MAX233ACPP+G36

Overview

The MAX233ACPP+G36 is a dual-channel RS-232 transceiver manufactured by Analog Devices Inc./Maxim Integrated. It operates on a single +5V supply and integrates internal charge-pump circuitry to generate the required ±10V levels, eliminating external capacitors. The device features two drivers and two receivers with full-duplex communication capability. Electrical specifications include a typical data rate of 120 kbps, a maximum propagation delay of 3.5 µs for both transmit and receive paths, and an input voltage operating range of ±30V. The component is housed in a 20-pin Plastic DIP package and supports an industrial temperature range from -40°C to +85°C.

Feature Summary

• Integrated charge pump eliminates the need for external capacitors or bipolar power supplies
• Single +5V supply operation simplifies system design and reduces board space
• Full-duplex communication with independent drivers and receivers
• High noise immunity with ±30V receiver input voltage operating range

Applications

• Interface translation between TTL/CMOS logic and RS-232 serial ports
• Multidrop RS-232 network communications
• Portable diagnostic equipment requiring compact interface solutions

Procurement Notes

Verify the specific suffix G36 against the manufacturer's current ordering information to confirm lead-free status and RoHS compliance. Confirm that the AC designation matches the required -40°C to +85°C temperature range for your application environment. Ensure the PDIP-20 through-hole package aligns with your PCB footprint requirements.

Selection Notes

Select this component when minimizing printed circuit board area is critical due to its integrated capacitor architecture. It is suitable for applications requiring robust EIA/TIA-232E compatibility without the complexity of generating negative voltages. Consider the 120 kbps data rate limit and ensure it meets the throughput requirements of the target serial communication protocol.

Part Context

This part belongs to the MAX220–MAX249 family of +5V-powered multichannel RS-232 drivers and receivers. The MAX233 variant specifically provides two channels and utilizes internal capacitors, distinguishing it from parts like the MAX232 which require external components. The 'A' prefix typically denotes improved electrical characteristics within the family.

Replacement Considerations

Public confirmed substitutes include the MAX232ACPE+G36 (requires external capacitors) and the MAX233AEPP+G36 (extended temperature range). Verify pinout compatibility and thermal performance when substituting.