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The MAX3232CAE+ is a low-power, true RS-232 transceiver manufactured by Analog Devices Inc. (Maxim Integrated). It features two drivers and two receivers operating from a single 3.0V to 5.5V supply. The device utilizes an internal dual charge pump requiring only four external 0.1µF capacitors. It guarantees data rates up to 120kbps with worst-case loads of 3kΩ in parallel with 1000pF, while typical operation supports up to 235kbps. The component operates within a temperature range of 0°C to +70°C and is housed in a 16-pin SSOP package.
Verify that the ordering suffix 'AE' corresponds to the specific 16-pin SSOP package variant required for your design. Confirm the temperature grade matches the application environment, as the 'C' designation indicates commercial range. Ensure the lead-free status aligns with manufacturing compliance requirements.
Select this component when interfacing TTL/CMOS logic with RS-232 ports using a single voltage source between 3.0V and 5.5V. It serves as a direct replacement for the legacy MAX232 in space-constrained designs. Consider alternative variants if higher data rates or extended temperature ranges are necessary.
This part belongs to the MAX3222/MAX3232/MAX3237/MAX3241 family of low-power RS-232 transceivers. The MAX3232 specifically provides two channels, distinguishing it from the single-channel MAX3222 and multi-channel MAX3237/MAX3241 models within the same series.
Public confirmed substitute part numbers include MAX3232CSE+, MAX3232CWE+, and MAX3232CPE+. These variants offer identical electrical characteristics but differ in package type, such as Narrow SO, Wide SO, or Plastic DIP.