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HomeProductsRF/IF and RFIDRF Transceiver ICsSI4438-C2A-GM
Silicon Labs
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See specifications for product details.

SI4438-C2A-GM - Silicon Labs

Manufacturer Part Number
SI4438-C2A-GM
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-SI4438-C2A-GM
ECAD Model
Parts Description
IC RF TXRX ISM<1GHZ 20VFQFN
Detailed Description
Package
20-VFQFN Exposed Pad
Data sheet
Cylindrical Battery Holders.pdf
SI4438-C.pdf
RoHs Status
RoHS Compliant
In stock: 7710

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Quantity

Specifications

SI4438-C2A-GM Tech Specifications
Silicon Labs - SI4438-C2A-GM technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - SI4438-C2A-GM

Product Attribute Attribute Value  
Manufacturer Energy Micro (Silicon Labs)  
Voltage - Supply 1.8V ~ 3.6V  
Type TxRx Only  
Supplier Device Package 20-QFN (4x4)  
Series -  
Serial Interfaces SPI  
Sensitivity -124dBm  
RF Family/Standard General ISM < 1GHz  
Protocol -  
Power - Output 20dBm (Max)  
Package / Case 20-VFQFN Exposed Pad  
Product Attribute Attribute Value  
Package Tray  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Modulation FSK, GFSK, GMSK, OOK  
Memory Size -  
GPIO 4  
Frequency 425MHz ~ 525MHz  
Data Rate (Max) 500kbps  
Current - Transmitting 75mA  
Current - Receiving 13.7mA  
Base Product Number SI4438  

Parts Introduction

Manufacturer Part Number

SI4438-C2A-GM

Manufacturer

Energy Micro (Silicon Labs)

Introduction

Highly integrated multi-channel sub-GHz RF transceiver IC

Suitable for a wide range of low-power wireless applications

Product Features and Performance

Operating frequency range: 425MHz to 525MHz

Supports multiple modulation schemes: FSK, GFSK, GMSK, OOK

Maximum data rate: 500kbps

High output power: up to 20dBm

High receiver sensitivity: -124dBm

Low current consumption: 13.7mA in receive mode, 75mA in transmit mode

Wide operating temperature range: -40°C to 85°C

Integrated 4 GPIOs for flexible configuration

Product Advantages

Highly integrated, reducing design complexity and component count

Excellent RF performance and power efficiency

Wide frequency and temperature range for versatile applications

Configurable interface and peripherals for flexibility

Key Technical Parameters

Frequency range: 425MHz to 525MHz

Supply voltage: 1.8V to 3.6V

Package: 20-VFQFN Exposed Pad

Quality and Safety Features

RoHS compliant

Manufactured in a quality-controlled environment

Compatibility

Compatible with various sub-GHz wireless protocols and standards

Application Areas

Wireless sensor networks

Industrial automation and control

Home and building automation

Metering and smart grid applications

Short-range wireless communication systems

Product Lifecycle

This product is currently in active production and not near discontinuation

Replacement or upgrade options may be available from the manufacturer

Several Key Reasons to Choose This Product

Excellent RF performance and power efficiency for low-power wireless applications

Wide frequency and temperature range for diverse use cases

Highly integrated design simplifying system development

Configurable interface and peripherals for flexible implementation

Proven reliability and quality from a reputable manufacturer

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs SI4438-C2A-GM

Product Attribute SI4438-C2A-GM SI4438-B1C-FMR SI4438-B1C-FM SI4438-C2A-GMR
Part Number SI4438-C2A-GM SI4438-B1C-FMR SI4438-B1C-FM SI4438-C2A-GMR
Manufacturer Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Current - Receiving 13.7mA 14mA 14mA 13.7mA
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Serial Interfaces SPI SPI SPI SPI
Sensitivity -124dBm -124dBm -124dBm -124dBm
Protocol - - - -
Voltage - Supply 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V
Frequency 425MHz ~ 525MHz 425MHz ~ 525MHz 425MHz ~ 525MHz 425MHz ~ 525MHz
Type TxRx Only TxRx Only TxRx Only TxRx Only
Supplier Device Package 20-QFN (4x4) 20-QFN (4x4) 20-QFN (4x4) 20-QFN (4x4)
Base Product Number SI4438 SI4438 SI4438 SI4438
Modulation FSK, GFSK, GMSK, OOK FSK, GFSK, GMSK, OOK FSK, GFSK, GMSK, OOK FSK, GFSK, GMSK, OOK
RF Family/Standard General ISM < 1GHz General ISM < 1GHz General ISM < 1GHz General ISM < 1GHz
Memory Size - - - -
Package Tray Tape & Reel (TR) Tray Tape & Reel (TR)
Power - Output 20dBm (Max) 20dBm (Max) 20dBm (Max) 20dBm (Max)
Data Rate (Max) 500kbps 500kbps 500kbps 500kbps
GPIO 4 4 4 4
Package / Case 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad
Series - - - -
Current - Transmitting 75mA 75mA 75mA 75mA
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C

SI4438-C2A-GM Datasheet PDF

Download SI4438-C2A-GM pdf datasheets and Silicon Labs documentation for SI4438-C2A-GM - Silicon Labs.

Datasheets
Cylindrical Battery Holders.pdf
PCN Packaging
Labeling Change 14/Dec/2021.pdf IC/SIP MOQ Chg 11/Jan/2022.pdf
PCN Assembly/Origin
Assembly/Test Site 08/Feb/2023.pdf Si4x5x/Si4x6x 08/Mar/2023.pdf
HTML Datasheet
SI4438-C.pdf

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.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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Silicon Labs

SI4438-C2A-GM

Silicon Labs
32D-SI4438-C2A-GM

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