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HomeProductsRF/IF and RFIDRF Transceiver ICsSI4461-B1B-FM
Silicon Labs
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SI4461-B1B-FM - Silicon Labs

Manufacturer Part Number
SI4461-B1B-FM
Manufacturer
Energy Micro (Silicon Labs)
Allelco Part Number
32D-SI4461-B1B-FM
ECAD Model
Parts Description
IC RF TXRX+MCU ISM<1GHZ 20VFQFN
Detailed Description
Package
20-VFQFN Exposed Pad
Data sheet
Wireless Product Selector Guide.pdf
Si4464,63,61,60.pdf
RoHs Status
RoHS Compliant
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In stock: 8196

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Specifications

SI4461-B1B-FM Tech Specifications
Silicon Labs - SI4461-B1B-FM technical specifications, attributes, parameters and parts with similar specifications to Silicon Labs - SI4461-B1B-FM

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 -126dBm  
RF Family/Standard General ISM < 1GHz  
Protocol -  
Power - Output 16dBm (Max)  
Package / Case 20-VFQFN Exposed Pad  
Product Attribute Attribute Value  
Package Tray  
Operating Temperature -40°C ~ 85°C  
Mounting Type Surface Mount  
Modulation 4GFSK, GFSK, GMSK, OOK  
Memory Size -  
GPIO 4  
Frequency 119MHz ~ 1.05GHz  
Data Rate (Max) 1Mbps  
Current - Transmitting 29mA ~ 43mA  
Current - Receiving 10.7mA ~ 13.7mA  
Base Product Number SI4461  

Parts Introduction

Manufacturer Part Number

SI4461-B1B-FM

Manufacturer

Energy Micro (Silicon Labs)

Introduction

RF Transceiver IC with integrated microcontroller

Product Features and Performance

Frequency range: 119MHz ~ 1.05GHz

Operating temperature: -40°C ~ 85°C

Supply voltage: 1.8V ~ 3.6V

Transmit current: 29mA ~ 43mA

Receive current: 10.7mA ~ 13.7mA

Max output power: 16dBm

Max data rate: 1Mbps

Sensitivity: -126dBm

Modulation: 4GFSK, GFSK, GMSK, OOK

4 GPIOs

SPI interface

Product Advantages

Wide frequency range

Low power consumption

High output power

High sensitivity

Flexible modulation options

Integrated microcontroller

Key Technical Parameters

Frequency range: 119MHz ~ 1.05GHz

Operating temperature: -40°C ~ 85°C

Supply voltage: 1.8V ~ 3.6V

Transmit current: 29mA ~ 43mA

Receive current: 10.7mA ~ 13.7mA

Max output power: 16dBm

Max data rate: 1Mbps

Sensitivity: -126dBm

Modulation: 4GFSK, GFSK, GMSK, OOK

GPIOs: 4

Interface: SPI

Quality and Safety Features

RoHS compliant

Compatibility

20-VFQFN Exposed Pad package

Surface mount

Application Areas

General ISM band applications under 1GHz

Wireless sensor networks

IoT devices

Industrial automation

Remote controls

Product Lifecycle

Currently available

No information on discontinuation or replacement

Key Reasons to Choose This Product

Wide frequency range for versatile applications

Low power consumption for battery-powered devices

High output power and sensitivity for reliable wireless links

Flexible modulation options for different communication protocols

Integrated microcontroller for reduced system complexity

RoHS compliance for environmental friendliness

Parts with Similar Specifications

The three parts on the right have similar specifications to Silicon Labs SI4461-B1B-FM

Product Attribute SI4461-B1B-FM SI4461-C2A-GMR SI4460-B1B-FMR SI4460-C2A-GMR
Part Number SI4461-B1B-FM SI4461-C2A-GMR SI4460-B1B-FMR SI4460-C2A-GMR
Manufacturer Silicon Labs Silicon Labs Silicon Labs Silicon Labs
Data Rate (Max) 1Mbps 1Mbps 1Mbps 1Mbps
Serial Interfaces SPI SPI SPI SPI
Supplier Device Package 20-QFN (4x4) 20-QFN (4x4) 20-QFN (4x4) 20-QFN (4x4)
Modulation 4GFSK, GFSK, GMSK, OOK 4GFSK, GFSK, GMSK, OOK 4GFSK, GFSK, GMSK, OOK 4GFSK, GFSK, GMSK, OOK
Type TxRx Only TxRx Only TxRx Only TxRx Only
Package / Case 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad 20-VFQFN Exposed Pad
Protocol - - - -
Series - - - -
Memory Size - - - -
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Power - Output 16dBm (Max) 16dBm 13dBm 12.5dBm (Max)
Voltage - Supply 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V 1.8V ~ 3.6V
Sensitivity -126dBm -129dBm -126dBm -129dBm
Frequency 119MHz ~ 1.05GHz 142MHz ~ 1.05GHz 119MHz ~ 1.05GHz 142MHz ~ 1.05GHz
Current - Transmitting 29mA ~ 43mA 33.5mA ~ 43mA 18mA 18mA ~ 24mA
Base Product Number SI4461 SI4461 SI4460 SI4460
Current - Receiving 10.7mA ~ 13.7mA 10.9mA ~ 13.7mA 10.7mA ~ 13.7mA 10.9mA ~ 13.7mA
GPIO 4 4 4 4
Package Tray Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
RF Family/Standard General ISM < 1GHz General ISM < 1GHz General ISM < 1GHz General ISM < 1GHz

SI4461-B1B-FM Datasheet PDF

Download SI4461-B1B-FM pdf datasheets and Silicon Labs documentation for SI4461-B1B-FM - Silicon Labs.

PCN Packaging
Labeling Change 14/Dec/2021.pdf IC/SIP MOQ Chg 11/Jan/2022.pdf
PCN Assembly/Origin
Site Change 18/Jan/2022.pdf
PCN Design/Specification
Si446y DS Rev 18/Aug/2020.pdf Si446x 20/Oct/2020.pdf
Errata
Si4x6x-B1B and Si4438-B1C Errata.pdf
HTML Datasheet
Wireless Product Selector Guide.pdf Si4464,63,61,60.pdf

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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.

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

View More
Silicon Labs

SI4461-B1B-FM

Silicon Labs
32D-SI4461-B1B-FM

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