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The SP233AET-L/TR is a dual RS-232 driver/receiver IC manufactured by EXAR Corporation. Below are its specifications, descriptions, and features:

Specifications:

• Manufacturer: EXAR
• Part Number: SP233AET-L/TR
• Type: RS-232 Transceiver
• Number of Drivers/Receivers: 2 Drivers, 2 Receivers
• Data Rate: Up to 120 kbps
• Supply Voltage (VCC): +5V
• Operating Temperature Range: -40°C to +85°C
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• RoHS Compliant: Yes

Descriptions:

The SP233AET-L/TR is a low-power, dual RS-232 transceiver designed for serial communication applications. It integrates two drivers and two receivers, compliant with EIA/TIA-232-F standards. The device operates from a single +5V power supply and includes an onboard charge pump for generating the necessary RS-232 voltage levels (±5V to ±10V).

Features:

• Low Power Consumption: Optimized for battery-powered applications.
• Onboard Charge Pump: Eliminates the need for external voltage converters.
• ESD Protection: ±15kV Human Body Model (HBM) on transmitter outputs and receiver inputs.
• Wide Operating Temperature Range: Suitable for industrial environments.
• Small Footprint: 16-pin TSSOP package for space-constrained designs.
• Compatible with 3V and 5V Logic: Supports mixed-voltage systems.

This IC is commonly used in industrial control, embedded systems, and communication interfaces requiring reliable RS-232 connectivity.