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Home > Products > Integrated Circuits (ICs) > Interface - Drivers, Receivers, Transceivers > SP232ACT-L/TR
MaxLinear, Inc.
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SP232ACT-L/TR

In Stock 3281 pcs Reference Price(In US Dollars)
1+
$0.7681
10+
$0.6188
30+
$0.5449
100+
$0.471
500+
$0.4261
1500+
$0.4043
Manufacturer Part Number:
SP232ACT-L/TR
Manufacturer / Brand
MaxLinear, Inc.
Part of Description:
IC TRANSCEIVER FULL 2/2 16SOIC
Datasheets:
SP232ACT-L/TR(1).pdfSP232ACT-L/TR(2).pdfSP232ACT-L/TR(3).pdf
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 3281 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SP232ACT-L/TR
Manufacturer / Brand MaxLinear, Inc.
Stock Quantity 3281 pcs Stock
Category Integrated Circuits (ICs) > Interface - Drivers, Receivers, Transceivers
Description IC TRANSCEIVER FULL 2/2 16SOIC
Lead Free Status / RoHS Status: RoHS Compliant
RFQ SP232ACT-L/TR Datasheets SP232ACT-L/TR Details PDF
SP232ACT-L/TR Details PDF for FR.pdf
SP232ACT-L/TR Details PDF for KR.pdf
SP232ACT-L/TR Details PDF for IT.pdf
SP232ACT-L/TR Details PDF for ES.pdf
SP232ACT-L/TR Details PDF for DE.pdf
Voltage - Supply 4.5V ~ 5.5V
Type Transceiver
Supplier Device Package 16-SOIC
Series -
Receiver Hysteresis 500 mV
Protocol RS232
Package / Case 16-SOIC (0.295', 7.50mm Width)
Package Tape & Reel (TR)
Operating Temperature 0°C ~ 70°C
Number of Drivers/Receivers 2/2
Mounting Type Surface Mount
Duplex Full
Data Rate 240kbps
Base Product Number SP232

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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SP232ACT-L/TR Product Details:

The Exar Corporation SP232ACT-L/TR is a comprehensive 2/2 Transceiver Full RS232 interface solution designed to address the communication and connectivity needs across a wide range of applications. As an integrated circuit (IC), this product belongs to the interface drivers, receivers, and transceivers category, offering a versatile and reliable interface for various electronic systems.

The key features of the SP232ACT-L/TR include:

Functionality: The SP232ACT-L/TR is a full-duplex transceiver that supports the RS232 protocol, enabling seamless data communication between devices. It features two drivers and two receivers, providing a flexible and efficient interface for various applications.

Design Challenges Addressed: This product is designed to overcome common interface challenges, such as managing voltage levels, signal integrity, and power consumption, making it suitable for a wide range of applications.

Specifications: The SP232ACT-L/TR operates within a voltage range of 4.5V to 5.5V, ensuring compatibility with standard power supplies. It has a maximum data rate of 240kbps and a receiver hysteresis of 500mV, ensuring reliable data transfer. The device is RoHS-compliant and has a wide operating temperature range of 0°C to 70°C, making it suitable for a variety of environmental conditions.

Advantages: The key advantages of the SP232ACT-L/TR include its compact 16-SOIC surface mount package, which simplifies integration into PCB designs. Additionally, its tape and reel packaging option facilitates efficient manufacturing and assembly processes.

Compatibility: The SP232ACT-L/TR is a widely used and recognized interface solution, ensuring compatibility with a broad range of electronic systems and devices that require RS232 communication.

Application Areas: This product is suitable for a variety of application areas, including industrial automation, telecommunications, medical equipment, transportation systems, and consumer electronics, where reliable and efficient data communication is essential.

Equivalent Models: While there may be other manufacturers offering similar RS232 interface ICs, the SP232ACT-L/TR is a well-established and widely used solution in the industry. Digi-Key also offers the SP232ACTL/TR as an equivalent model.

In summary, the Exar Corporation SP232ACT-L/TR is a comprehensive and versatile RS232 interface solution that addresses the communication and connectivity needs of a wide range of electronic systems and applications. Its robust design, extensive specifications, and compatibility make it a reliable choice for various industries and projects.

