MAX3314ECSA+

Overview

The MAX3314ECSA+ is an RS-232-compatible transceiver manufactured by Analog Devices Inc./Maxim Integrated, housed in an 8-pin SO package. It operates with a positive supply voltage range of 4.75V to 5.25V and a negative supply voltage range of -4.75V to -5.25V. The device features one transmitter and one receiver, supporting data rates up to 460kbps. Operating supply current is typically 30µA for the positive rail and 15µA for the negative rail. In shutdown mode, supply current reduces to 1µA. The transmitter output swing is ±3.7V under worst-case loads of 3kΩ and 1000pF. ESD protection ratings include ±15kV (Human Body Model), ±8kV (IEC 1000-4-2 Contact Discharge), and ±15kV (IEC 1000-4-2 Air-Gap Discharge).

Feature Summary

• Integrated ±15kV Human Body Model and ±8kV IEC 1000-4-2 Contact Discharge ESD protection on RS-232 I/O pins.
• Shutdown function reduces supply current to 1µA while keeping the receiver active.
• Low-dropout transmitter output stage ensures ±3.7V RS-232-compatible levels at 460kbps.
• Flow-through architecture with single transmitter and single receiver.

Applications

• Digital Cameras
• PDAs
• GPS
• POS
• Telecommunications

Procurement Notes

Verify the component authenticity through official manufacturer channels or authorized distributors. Confirm the ordering suffix matches the required temperature range and package type. Ensure the datasheet revision aligns with the specific batch requirements. Check for RoHS compliance status if environmental regulations apply to the assembly process.

Selection Notes

Select this component when designing systems requiring low-power RS-232 communication with robust ESD protection. The 8-pin SO package suits applications with limited board space. Verify that external power supplies can provide both +5V and -5V rails. Consider the 460kbps data rate limit for high-speed serial interface requirements.

Part Context

The MAX3314E belongs to a family of low-power, ±5V-powered EIA/TIA-232-compatible transceivers. It shares architectural similarities with other Maxim RS-232 devices but distinguishes itself through its specific ESD protection levels and shutdown current characteristics. The 'E' suffix indicates an extended temperature range capability, while 'CSA' denotes the specific SOIC package variant.

Replacement Considerations

MAX3314EESA+