MAX202EWE+T

Drivers, Receivers, Transceivers Overview

The MAX202EWE+T is a +5V-powered, full-duplex RS-232 transceiver manufactured by Analog Devices Inc./Maxim Integrated. It features two drivers and two receivers operating at data rates up to 120kbps. The device utilizes an integrated charge pump requiring four external 0.1µF capacitors to generate ±10V supplies from a single +5V input (4.5V to 5.5V). It operates within a temperature range of -40°C to +85°C, draws 15mA typical supply current, and has a propagation delay of 10µs. The component is housed in a 16-pin Wide SO package.

Drivers, Receivers, Transceivers Feature Summary

• Integrated charge pump circuitry eliminates the need for bipolar ±12V supplies
• Maintains ±5V EIA/TIA-232E output signal levels under specified loads
• Provides TTL/CMOS compatible inputs with internal pullup resistors

Drivers, Receivers, Transceivers Applications

• Battery-powered equipment
• Handheld equipment
• Portable diagnostics equipment

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and temperature grade. Confirm RoHS compliance status through manufacturer certificates. Ensure the source document matches the exact part number to avoid discrepancies in pinout or electrical characteristics.

Drivers, Receivers, Transceivers Selection Notes

Select this component when a single +5V supply is available and board space allows for four external capacitors. Compare against MAX203/MAX205 if zero external components are required. Verify that the 120kbps maximum data rate meets system requirements.

Drivers, Receivers, Transceivers Part Context

This device belongs to the MAX200-MAX209 family of RS-232 transceivers. It shares the same core architecture as other members like the MAX202CSE but differs in package style and temperature rating. The 'E' suffix indicates the extended industrial temperature range.

Drivers, Receivers, Transceivers Replacement Considerations

MAX202ESE+T

Drivers, Receivers, Transceivers FAQ

Does the MAX202EWE+T include internal shutdown functionality?

No, the standard MAX202 does not include a shutdown pin. Only specific variants like the MAX200, MAX205, MAX206, MAX211, and MAX213 feature low-power shutdown modes.

What is the function of the external capacitors connected to C1 and C2?

The four external 0.1µF capacitors form the dual charge-pump voltage converter. They double the +5V input to +10V and invert it to -10V to power the RS-232 drivers.