SP232ACT-L/TR Image
SP232ACT-L/TR (1)

SP232ACT-L/TR Key Technical Attributes

2/2 Transceiver Full RS232

Voltage - Supply: 4.5 V ~ 5.5 V

Data Rate: 240kbps

SP232ACT-L/TR Packing Size

Type: Tape & Reel (TR)

Material: Encapsulation in SOP16

Size: 16-SOIC (0.295", 7.50mm Width)

Thermal characteristics: Moisture Sensitivity Level (MSL): 3 (168 Hours)

Electrical properties: RS232 Protocol, 500mV Receiver Hysteresis

SP232ACT-L/TR Application

Designed for telecommunication and data communication applications

SP232ACT-L/TR Features

The SP232ACT-L/TR integrates drivers and receivers conforming to the RS232 standard, which is suitable for a variety of communication interfaces. The device supports a data transmission rate of up to 240kbps and operates efficiently within a voltage supply range of 4.5 V to 5.5 V. This transceiver from Exar Corporation is capable of operating at temperatures from 0°C to 70°C, making it adaptable to various environmental conditions while maintaining optimal performance. The duplex mode of the device is full, offering bi-directional communication.

SP232ACT-L/TR Quality and Safety Features

This integrated circuit is lead-free and complies with RoHS standards, ensuring environmental safety and quality. The 16-SOIC packaging facilitates reliable surface mount technology and the product's Moisture Sensitivity Level is rated at 3, providing durability against moisture during operation.

SP232ACT-L/TR Compatibility

This dual driver/receiver is specifically designed to interface with digital communication equipment, supporting the RS232 protocol compatibly.

SP232ACT-L/TR Datasheet PDF

For complete, reliable, and extensive details about SP232ACT-L/TR, our website hosts the most authoritative datasheet. Customers can download the datasheet from the current page to ensure you have all the pertinent information for the proper use and integration of this product.

Quality Distributor

At IC-Components, we pride ourselves in being a premium distributor for Exar Corporation products, including the SP232ACT-L/TR model. Our expertise ensures you receive the best components suited for your needs with full support and reliability. Get a quote today on our website and ensure you get premium parts efficiently and seamlessly.

