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Skyworks Solutions Inc. SI8380PS-IUR
- Part No.:
- SI8380PS-IUR
- Manufacturer:
- Skyworks Solutions Inc.
- Category:
- Digital Isolators
- Package:
- 20-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
SI8380PS-IUR.pdf
- Description:
- DGTL ISO 2500VRMS 8CH GP 20QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,460
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Product details
Overview
SI8380PS-IUR from Skyworks Solutions is an 8-channel bipolar digital field input isolator for industrial PLC and I/O module applications. It supports 24 V sinking or sourcing inputs with integrated 2.5 kVRMS CMOS isolation, no VDD required on the field side, 100 ms low-pass debounce filtering, and 2.25–5.5 V output-side supply. It enables IEC 61131-2 Type 1/2/3 compliance with external resistor networks.
For engineers reviewing the SI8380PS-IUR datasheet, SI8380PS-IUR pinout, SI8380PS-IUR application, or SI8380PS-IUR equivalent, key selection considerations include field-side power-free operation, configurable noise immunity via fixed 100 ms debounce, QSOP-20 package compatibility, and parallel-output interface timing for deterministic industrial control signal acquisition.
Technical Context
The SI8380PS-IUR implements a CMOS-based capacitive isolation barrier with OOK modulation, eliminating optical components and enabling bipolar (sinking/sourcing) 24 V input behavior without field-side power. Each channel uses a diode-bridge LED emulator front end to drive the modulator, supporting direct connection to standard industrial sensors and switches.
Its parallel output architecture provides eight flow-through digital outputs (B1–B8), all routed through a fixed 100 ms low-pass debounce filter-no SPI configuration required. The device operates across –40 °C to +125 °C and features 300 kV/μs CMTI, ensuring robust noise rejection in electrically noisy factory environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Configuration | Bipolar 24 V sinking or sourcing; no field-side VDD needed |
| Isolation Rating | 2.5 kVRMS withstand voltage per UL 1577, VDE 0884-10 |
| Debounce Filter | Fixed 100 ms low-pass filter on all 8 channels; improves noise immunity in dirty industrial environments |
| Data Rate | Up to 2 Mbps; supports fast response for real-time I/O monitoring |
| Supply Range | 2.25–5.5 V VDD; compatible with common industrial logic rails |
| Operating Temp | –40 °C to +125 °C; qualified for extended industrial temperature operation |
| CMTI | 300 kV/μs; prevents false triggering during high dv/dt transients |
Pinout & Package
SI8380PS-IUR is housed in a RoHS-compliant 20-pin QSOP package (7.0 mm × 9.9 mm, 0.65 mm pitch) with reinforced creepage/clearance for industrial safety compliance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1–A8 | Field-side input channels | Accept 24 V sinking or sourcing signals; internally powered via LED emulator |
| COM (A19, A20) | Field-side common return | Reference for all 8 input channels; connects to sensor ground or supply return |
| B1–B8 | Logic-side output channels | Active-high digital outputs; flow-through with 100 ms debounce applied |
| VDD (Pin 16) | Output-side supply | Powers internal logic and output drivers; range 2.25–5.5 V |
| GND (Pin 15) | Output-side ground | Return path for VDD and all Bx outputs; must be isolated from field-side COM |
Key Features
| Feature | Design Value |
|---|---|
| Bipolar 24 V interface | Eliminates need for separate sink/source input modules; reduces BOM count and board space |
| Integrated 2.5 kVRMS isolation | Replaces optocouplers with higher reliability, longer service life, and tighter channel matching |
| 100 ms fixed debounce | Suppresses contact bounce and EMI-induced glitches without firmware or external RC networks |
| No field-side power required | Simplifies field wiring and eliminates need for isolated DC-DC converters on sensor side |
| IEC 61131-2 Type 1/2/3 compliance | Enables drop-in use in certified PLC hardware with validated resistor network design guidance |
Applications
| Programmable Logic Controllers | Industrial I/O Modules |
|---|---|
Use Scenario: Digital input acquisition in modular PLC backplanes handling discrete sensor signals from factory floor equipment. IC Role / Device Role / Timing Role: Isolated field-to-logic interface converting 24 V sinking/sourcing switch states into clean, debounced CMOS-level signals for MCU GPIO. Use Value: 100 ms debounce ensures stable state capture of mechanical limit switches and pushbuttons in high-vibration environments. | Use Scenario: Compact DIN-rail mounted I/O modules aggregating signals from multiple machine subsystems. IC Role / Device Role / Timing Role: Eight-channel galvanic barrier providing safety-rated isolation between hazardous field wiring and safe logic domain. Use Value: 2.5 kVRMS rating and VDE 0884-10 certification enable single-component compliance with functional safety requirements. |
| Distributed Control Systems | Motion Control Systems |
Use Scenario: Remote terminal units (RTUs) acquiring status from pumps, valves, and actuators across large plant areas. IC Role / Device Role / Timing Role: Field-side powered digital input conditioner with deterministic propagation delay and high CMTI. Use Value: 300 kV/μs CMTI prevents false triggers during motor drive switching noise, improving system uptime. | Use Scenario: Safety-critical motion controllers monitoring emergency stop circuits and position feedback switches. IC Role / Device Role / Timing Role: Certified isolated input stage meeting IEC 61131-2 Type 3 requirements for slow-switching safety functions. Use Value: Fixed 100 ms debounce satisfies Type 3 timing thresholds without software intervention or calibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital field input isolator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SI8380PF-IUR | Same 8-channel parallel output, but with fixed 10 ms debounce filter | Suitable for faster-switching inputs like proximity sensors where 100 ms would cause unacceptable latency | Select SI8380PF-IUR when shorter debounce time is required while retaining identical pinout and isolation specs |
| SI8380P-IUR | Same 8-channel parallel output, but with no built-in debounce filter (0 ms) | Requires external RC filtering or firmware debouncing; used where maximum responsiveness is critical | Select SI8380P-IUR only when system-level filtering is already implemented and deterministic 100 ms delay is undesirable |
Compared with SI8380PF-IUR and SI8380P-IUR, the SI8380PS-IUR delivers the longest factory-configured debounce (100 ms), making it optimal for electromechanical switch interfaces where contact bounce dominates noise concerns-without requiring layout changes or firmware adaptation.
