SP3222EEY-L/TR

I.Overview of SP3222EEY-L/TR

The SP3222EEY-L/TR is a high‑performance RS‑232 transceiver manufactured by MaxLinear, Inc. This device features two drivers and two receivers, supporting full‑duplex communication with a wide supply voltage range. Designed for portable and space‑constrained applications, it includes a low‑power shutdown mode and operates with small external capacitors, making it ideal for battery‑powered equipment and industrial interfaces.

II.SP3222EEY-L/TR Parameter

Category:Integrated Circuits (ICs);Interface;Drivers, Receivers, Transceivers

Manufacturer:MaxLinear, Inc.

Packaging:Tape & Reel (TR);Cut Tape (CT)

Part Status:Active

Type:Transceiver

Protocol:RS232

Number of Drivers/Receivers:2/2

Duplex:Full

Receiver Hysteresis:300 mV

Data Rate:235Kbps

Voltage - Supply:3V ~ 5.5V

Operating Temperature:-40°C ~ 85°C

Mounting Type:Surface Mount

Package / Case:20-TSSOP (0.173", 4.40mm Width)

Supplier Device Package:20-TSSOP

Base Product Number:SP3222

III.SP3222EEY-L/TR Main Characteristics

Full‑Duplex RS‑232 Interface: Two drivers and two receivers enable simultaneous bidirectional communication.

Wide Supply Voltage Range: Operates from 3V to 5.5V, compatible with both 3.3V and 5V systems.

Low Power Consumption: Features a low‑power shutdown mode that reduces supply current to 1µA typical.

300mV Receiver Hysteresis: Improves noise immunity for reliable data transmission in noisy environments.

235kbps Data Rate: Suitable for standard RS‑232 communication speeds.

Small External Capacitors: Requires only four 0.1µF capacitors, reducing board space and component cost.

Extended Temperature Range: -40°C to 85°C operation supports industrial and commercial applications.

IV.SP3222EEY-L/TR Application 

Portable Electronics: Handheld terminals, PDAs, and battery‑powered data loggers.

Industrial Control: PLCs, instrumentation, and factory automation equipment.

Telecommunications: Modems, routers, and network management devices.

Consumer Electronics: Set‑top boxes, gaming consoles, and digital cameras.

Medical Devices: Patient monitoring systems and diagnostic equipment.

V.Conclusion

The SP3222EEY-L/TR from MaxLinear is a versatile and efficient RS‑232 transceiver that combines full‑duplex operation, a wide supply range, and low power consumption in a compact TSSOP‑20 package. Its low external capacitor requirement and high receiver hysteresis make it an excellent choice for space‑sensitive, battery‑powered, and industrial applications. With robust performance and ease of integration, this transceiver delivers reliable serial communication in a variety of systems.