Frequently Asked Questions

When integrating the SP232ACT-L/TR into a new PCB design, what are the critical power supply decoupling considerations to ensure signal integrity, especially concerning its 4.5V to 5.5V operating range?
For the SP232ACT-L/TR, proper power supply decoupling is crucial. We recommend placing a 0.1µF ceramic capacitor as close as possible to each VCC pin of the SP232ACT-L/TR to filter high-frequency noise. Additionally, a larger bulk capacitor, such as a 10µF electrolytic or tantalum capacitor, should be placed nearby to handle lower-frequency ripple. Ensure these capacitors have low ESR (Equivalent Series Resistance) for optimal performance.
I'm looking to replace a legacy RS232 transceiver in an existing industrial control system with the SP232ACT-L/TR. What are the potential I/O voltage level mismatches I might encounter if the original design used different voltage rails for its UART interface?
The SP232ACT-L/TR is designed for standard TTL/CMOS UART levels, typically operating with a 5V supply. If your legacy system uses a different UART voltage, such as 3.3V or even older 12V UART implementations, you may need level shifting circuitry. While the SP232ACT-L/TR's receiver hysteresis of 500mV helps with some marginal signal levels, significant voltage differences between the microcontroller's UART and the SP232ACT-L/TR's expected input could lead to communication errors. Always verify the voltage compatibility between your host MCU's UART pins and the SP232ACT-L/TR's VCC and associated logic levels.
My application requires reliable communication at data rates close to the SP232ACT-L/TR's maximum of 240kbps. What are the key PCB layout factors, particularly trace impedance and termination, that I need to manage to avoid data corruption?
To achieve reliable communication near the SP240kbps limit of the SP232ACT-L/TR, meticulous PCB layout is paramount. Maintain controlled impedance traces for the RS232 signals, typically around 30-40 ohms for single-ended signaling, though this can vary based on your system's specific impedance requirements. Keep these traces short and direct, avoiding unnecessary vias and sharp bends. Series termination resistors (e.g., 100 ohms) at the driver outputs of the SP232ACT-L/TR can help minimize reflections, especially on longer cable runs. Ensure ground planes are solid and continuous to provide a return path for signals.
Can the SP232ACT-L/TR be effectively used in an embedded system that experiences significant ambient temperature fluctuations, say from -10°C to 50°C, given its 0°C to 70°C specified operating temperature?
The SP232ACT-L/TR has a specified operating temperature range of 0°C to 70°C. While your application's -10°C to 50°C range falls within this, consider potential derating of performance or increased risk of failure if operating consistently at the extremes, especially the lower end. For critical applications operating below 0°C, you might need to investigate industrial-grade transceivers (e.g., with wider temperature ranges like -40°C to +85°C) or implement heating solutions. However, within the stated 0°C to 70°C, the SP232ACT-L/TR should perform reliably.
I need to integrate multiple RS232 ports on a single board. Are there any known challenges or design considerations when placing multiple SP232ACT-L/TR transceivers in close proximity on a 16-SOIC package, specifically regarding thermal management and signal crosstalk?
When placing multiple SP232ACT-L/TR transceivers in close proximity on a PCB, thermal management and signal crosstalk are indeed key concerns. Ensure adequate spacing between devices to allow for airflow and heat dissipation. For the SP232ACT-L/TR, which is surface-mount, consider using thermal vias under the exposed pad if present and appropriate for the package. Routing signal traces for adjacent SP232ACT-L/TR devices should be done with care to minimize crosstalk. Orienting devices such that their data lines are not running parallel and in close proximity for extended lengths can significantly reduce inductive coupling.
I'm considering replacing a Maxim MAX3232 with the SP232ACT-L/TR. What are the key practical differences in terms of power consumption and required external components for basic RS232 communication?
The SP232ACT-L/TR and the Maxim MAX3232 are both 3.3V-powered RS232 transceivers, but the SP232ACT-L/TR operates at a 5V supply (4.5V-5.5V). While both offer similar functionality, the SP232ACT-L/TR's primary difference is its 5V operation versus the MAX3232's typical 3.3V operation. When migrating from a MAX3232 (designed for 3.3V logic) to the SP232ACT-L/TR (requiring 5V logic), you must ensure your host MCU's UART pins are compatible with 5V logic levels. The external component count for charge pump capacitors is generally comparable for both devices for basic RS232 operation. Always consult the datasheets for specific component value recommendations.
My system uses a 3.3V microcontroller. Can I directly interface the SP232ACT-L/TR with this MCU's UART, or will I need additional level shifters due to the SP232ACT-L/TR's 5V operating voltage?
No, you cannot directly interface a 3.3V microcontroller's UART with the SP232ACT-L/TR without additional level shifting if the SP232ACT-L/TR is powered by its 5V supply. The SP232ACT-L/TR's logic input/output pins expect to operate at TTL/CMOS levels corresponding to its VCC. To interface a 3.3V MCU with the SP232ACT-L/TR, you would need a logic level translator between the MCU's UART TX/RX pins and the SP232ACT-L/TR's RX/TX pins. Alternatively, consider using a transceiver designed for 3.3V operation, such as the SP3232EUCY-L/TR, which offers a direct interface with 3.3V MCUs.
I'm designing a portable device that needs to run on battery power for extended periods. How does the power consumption of the SP232ACT-L/TR compare to other RS232 transceivers, and are there power-saving features to consider?
The SP232ACT-L/TR is a standard RS232 transceiver with a typical power consumption profile for its class. While it does not explicitly feature advanced low-power shutdown modes as found in some newer transceivers, its power consumption is primarily dependent on the data rate and load. For applications demanding ultra-low power, consider transceivers with dedicated power-down modes that can significantly reduce quiescent current when not actively transmitting or receiving. However, for moderate usage, the SP232ACT-L/TR is a reasonable choice, but always refer to its datasheet for detailed current consumption figures at various operating conditions.
For an automotive application requiring robust RS232 communication, what are the implications of using the SP232ACT-L/TR, given its standard commercial operating temperature range of 0°C to 70°C?
The SP232ACT-L/TR, with its 0°C to 70°C operating temperature range, is generally not suitable for harsh automotive environments which can experience much wider temperature swings (-40°C to +125°C or more). For automotive applications, you would typically need to select transceivers specifically rated for extended industrial or automotive temperature ranges. Using the SP232ACT-L/TR in such an environment would likely lead to unreliable operation and premature failure.
I'm troubleshooting intermittent communication failures on a serial port using the SP232ACT-L/TR. Could the receiver hysteresis of 500mV on the SP232ACT-L/TR be a contributing factor if my signal levels are marginal or noisy?
Yes, the 500mV receiver hysteresis on the SP232ACT-L/TR is designed to reject noise and improve noise immunity. However, if your received signal levels are consistently close to the switching thresholds (e.g., frequently dropping below 500mV from the ideal voltage), this hysteresis could cause spurious switching and intermittent communication errors. Ensure your transmitting device is providing clean, well-defined voltage levels that comfortably exceed the receiver's input voltage requirements and that cable integrity is maintained. If signal integrity is a persistent issue, consider signal conditioning or a transceiver with configurable hysteresis if available.

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