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Home > Products > Integrated Circuits (ICs) > Interface - Drivers, Receivers, Transceivers > SP3070EEN-L/TR
MaxLinear, Inc.
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SP3070EEN-L/TR

In Stock 33983 pcs Reference Price(In US Dollars)
1+
$1.015
10+
$0.8325
30+
$0.7327
100+
$0.6201
500+
$0.5688
1000+
$0.546
Manufacturer Part Number:
SP3070EEN-L/TR
Manufacturer / Brand
MaxLinear, Inc.
Part of Description:
IC TRANSCEIVER FULL 1/1 14SOIC
Datasheets:
SP3070EEN-L/TR(1).pdfSP3070EEN-L/TR(2).pdfSP3070EEN-L/TR(3).pdfSP3070EEN-L/TR(4).pdf
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 33983 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SP3070EEN-L/TR
Manufacturer / Brand MaxLinear, Inc.
Stock Quantity 33983 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 SP3070EEN-L/TR Datasheets SP3070EEN-L/TR Details PDF
SP3070EEN-L/TR Details PDF for FR.pdf
SP3070EEN-L/TR Details PDF for KR.pdf
SP3070EEN-L/TR Details PDF for IT.pdf
SP3070EEN-L/TR Details PDF for DE.pdf
SP3070EEN-L/TR Details PDF for ES.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 Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C
Number of Drivers/Receivers 1/1
Mounting Type Surface Mount
Duplex Full
Data Rate 250kbps
Base Product Number SP3070

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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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)
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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


SP3070EEN-L/TR Product Details:

The SP3070EEN-L/TR is a 1/1 Transceiver Full RS422 and RS485 device manufactured by Exar Corporation. It is classified as an Integrated Circuit (IC) in the Interface - Drivers, Receivers, Transceivers category.

The key features of this product include:

Functionality: The SP3070EEN-L/TR is a full-duplex transceiver that supports both RS422 and RS485 protocols, allowing for reliable data communication in a variety of industrial and commercial applications.

Design Challenges Addressed: This device addresses the need for a compact, power-efficient, and high-performance transceiver solution that can operate in a wide temperature range of -40°C to 85°C, making it suitable for use in demanding environments.

Specifications: The transceiver operates at 3.3V and can achieve data rates up to 250kbps. It features a 100mV receiver hysteresis for improved noise immunity and has a Moisture Sensitivity Level (MSL) of 2, indicating a 1-year shelf life.

Advantages: The SP3070EEN-L/TR offers a compact 14-SOIC surface-mount package, making it easy to integrate into space-constrained designs. Its RoHS-compliant, lead-free construction also aligns with environmental regulations.

Compatibility: This transceiver is compatible with a wide range of RS422 and RS485 communication systems, making it a versatile solution for various applications.

Application Areas: The SP3070EEN-L/TR is well-suited for use in industrial automation, process control, building automation, and other applications that require reliable and high-speed data communication over long distances.

Equivalent Models: The SP3070EEN-L/TR does not have any direct equivalents or alternative models listed in the provided information. It appears to be a unique product offering from Exar Corporation.

SP3070EEN-L/TR Image
SP3070EEN-L/TR (1)

SP3070EEN-L/TR Key Technical Attributes

Integrated Circuit Type - Interface - Drivers, Receivers, Transceivers

Duplex Type - Full

Data Rate - 250kbps

SP3070EEN-L/TR Packing Size

Package Type - 14-SOIC

Packaging Material - Tape & Reel (TR)

Package / Case Dimensions - 14-SOIC (0.154", 3.90mm Width)

SP3070EEN-L/TR Application

Designed for RS422 and RS485 communications

SP3070EEN-L/TR Features

The SP3070EEN-L/TR from Exar Corporation is a full duplex transceiver intended for RS422 and RS485 communication protocols, supporting a data rate of up to 250kbps. It operates effectively within a supply voltage range of 3.3V. With receiver hysteresis of 100mV, it ensures enhanced noise immunity and robust data integrity. This model is designed to function reliably within an operational temperature range of -40°C to 85°C.

SP3070EEN-L/TR Quality and Safety Features

The SP3070EEN-L/TR is RoHS compliant, indicating it is lead-free and meets environmental standards regarding hazardous substances. It has a Moisture Sensitivity Level (MSL) of 2, which allows for a shelf life of 1 year under proper storage conditions.

SP3070EEN-L/TR Compatibility

This device package is in a 14-SOIC configuration which is commonly used and acceptable for surface mount technology (SMT), making it compatible with standard automated assembly processes.

SP3070EEN-L/TR Datasheet PDF

For detailed specifications and operational guidelines, the most authoritative datasheet for SP3070EEN-L/TR is available on our website. We highly recommend downloading it directly from the product page to ensure you have the most accurate and up-to-date information.

Quality Distributor

IC-Components prides itself as a premium distributor for Exar Corporation products, including the SP3070EEN-L/TR model. With our commitment to quality and customer satisfaction, we urge you to get a quote through our website where excellence meets reliability in component distribution.

