Choose your country or region.

EnglishFrançaispolskiSlovenija한국의DeutschSvenskaSlovenskáMagyarországItaliaहिंदीрусскийTiếng ViệtSuomiespañolKongeriketPortuguêsภาษาไทยБългарски езикromânescČeštinaGaeilgeעִבְרִיתالعربيةPilipinoDanskMelayuIndonesiaHrvatskaفارسیNederlandTürk diliΕλλάδαRepublika e ShqipërisëአማርኛAzərbaycanEesti VabariikEuskeraБеларусьíslenskaBosnaAfrikaansIsiXhosaisiZuluCambodiaსაქართველოҚазақшаAyitiHausaКыргыз тилиGalegoCatalàCorsaKurdîLatviešuພາສາລາວlietuviųLëtzebuergeschmalaɡasʲМакедонскиMaoriМонголулсবাংলা ভাষারမြန်မာनेपालीپښتوChicheŵaCрпскиSesothoසිංහලKiswahiliТоҷикӣاردوУкраїнаO'zbekગુજરાતીಕನ್ನಡkannaḍaதமிழ் மொழி繁体中文
Home > Products > Integrated Circuits (ICs) > Interface - Drivers, Receivers, Transceivers > SP3073EEN-L
MaxLinear, Inc.
14-SOIC.jpg ImageView larger image
Image may be representation.
See specs for product details.

SP3073EEN-L

Manufacturer Part Number:
SP3073EEN-L
Manufacturer / Brand
MaxLinear, Inc.
Part of Description:
IC TRANSCEIVER FULL 1/1 14SOIC
Datasheets:
SP3073EEN-L(1).pdfSP3073EEN-L(2).pdfSP3073EEN-L(3).pdfSP3073EEN-L(4).pdfSP3073EEN-L(5).pdf
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 8999 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

Inquiry Online

Please complete all required fields with your contact information.Click "SUBMIT REQUEST" we will contact you shortly by email. Or Email us: Info@IC-Components.com
Part Number
Manufacturer
Require Quantity
Target Price(USD)
Company Name
Contact Name
E-mail
Phone
Message
Please enter Verify Code and click "Submit"
Part Number SP3073EEN-L
Manufacturer / Brand MaxLinear, Inc.
Stock Quantity 8999 pcs Stock
Category Integrated Circuits (ICs) > Interface - Drivers, Receivers, Transceivers
Description IC TRANSCEIVER FULL 1/1 14SOIC
Lead Free Status / RoHS Status: RoHS Compliant
RFQ SP3073EEN-L Datasheets SP3073EEN-L Details PDF
SP3073EEN-L Details PDF for FR.pdf
SP3073EEN-L Details PDF for KR.pdf
SP3073EEN-L Details PDF for DE.pdf
SP3073EEN-L Details PDF for ES.pdf
SP3073EEN-L Details PDF for IT.pdf
Voltage - Supply 3.3V
Type Transceiver
Supplier Device Package 14-SOIC
Series -
Receiver Hysteresis 15 mV
Protocol RS422, RS485
Package / Case 14-SOIC (0.154', 3.90mm Width)
Package Tube
Operating Temperature -40°C ~ 85°C
Number of Drivers/Receivers 1/1
Mounting Type Surface Mount
Duplex Full
Data Rate 500kbps

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.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


SP3073EEN-L Product Details:

The SP3073EEN-L is a full-duplex transceiver designed for RS422 and RS485 communication interfaces. Manufactured by Exar Corporation, this integrated circuit (IC) belongs to the interface driver, receiver, and transceiver category of electronic components.

The key features of the SP3073EEN-L include its ability to operate over a wide temperature range of -40°C to 85°C, making it suitable for use in diverse environmental conditions. The device is RoHS-compliant, ensuring compliance with environmental regulations. The 14-SOIC (Small Outline Integrated Circuit) package with a width of 0.154" (3.90mm) allows for easy surface-mount integration on printed circuit boards.

The SP3073EEN-L addresses design challenges by providing a single-chip solution for RS422 and RS485 communication, simplifying the design process and reducing the overall component count. It supports a data rate of up to 500kbps, making it suitable for a wide range of applications. The transceiver features a 100mV receiver hysteresis, which helps to improve noise immunity and signal integrity.

The primary advantages of the SP3073EEN-L include its full-duplex operation, allowing for simultaneous two-way communication, and its compatibility with both RS422 and RS485 protocols. These features make the device versatile and suitable for a variety of industrial, commercial, and medical applications, such as industrial automation, building automation, security systems, and medical equipment.

