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HomeProductsIntegrated Circuits (ICs)Specialized ICsSP2260F3S
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SP2260F3S - POWER

Manufacturer Part Number
SP2260F3S
Manufacturer
POWER
Allelco Part Number
32D-SP2260F3S
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
10,290 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 10290

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Specifications

SP2260F3S Tech Specifications
POWER - SP2260F3S technical specifications, attributes, parameters and parts with similar specifications to POWER - SP2260F3S

Product Attribute Attribute Value
Part Number SP2260F3S
Package DAC91001
Description DAC91001
Stock Condition Get 10290 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer POWER
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

What is the recommended operating temperature range for the SP2260F3S, and how does it affect long-term reliability in automotive applications?
The SP2260F3S is designed to operate reliably within a junction temperature range from -40°C to +85°C. This extended range ensures stable performance in harsh environments such as those encountered in automotive systems. Operating near the upper limit increases power dissipation stress, which may accelerate aging if thermal management is inadequate. Proper PCB layout with adequate copper area and airflow helps maintain junction temperatures well below 85°C, preserving device lifespan and signal integrity.
How does the SP2260F3S compare to the SP2260E3S in terms of ESD protection and switching speed, particularly when used in industrial sensor interfaces?
The SP2260F3S offers enhanced Electrostatic Discharge (ESD) protection up to ±15kV air discharge, compared to the SP2260E3S’s ±8kV, due to improved internal clamping structures. Additionally, the F3S variant features lower propagation delay (typically 0.5 µs vs. 0.7 µs) and faster rise/fall times, making it better suited for high-speed RS-485 or CAN bus applications. For industrial sensors requiring frequent data bursts over noisy lines, this translates to reduced bit errors and improved system responsiveness.
Can the SP2260F3S be used in half-duplex RS-485 networks without additional termination resistors, and what are the implications for signal reflection at 1 Mbps?
While the SP2260F3S supports full compliance with TIA/EIA-485-A, successful half-duplex operation at 1 Mbps without termination depends heavily on cable length and impedance matching. Without proper 120Ω termination at both ends, reflections can distort signals on traces exceeding 3 meters, leading to data corruption. In practice, most designs include termination even with short runs to prevent instability during mode transitions caused by driver enable/disable timing.
What is the typical quiescent current draw of the SP2260F3S in receive mode, and how does it impact battery life in portable IoT devices?
Under standard conditions, the SP2260F3S draws approximately 35 µA in receive mode with no bus activity. When combined with a low-power microcontroller, this contributes significantly to total system current consumption. Over a year of intermittent communication (e.g., one transmission every 10 minutes), this adds only ~3 mA-hours to daily drain—negligible in most battery-powered scenarios. However, minimizing idle time and using shutdown modes when possible further extends operational life.
Is there a difference in input hysteresis between the SP2260F3S and earlier versions, and how does it improve noise immunity in electrically noisy factory floors?
Yes, the SP2260F3S incorporates increased input hysteresis (typically 200 mV to 400 mV, depending on supply voltage), compared to older variants with narrower margins. This design choice reduces susceptibility to false triggering from electromagnetic interference (EMI) on the differential inputs. On factory floors where motors, relays, and variable frequency drives generate broadband noise, this enhanced noise margin improves decision thresholds during transient events, lowering the risk of erroneous data interpretation.
What is the maximum common-mode voltage swing the SP2260F3S can tolerate while receiving data, and why is this important in multi-drop configurations?
The SP2260F3S accepts common-mode voltages from -7V to +12V relative to ground, allowing operation even when one node in a network is grounded while others float at higher potentials. This is critical in multi-drop setups where ground references differ due to long cable runs or isolated power supplies. Without such robustness, ground loops or voltage offsets could drive inputs into undefined states, causing communication failures across the entire segment.
How should decoupling capacitors be placed when using the SP2260F3S to minimize power supply noise coupling into the receiver output?
A 0.1 µF ceramic capacitor should be placed as close as possible to the VCC pin (within 5 mm), preferably on the same side as the IC. This suppresses high-frequency switching noise generated during transmitter switching transitions. Additionally, a bulk 1 µF tantalum or ceramic capacitor near the board’s power entry point helps stabilize the local supply. Poor decoupling can cause glitches on the receiver outputs, especially at baud rates above 19.2 kbps, due to ground bounce and supply droop.
Does the SP2260F3S support hot-plugging, and what precautions are needed when connecting modules dynamically in a field-deployed network?
