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SI8420AB-D-IS
Electronics Part Number
SI8420AB-D-IS-WX
SI8420AB-D-IS
Description
Dual Channel Isolator, 2500Vrms, SOIC-8, General PurposeInventory
88 Pcs New Original In Stock
Dual-channel digital isolator in 8-SOIC; 2500Vrms, 1Mbps, 25kV/µs common-mode transient immunity; protects low-voltage logic from high-voltage noise.
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Minimum 1
Minimum 1
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Freight
Basic cost: USD 70.00
Actual cost may vary depending on weight and destination
Shipping method
Shipped from Hong Kong via FedEx/DHL/UPS/TNT
Delivery Time
In-stock items: Ready to ship in 1-2 days
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Technical Specifications
Category
Color Sensors
Manufacturer
Packaging
-
Operating Temperature
-30°C ~ 70°C
Package / Case
6-VFDFN
Series
-
Features
Gain Control
Product Status
Obsolete
Voltage - Supply
4.5 V ~ 5.5 V
Output
Voltage, RGB
Current - Supply (Max)
500µA @ 5V
Resolution (Bits)
-
Data Sheet Document (D)
Datasheets
Download TCS3104FN Product Specification (PDF)
HTML Datasheet
TCS3104FN-DG
Design Resources
Development Tool Selector
Environmental & Export Classification
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
TCS3104-FN 300210003 TCS3104-FN-DG TCS3104FNCT TCS3104FNTR TCS3104FNDKR
Standard Package
3,500
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the TCS3104FN in a new color sensing application given i
The TCS3104FN is listed as obsolete, which introduces significant supply chain and long-term support risks for new designs. Engineers should avoid design-in for high-volume or long-lifecycle products due to potential unavailability. If used, secure a lifetime buy or confirm with distributors for remaining stock (29,900 units available). Consider redesigning with active alternatives like the TCS34725 or OPT3001 for future-proofing and better support.
How does the TCS3104FN's voltage output interface affect signal integrity in mixed-signal PCB layout
The TCS3104FN provides analog voltage outputs for RGB channels, which are susceptible to noise in noisy digital environments. To maintain signal integrity, use guarded traces, limit trace lengths, add local RC filtering, and separate analog ground from digital ground with a single-point connection. Operate the supply with a clean 4.5V–5.5V source and include a 0.1µF ceramic bypass capacitor close to the VDD pin.
Can the TCS3104FN replace the TCS3200 in existing color detection systems, and what are the critical
While both the TCS3104FN and TCS3200 are color sensors, they differ significantly in output type and interface. The TCS3200 uses frequency output, whereas the TCS3104FN provides analog voltage outputs for RGB. This requires redesigning the signal conditioning and ADC interface circuitry. Additionally, the TCS3104FN lacks built-in photodiode-to-frequency conversion logic, so MCU firmware and timing assumptions must be revised. Calibration will also differ due to gain control behavior and spectral response variances.
What thermal and environmental limits should be considered when deploying the TCS3104FN in industria
The TCS3104FN operates from -30°C to 70°C, which may be insufficient for enclosed or outdoor industrial fixtures where ambient temperatures exceed 70°C. Derating or thermal buffering may be required. Additionally, the sensor’s glass lid is sensitive to condensation and contamination—use conformal coating or protective barriers in high-humidity environments. The MSL 3 rating requires controlled storage and assembly within 168 hours of exposure to >60% RH unless re-baked.
How does the gain control feature in the TCS3104FN impact dynamic range and low-light performance co
The TCS3104FN's analog gain control improves sensitivity in low-light conditions but requires external circuitry (e.g., op-amps or variable feedback) to adjust gain effectively, increasing design complexity. Unlike the VEML6040, which offers digital gain control via I2C and built-in ADC for better noise immunity and resolution, the TCS3104FN demands careful PCB layout and ADC selection. For applications requiring wide dynamic range and ambient light adaptation, the VEML6040 or AS7341 offer more flexibility and integration.
What are the key design-in risks when using the TCS3104FN in a new color sensing application given i
The TCS3104FN is listed as obsolete, which introduces significant supply chain and long-term support risks for new designs. Engineers should avoid design-in for high-volume or long-lifecycle products due to potential unavailability. If used, secure a lifetime buy or confirm with distributors for remaining stock (29,900 units available). Consider redesigning with active alternatives like the TCS34725 or OPT3001 for future-proofing and better support.
How does the TCS3104FN's voltage output interface affect signal integrity in mixed-signal PCB layout
The TCS3104FN provides analog voltage outputs for RGB channels, which are susceptible to noise in noisy digital environments. To maintain signal integrity, use guarded traces, limit trace lengths, add local RC filtering, and separate analog ground from digital ground with a single-point connection. Operate the supply with a clean 4.5V–5.5V source and include a 0.1µF ceramic bypass capacitor close to the VDD pin.
Can the TCS3104FN replace the TCS3200 in existing color detection systems, and what are the critical
While both the TCS3104FN and TCS3200 are color sensors, they differ significantly in output type and interface. The TCS3200 uses frequency output, whereas the TCS3104FN provides analog voltage outputs for RGB. This requires redesigning the signal conditioning and ADC interface circuitry. Additionally, the TCS3104FN lacks built-in photodiode-to-frequency conversion logic, so MCU firmware and timing assumptions must be revised. Calibration will also differ due to gain control behavior and spectral response variances.
What thermal and environmental limits should be considered when deploying the TCS3104FN in industria
The TCS3104FN operates from -30°C to 70°C, which may be insufficient for enclosed or outdoor industrial fixtures where ambient temperatures exceed 70°C. Derating or thermal buffering may be required. Additionally, the sensor’s glass lid is sensitive to condensation and contamination—use conformal coating or protective barriers in high-humidity environments. The MSL 3 rating requires controlled storage and assembly within 168 hours of exposure to >60% RH unless re-baked.
How does the gain control feature in the TCS3104FN impact dynamic range and low-light performance co
The TCS3104FN's analog gain control improves sensitivity in low-light conditions but requires external circuitry (e.g., op-amps or variable feedback) to adjust gain effectively, increasing design complexity. Unlike the VEML6040, which offers digital gain control via I2C and built-in ADC for better noise immunity and resolution, the TCS3104FN demands careful PCB layout and ADC selection. For applications requiring wide dynamic range and ambient light adaptation, the VEML6040 or AS7341 offer more flexibility and integration.
Quality Assurance (QC)
WINSURE ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
Sep 15 2026
