher data rates. Catalog versions such as MAX3232E may serve as substitutes if automotive qualification is not required.