Equivalent or alternative models to the SP3073EEN-L may include the following:

1. SP3485EN-L: Another Exar Corporation transceiver with similar specifications, but with half-duplex operation.

2. MAX481E: A Maxim Integrated transceiver with similar features, including full-duplex operation and RS422/RS485 compatibility.

3. SN65HVD1781: A Texas Instruments transceiver with comparable specifications and functionality.

4. ADM2587E: An Analog Devices transceiver with a similar feature set, including full-duplex operation and wide temperature range.

These equivalent models may offer slightly different performance characteristics, packaging options, or additional features, depending on the specific requirements of the application.

SP3073EEN-L Image
SP3073EEN-L (1)

SP3073EEN-L Key Technical Attributes

Manufacturer Part Number SP3073EEN-L

Manufacturer Exar Corporation

Main Category Integrated Circuits (ICs)

Small Classification Interface - Drivers, Receivers, Transceivers

SP3073EEN-L Packing Size

Type 14-SOIC

Material SOP

Size 14-SOIC (0.154", 3.90mm Width)

Pin Configuration 14 Pins Surface Mount

Thermal Characteristics Operating Temperature -40°C ~ 85°C

Electrical Properties Voltage - Supply 3.3V

SP3073EEN-L Application

The SP3073EEN-L transceiver is suitable for applications requiring full-duplex RS422 and RS485 communication protocols. Common implementations include telecom infrastructure, networking systems, and industrial automation.

SP3073EEN-L Features

The SP3073EEN-L offers robust communication capabilities for RS422 and RS485 protocols at a data rate of 500kbps. It features full-duplex operation, enabling simultaneous transmission and reception of data. The receiver hysteresis is 100mV, enhancing noise suppression and improving signal integrity. This IC is optimized for low power supply voltage of 3.3V.

SP3073EEN-L Quality and Safety Features

The SP3073EEN-L is RoHS compliant and lead-free, ensuring environmental safety and suitability for use in various global markets. It also adheres to Moisture Sensitivity Level (MSL) 2, allowing for extended lifespan up to 1 year under specified storage conditions.

SP3073EEN-L Compatibility

The device's universal interface standards RS422 and RS485 ensure compatibility with a wide range of industrial and communication equipment, facilitating easy integration into existing setups without additional components or extensive modifications.

SP3073EEN-L Datasheet PDF

For comprehensive and in-depth technical data about SP3073EEN-L, please refer to the datasheet available on our website. We provide the most authoritative and detailed datasheet for your review, which can be downloaded directly from the current page.

Quality Distributor

IC-Components is a premium distributor of Exar Corporation products, offering a wide range of integrated circuits tailored for various applications. We guarantee authentic and high-quality components. Visit our website to get a quote and learn more about how we can assist in selecting the perfect IC for your needs.