Frequently Asked Questions

What are the key design constraints when integrating the SP3070EEN-L/TR into a 3.3V industrial control system with mixed RS-485 and RS-422 communication requirements?
The SP3070EEN-L/TR operates exclusively at a 3.3V supply voltage, making it unsuitable for direct interfacing with 5V logic without level translation. When designing mixed RS-422/RS-485 networks, ensure that all transceivers share a common ground reference to avoid ground potential differences exceeding ±7V, which can damage the device. Additionally, the SP3070EEN-L/TR supports full-duplex operation but requires careful PCB layout with controlled impedance (120Ω termination) and matched trace lengths to maintain signal integrity at its maximum 250kbps data rate.
Can the SP3070EEN-L/TR be used in half-duplex RS-485 multi-drop networks despite being a full-duplex transceiver?
Yes, the SP3070EEN-L/TR can be configured for half-duplex RS-485 operation by externally tying the driver output (Y) and receiver input (A) together, and similarly connecting Z and B. However, this requires careful control of the DE (Driver Enable) and /RE (Receiver Enable) pins to prevent bus contention. Unlike dedicated half-duplex transceivers, the SP3070EEN-L/TR lacks integrated direction control logic, so the host microcontroller must manage timing precisely to avoid data collisions.
What are the risks of replacing a 5V RS-485 transceiver like the MAX485 with the 3.3V SP3070EEN-L/TR in an existing design?
Direct replacement of a 5V transceiver such as the MAX485 with the SP3070EEN-L/TR is not recommended without design modifications. The SP3070EEN-L/TR’s 3.3V logic levels may not reliably drive 5V TTL inputs, and its lower supply voltage reduces noise margin in electrically noisy environments. Additionally, the SP3070EEN-L/TR has a lower maximum data rate (250kbps vs. 2.5Mbps on some MAX485 variants), which could bottleneck high-speed communication. A level-shifting interface or power supply redesign is typically required.
How does the receiver hysteresis of 100mV in the SP3070EEN-L/TR impact noise immunity in long-cable industrial installations?
The 100mV receiver hysteresis in the SP3070EEN-L/TR provides moderate noise immunity by preventing chatter on slowly transitioning or noisy signals. This is beneficial in long-cable RS-485/RS-422 installations where inductive coupling or ground loops may induce signal fluctuations near the decision threshold. However, in extremely noisy environments (e.g., near variable-frequency drives), additional external filtering or shielding may still be necessary, as the hysteresis alone may not suppress high-frequency transients.
Is the SP3070EEN-L/TR suitable for use in automotive applications requiring extended temperature operation beyond 85°C?
No, the SP3070EEN-L/TR is rated for an operating temperature range of -40°C to +85°C, which does not meet typical automotive-grade requirements (often -40°C to +125°C). While it may function temporarily above 85°C, prolonged exposure risks accelerated aging, parametric drift, or failure. For under-hood or engine compartment applications, consider AEC-Q100 qualified alternatives such as the SN65HVD72 or similar automotive-grade RS-485 transceivers.
What layout and termination practices are critical when using the SP3070EEN-L/TR in a multi-node RS-485 network with cable lengths exceeding 50 meters?
For reliable operation over long distances, use twisted-pair cabling with characteristic impedance of 120Ω and terminate both ends of the bus with 120Ω resistors. Avoid stubs longer than 1 meter to prevent signal reflections. The SP3070EEN-L/TR’s 250kbps limit allows longer reach compared to higher-speed devices, but ensure ground continuity across nodes and consider using isolated transceivers if ground potential differences exceed ±7V. Place bypass capacitors (0.1µF) close to the VCC pin to stabilize the 3.3V supply under transient loads.
Can the SP3070EEN-L/TR be used in point-to-point RS-422 video or encoder applications requiring high common-mode noise rejection?
Yes, the SP3070EEN-L/TR is well-suited for point-to-point RS-422 applications such as encoder feedback or low-speed video transmission due to its differential signaling and ±7V common-mode input range. However, its 250kbps data rate limits use to standard-definition or compressed video streams. Ensure that the transmitter and receiver grounds are referenced within the common-mode range, and use shielded twisted-pair cables to maximize noise rejection in electrically harsh environments.
What alternatives should be considered if higher data rates or 5V compatibility are required instead of the SP3070EEN-L/TR?
If higher data rates (>250kbps) or 5V operation are needed, consider alternatives such as the SP3075EEN-L/TR (5V, 10Mbps) from the same family, or the MAX14778 from Maxim Integrated. These offer improved speed and voltage compatibility but may consume more power or require different PCB layouts. Migrating to a 5V part may also simplify interfacing with legacy microcontrollers, though it increases overall system power and thermal considerations.
How does the moisture sensitivity level (MSL 2) of the SP3070EEN-L/TR affect handling and storage in high-humidity manufacturing environments?
The SP3070EEN-L/TR has an MSL 2 rating, meaning it can be exposed to ambient conditions for up to 1 year without requiring dry packing or baking. However, in high-humidity environments (>60% RH), it is advisable to store the devices in sealed moisture barrier bags with desiccant and follow IPC/JEDEC J-STD-033 guidelines. Reflow soldering should be completed within the allowable floor life to prevent moisture-induced delamination or “popcorning” during assembly.
What are the implications of using the SP3070EEN-L/TR in a failsafe-biased RS-485 network without external biasing resistors?
The SP3070EEN-L/TR does not include internal failsafe biasing, so omitting external pull-up and pull-down resistors on the A and B lines may result in an indeterminate receiver state when the bus is idle. This can cause spurious data reception or increased power consumption. To ensure a known idle state (typically logic high), add a 1kΩ pull-up on A and a 1kΩ pull-down on B at one node in the network, especially in multi-drop configurations with long idle periods.

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IC TRANSCEIVER FULL 1/1 14SOIC

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