Overview
The SP3232EEY-L/TR is a surface mount RS-232 transceiver manufactured by MaxLinear. It is part of the SP3232E series, designed to provide a reliable and cost-effective solution for connecting asynchronous communications devices with a simple UART interface. This transceiver is particularly suited for portable or hand-held applications such as notebook or palmtop computers, offering true RS-232 performance from a single power supply ranging from +3.0V to +5.5V.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | MaxLinear |
| Part Number | SP3232EEY-L/TR |
| Package | TSSOP-16 |
| Supply Voltage | 3V to 5.5V |
| Data Rate | Up to 235 kbps |
| Interface | RS-232 |
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| Operating Temperature | -40°C to 85°C |
| ESD Protection | ±15kV Human Body Model, ±15kV IEC61000-4-2 Air Discharge, ±8kV IEC61000-4-2 Contact Discharge |
| Shutdown Current | < 1µA |
Key Features
- Meets true EIA/TIA-232-F standards from a +3.0V to +5.5V power supply.
- Minimum 120kbps data rate under full load, with a maximum data rate of 235kbps.
- 1µA low-power shutdown mode with receivers active, extending battery life in portable systems.
- Interoperable with RS-232 down to a 2.7V power source.
- Enhanced ESD specifications: ±15kV Human Body Model, ±15kV IEC61000-4-2 Air Discharge, ±8kV IEC61000-4-2 Contact Discharge.
- High-efficiency, charge-pump power supply requiring only 0.1µF capacitors in 3.3V operation.
- Driver outputs protected against infinite short-circuits to ground without degradation in reliability.
Applications
The SP3232EEY-L/TR is ideal for portable or hand-held applications such as notebook or palmtop computers. It is also suitable for battery-powered devices, mixed 3.3V to 5.5V systems, or 5.0V-only systems that require true RS-232 performance. Other applications include PC-to-PC communication, LAN applications, and any scenario where reliable RS-232 communication is needed from a low-voltage power supply.
Q & A
- What is the operating voltage range of the SP3232EEY-L/TR?
The SP3232EEY-L/TR operates from a +3.0V to +5.5V power supply.
- What is the maximum data rate of the SP3232EEY-L/TR?
The maximum data rate is up to 235 kbps.
- How many drivers and receivers does the SP3232EEY-L/TR have?
The SP3232EEY-L/TR has 2 drivers and 2 receivers.
- What is the package type of the SP3232EEY-L/TR?
The package type is TSSOP-16.
- Does the SP3232EEY-L/TR have ESD protection?
Yes, it has enhanced ESD specifications: ±15kV Human Body Model, ±15kV IEC61000-4-2 Air Discharge, ±8kV IEC61000-4-2 Contact Discharge.
- What is the shutdown current of the SP3232EEY-L/TR?
The shutdown current is less than 1µA.
- Is the SP3232EEY-L/TR suitable for portable applications?
Yes, it is designed for portable or hand-held applications such as notebook or palmtop computers.
- Does the SP3232EEY-L/TR meet EIA/TIA-232 standards?
Yes, it meets true EIA/TIA-232-F standards from a +3.0V to +5.5V power supply.
- What is the operating temperature range of the SP3232EEY-L/TR?
The operating temperature range is -40°C to 85°C.
- Can the SP3232EEY-L/TR be used in mixed voltage systems?
Yes, it can be used in mixed 3.3V to 5.5V systems or 5.0V-only systems that require true RS-232 performance.