Frequently Asked Questions

Can the SP3073EEN-L be used in a 5V-powered RS-485 network without damaging the device or compromising signal integrity?
No, the SP3073EEN-L is specified for a 3.3V supply voltage only (Voltage - Supply: 3.3V). Applying 5V to VCC will exceed the absolute maximum ratings and risk permanent damage. While the receiver inputs are designed to tolerate higher RS-485 bus voltages (±15V), the internal logic and driver stages are not 5V-tolerant. If interfacing with a 5V microcontroller, use level translation on the logic-side signals (RO, DI, DE, /RE) to avoid overvoltage conditions on the SP3073EEN-L pins.
What are the key differences between the SP3073EEN-L and the SP3074EN-L, and when should I choose one over the other for a new RS-485 design?
The SP3073EEN-L is a 3.3V full-duplex transceiver, while the SP3074EN-L is a half-duplex variant in the same family. Both support 500kbps data rates and operate from -40°C to 85°C, but the SP3074EN-L shares A/B lines for bidirectional communication, reducing pin count and cabling complexity in multi-drop networks. Choose the SP3073EEN-L only when full-duplex communication (simultaneous transmit and receive) is required; otherwise, the SP3074EN-L offers a more cost-effective and simpler layout solution for typical half-duplex RS-485 applications.
Is the SP3073EEN-L suitable for use in industrial environments with long cable runs exceeding 100 meters, and what design precautions are necessary?
Yes, the SP3073EEN-L can support cable lengths over 100 meters at reduced data rates (e.g., ≤100kbps), consistent with RS-485 standards. However, for reliable operation, include a 120Ω termination resistor at each end of the bus, ensure proper grounding to minimize ground potential differences, and use shielded twisted-pair cable. The 100mV receiver hysteresis helps reject noise in electrically noisy industrial settings, but transient protection (e.g., TVS diodes) is strongly recommended on A/B lines to safeguard against ESD and surge events.
Can I replace a Maxim MAX3485ESA+ with the SP3073EEN-L in an existing 3.3V RS-485 design without modifying the PCB or firmware?
The SP3073EEN-L is a functional replacement for the MAX3485ESA+ in most 3.3V half-duplex applications, as both are 1-driver/1-receiver transceivers with similar pinouts (14-SOIC), 500kbps data rates, and compatible logic thresholds. However, verify timing parameters such as propagation delay and enable/disable times, as minor differences may affect high-speed timing margins. Also confirm that your firmware assumes half-duplex control—since the SP3073EEN-L is full-duplex capable, ensure DE and /RE are properly managed to avoid bus contention if adapting from a half-duplex-only part.
What happens if I leave the DE (Driver Enable) pin of the SP3073EEN-L floating during operation?
Leaving the DE pin floating is not recommended and can cause unpredictable behavior. The SP3073EEN-L does not include internal pull-up or pull-down resistors on the DE pin. A floating input may oscillate due to noise, intermittently enabling the driver and causing bus contention or excessive power dissipation. Always tie DE to a defined logic level (via GPIO or pull-up/down resistor) to ensure deterministic control of driver state, especially in multi-node RS-485 networks where bus arbitration is critical.
Does the SP3073EEN-L support hot-swapping or live insertion into an active RS-485 bus?
The SP3073EEN-L does not include built-in hot-swap protection. While its receiver inputs can withstand ±15V common-mode voltages, inserting the device into a live bus without current limiting or transient suppression may expose it to inrush currents or voltage spikes that exceed safe operating conditions. For hot-swap scenarios, add series current-limiting resistors (e.g., 100Ω) on A/B lines and robust TVS diodes rated for IEC 61000-4-2 ESD and IEC 61000-4-4 EFT protection to prevent damage during live insertion.
How does the 100mV receiver hysteresis of the SP3073EEN-L improve noise immunity in real-world RS-485 deployments?
The 100mV receiver hysteresis creates a noise margin window that prevents false triggering from signal ringing or electromagnetic interference (EMI) near the receiver threshold. In long or poorly terminated cables, signal reflections can cause glitches around the decision point; hysteresis ensures the receiver only toggles state when the differential input (A–B) crosses a defined upper or lower threshold, improving data integrity in electrically noisy environments such as factory floors or motor control systems.
Can the SP3073EEN-L operate reliably at its maximum data rate of 500kbps over the full -40°C to 85°C temperature range without signal degradation?
Yes, the SP3073EEN-L is specified for 500kbps operation across the entire -40°C to 85°C range. However, at high temperatures, driver output current capability may slightly decrease, and propagation delays can increase marginally. For robust 500kbps performance, ensure controlled impedance traces (120Ω differential), minimize stub lengths, and avoid excessive capacitive loading. Thermal management of the PCB (e.g., adequate copper pour) helps maintain stable junction temperatures, preserving signal integrity under continuous operation.
What are the implications of using the SP3073EEN-L in a multi-drop RS-485 network with more than 32 unit loads?
The SP3073EEN-L presents a standard 1-unit load on the RS-485 bus, allowing up to 32 devices on a single network as per TIA/EIA-485 specifications. Exceeding 32 unit loads increases bus loading, reducing differential voltage margins and potentially causing communication failures. If more nodes are required, use repeaters or select transceivers with 1/4 or 1/8 unit load ratings. Alternatively, segment the network and use the SP3073EEN-L in conjunction with RS-485 repeaters to extend node count without violating electrical specifications.
Is the SP3073EEN-L compatible with 1.8V logic microcontrollers, and what level-shifting strategy is recommended?
The SP3073EEN-L requires 3.3V logic levels for reliable operation of its digital inputs (DI, DE, /RE). Direct connection to 1.8V GPIOs may result in marginal or unreliable logic high recognition, as 1.8V is below the typical VIH(min) of 2.0V for 3.3V CMOS. Use a unidirectional level shifter (e.g., TXB0104) or series resistors with Schottky clamping diodes on control lines to safely interface 1.8V logic to the SP3073EEN-L while protecting both devices from overvoltage.

Recent Reviews

Leave Comment
Hello, you have not logged in, please log in
User Login

Forgot password?

No account yet? Register now

Tips
Please speak legally
Your email will be hidden
Please complete all required fields ( denoted with* )
Mark
5.0

You May Also Be Interested In:


SP3073EEN-L

SP3073EEN-L

MaxLinear, Inc.

IC TRANSCEIVER FULL 1/1 14SOIC

In Stock: 8999

SUBMIT RFQ