Availability
SI8380PS-IUR is available at Aetrix Electronics and suitable for programmable logic controllers, industrial I/O modules, and distributed control systems requiring stable component supply, long-term lifecycle support, and certified safety isolation.
Supply support for SI8380PS-IUR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Skyworks Solutions is a global semiconductor company specializing in analog and mixed-signal connectivity solutions, with leadership in RF, timing, and isolation technologies.
The Si838x product line was designed specifically for industrial digital input conditioning-replacing aging optocoupler-based designs with high-reliability, low-power, CMOS-isolated alternatives that simplify IEC 61131-2 compliance.
FAQ
What is the debounce filter delay for SI8380PS-IUR?
The SI8380PS-IUR integrates a fixed 100 ms low-pass debounce filter on all eight input channels. This value is factory-configured and non-adjustable-unlike SPI-enabled variants such as the SI8380S. It is optimized for mechanical switch and relay inputs where long-duration contact bounce must be suppressed without software involvement. The 100 ms setting satisfies IEC 61131-2 Type 3 requirements.
Does SI8380PS-IUR require a power supply on the field side?
No, the SI8380PS-IUR does not require any power supply on the field side. Its bipolar LED emulator input draws operating current directly from the 24 V input signal-enabling true field-side power-free operation. This eliminates the need for isolated DC-DC converters or auxiliary supplies in sensor wiring, reducing system cost and complexity while improving reliability.
What safety certifications does SI8380PS-IUR hold?
The SI8380PS-IUR is certified to UL 1577 (2500 VRMS, 1 minute), VDE 0884-10, CSA Component Notice 5A, IEC 60950-1, IEC 62368-1, CQC, and GB4943.1. These approvals validate its 2.5 kVRMS isolation barrier for use in safety-critical industrial equipment, including PLCs and distributed control systems requiring reinforced insulation per IEC 61000-4 standards.
Can SI8380PS-IUR be used with 12 V or 48 V field inputs?
Yes, the SI8380PS-IUR supports other field voltages beyond 24 V through external resistor network adjustment. The datasheet provides design guidelines for adapting the input circuit to 12 V (Type 1) or 48 V (Type 2) per IEC 61131-2. The bipolar LED emulator front end maintains consistent turn-on current (~1 mA typ) across these ranges, preserving noise immunity and debounce performance.
What is the maximum data rate supported by SI8380PS-IUR?
The SI8380PS-IUR supports up to 2 Mbps data rate per channel. This high-speed capability ensures minimal propagation delay (< 1.5 µs typical) even with the 100 ms debounce enabled-making it suitable for both slow-switching safety functions and faster industrial monitoring tasks. The parallel output architecture guarantees deterministic timing without SPI overhead or daisy-chain latency.
SI8380PS-IUR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Skyworks Solutions Inc.
- Series:
- -
- Package/Case:
- 20-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Capacitive Coupling
- Type:
- General Purpose
- Isolated Power:
- No
- Number of Channels:
- 8
- Inputs - Side 1/Side 2:
- 8/0
- Channel Type:
- Unidirectional
- Voltage - Isolation:
- 2500Vrms
- Common Mode Transient Immunity (Min):
- 200kV/µs
- Data Rate:
- 250kbps
- Propagation Delay tpLH / tpHL (Max):
- -
- Pulse Width Distortion (Max):
- -
- Rise / Fall Time (Typ):
- 3.9ns, 3.7ns
- Voltage - Supply:
- 2.25V ~ 5.5V
- Grade:
- -
- Qualification:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-QSOP
SI8380PS-IUR FAQ
1.How can I place an order for SI8380PS-IUR through Aetrix?
Please submit a Request for Quotation (RFQ) for SI8380PS-IUR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SI8380PS-IUR reliable?
The price and inventory of SI8380PS-IUR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI8380PS-IUR is usually 5 days.
3.What payment methods are accepted for SI8380PS-IUR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI8380PS-IUR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI8380PS-IUR?
SI8380PS-IUR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI8380PS-IUR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SI8380PS-IUR?
For technical support, including SI8380PS-IUR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI8380PS-IUR requirements.
6.How does Aetrix verify that SI8380PS-IUR is sourced from the original manufacturer or authorized distributors?
All SI8380PS-IUR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SI8380PS-IUR meets industry standards.
7.What is the process for return or replacement of SI8380PS-IUR?
All SI8380PS-IUR units undergo pre-shipment inspection (PSI). If there is an issue with SI8380PS-IUR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SI8380PS-IUR part is unused and in its original packaging.
Return procedure for SI8380PS-IUR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SI8380PS-IUR Tags
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ISO1212DBQR
Texas Instruments
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ISO6721BDR
Texas Instruments
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SI8710AC-B-ISR
Skyworks Solutions Inc.
-
ISO7720FDR
Texas Instruments
-
ISO7721DR
Texas Instruments
-
ISO7721FDR
Texas Instruments
-
SI8710CC-B-ISR
Skyworks Solutions Inc.
-
ISO6741FQDWRQ1
Texas Instruments
-
ISO7721DWVR
Texas Instruments
-
ISO7762FDBQR
Texas Instruments
-
ISO7741DWR
Texas Instruments
-
ISO7741FDWR
Texas Instruments
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