Device/Module image

Si4438

The Si4438 EZRadioPRO ISM Band supports a frequency range between 425 and 525 MHz and output power range between -20 and 20 dBm. The Si4438 is available in a QFN20 package. The Si4438-C2A radio transceiver chip represents the newest generation of the EZRadioPRO family with improved performance, new features and flexibility combined with simplicity and cost efficiency over the older, Si4438-B1B revision.
 

Key Specs

 
Output Power (dBm)
20
FSK (kbps)
500
OOK (kbps)
120
RX Sensitivity (dBm)
1.1
Output Power (dBm)
20
FSK (kbps)
500
OOK (kbps)
120
RX Sensitivity (dBm)
1.1
EZRadioPRO Block Diagram

Quality Assurance, Environmental and Packaging Information

Silicon Labs targets a minimum of a 10-year lifecycle for all of its standard producs and expects to produce the Si4438 until at least October 2027.

The longevity date shown above is for the preferred revision of this part number, for a complete list of part number revisions, use the search button below.

As part of its ongoing commitment to supply continuity, Silicon Labs may provide pin-compatible and functionally equivalent replacement products if Silicon Labs determines, at its discretion, that supply chain adjustments, product improvements, market conditions, or similar business or technical issues make this necessary or advisable.

If for business, technical or other reasons beyond Silicon Labs’ reasonable control, Silicon Labs finds that it is necessary to discontinue a product, our policy is to issue an EOL notice that provides 6 months from notice to place final orders and 12 months from notice for final shipments. This policy complies with the JEDEC standard EIA/JESD48 that is commonly used in the semiconductor industry. We provide the required support for a product for its full life cycle.

Find and download additional quality, environmental, device composition, test results, shipping and supply chain information for Silicon Labs devices.

Search results will include:

  • Product Information
  • Packing Information
  • Quality System Certifications
  • Financial Information
  • Conflict Minerals (CMRT)
  • Environmental Information
    • RoHS Certificate of Compliance
    • REACH Declaration
    • Detailed Device Composition (MDDS)
    • MCD/FMD
  • Qualification Data
  • Trade Compliance: ECC/HTS Codes
  • Supply Chain Information
  • IPC 1752-2 Class 6 (XML format)
  • ICP Test Reports
  • Halogen-Free Certificate of Compliance
  • PFOS/PFOA Certificate of Compliance
  • Supply Assurance Letter (Longevity)
Close
Loading Results
Close