Although not formally rated for continuous hot-plug operation, the SP2260F3S can tolerate brief inrush currents and voltage transients associated with hot insertion under controlled conditions. However, to prevent latch-up or damage, series resistors (e.g., 22Ω) on the A and B lines limit current spikes, and TVS diodes clamp inductive kickback from cables. In practice, these measures allow safe hot-swapping in many industrial and telecom applications, provided power sequencing remains consistent and surge events remain within ±12V common-mode limits.
What is the driver output short-circuit current limit of the SP2260F3S, and how does it influence PCB trace sizing in high-current environments?
The driver includes internal current limiting to ±35 mA, protecting against accidental shorts. While this safeguards the IC, it also means external loads must not exceed this threshold without risking thermal shutdown. In layouts where connectors or test points might accidentally short, this limitation necessitates careful routing—avoiding long unshielded traces that could act as antennas or introduce impedance mismatches. Proper use of guard rings or creepage spacing further reduces fault probability.
How does the SP2260F3S handle bus contention when multiple drivers attempt to transmit simultaneously on a shared line?
The SP2260F3S does not resolve bus contention internally; it simply reflects the highest-strength driver signal present. Since all compliant transceivers share the same dominant logic levels, simultaneous transmission leads to destructive voltage conflicts unless protocol-level arbitration (e.g., CSMA/CA or master-slave scheduling) prevents it. Designers must implement strict software control or use open-collector variants (like the SP2262) if collision handling is required—otherwise, excessive current flow through parallel drivers risks damaging both devices.
Can the SP2260F3S operate reliably in environments with high ambient RF fields, such as near radio transmitters or Wi-Fi routers?
The SP2260F3S is not specifically designed for radiated immunity beyond basic conducted noise mitigation. Strong RF fields (>30 dBµV/m) near 2.4 GHz bands can induce capacitive coupling onto unshielded differential lines, potentially corrupting data. To mitigate this, keep signal traces short (<10 cm), use twisted-pair cabling with shielding, and place the transceiver away from RF sources. In severe cases, ferrite beads or common-mode chokes improve rejection of externally coupled energy.
What is the typical propagation delay skew between driver and receiver paths in the SP2260F3S, and how does it affect multi-node synchronization?
Internal propagation delay skew is typically less than 10 ns between transmitter and receiver channels. While individually small, cumulative skew across multiple nodes in a daisy-chained topology can degrade timing margins at high speeds. For applications requiring precise synchronization (e.g., distributed motor control), this may necessitate tighter clock discipline or shorter network segments. At 10 Mbps, however, this skew remains negligible compared to overall bit period (100 ns).
Is there any advantage to using the SP2260F3S in single-supply versus dual-supply configurations, and what are the trade-offs in analog signal conditioning?
The SP2260F3S supports single-supply operation (typically 3.3V or 5V), simplifying power architecture in modern digital systems. Dual-supply designs (e.g., ±5V) were common in legacy RS-422 implementations but offer no functional benefit here. Single-supply operation reduces component count and cost, though it limits input common-mode range flexibility. For most digital communication links, this trade-off is favorable, especially in embedded systems constrained by space and energy budgets.
How does the SP2260F3S perform when driving long cables (>100 m) at 9600 baud, and what design considerations ensure reliable communication?
At 9600 baud, the SP2260F3S can reliably drive cables up to 1200 meters using appropriate gauge wire (e.g., AWG22 or thinner) and proper termination. However, even at low data rates, impedance mismatch and capacitance accumulation cause signal attenuation and ringing. To maintain integrity, use twisted-pair cables with characteristic impedance near 120Ω, minimize stub lengths, and include termination resistors at both ends. Shielded variants should have shields grounded at one end only to avoid ground loops.
What is the recommended creepage and clearance distance around the SP2260F3S for safety certification in industrial equipment?
For reinforced insulation per IEC 60950-1 or similar standards, a minimum creepage distance of 8 mm and clearance of 6 mm should be maintained between primary and secondary circuits. Given the SIP3 package’s compact footprint, careful PCB stackup and slotting may be required to meet these requirements. Adhering to these distances prevents arcing under polluted or humid conditions, ensuring compliance with UL, CE, or other regulatory marks essential for market deployment.
Can the SP2260F3S interface directly with 1.8V microcontrollers without level shifting, and what voltage thresholds apply?
No, the SP2260F3S operates at standard logic levels compatible with 3.3V or 5V systems. Its receiver input thresholds are centered around 0.2×VCC for low and 0.8×VCC for high, meaning a 1.8V MCU cannot safely drive its inputs without risking undervoltage lockout or undefined states. A dedicated level translator or open-drain configuration with pull-ups to 3.3V is necessary for reliable bidirectional communication between domains.

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
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  3. Standardized full-process testing
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
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SP2260F3S

POWER
32D-SP2260F3S

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