Telecom IC featuring a 525MHz frequency range (425MHz to 525MHz) and 500Kbps data rate. This QFN-packaged component offers 20dBm output power and -124dBm sensitivity, with an SPI interface. Operating voltage is 1.8V to 3.6V, drawing 14mA in receive and 75mA in transmit modes. Includes 4 GPIO pins and operates from -40°C to 85°C.
Frequency525MHz
PackageQFN
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Technical Specifications
Silicon Labs SI4438-B1C-FM technical specifications.
General
Package/Case
QFN
Current - Receiving
14mA
Current - Transmitting
75mA
Data Rate
500Kbps
Frequency
525MHz
Height
0.85mm
Interface
SPI
Length
4mm
Max Frequency
525MHz
Min Frequency
425MHz
Max Operating Temperature
85°C
Min Operating Temperature
-40°C
Max Supply Voltage
3.6V
Min Supply Voltage
1.8V
Number of GPIO
4
Operating Supply Voltage
3.3V
Output Power (dBm)
20dBm
Package Quantity
75
Packaging
Rail/Tube
Reach SVHC Compliant
Unknown
RoHS Compliant
Yes
Sensitivity
-124dBm
Weight
0.000582oz
Width
4mm
Compliance
RoHS
Compliant
Datasheet
Silicon Labs SI4438-B1C-FM Datasheet
Download the complete datasheet for Silicon Labs SI4438-B1C-FM to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
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