| Parameters |
| Factory Lead Time |
8 Weeks |
| Mounting Type |
Surface Mount |
| Package / Case |
20-VFQFN Exposed Pad |
| Surface Mount |
YES |
| Number of Pins |
20 |
| Operating Temperature |
-40°C~85°C |
| Packaging |
Tape & Reel (TR) |
| Published |
2001 |
| Part Status |
Active |
| Moisture Sensitivity Level (MSL) |
1 (Unlimited) |
| Number of Terminations |
20 |
| Type |
TxRx + MCU |
| Voltage - Supply |
1.8V~3.6V |
| Terminal Position |
QUAD |
| Terminal Form |
NO LEAD |
| Number of Functions |
1 |
| Supply Voltage |
3.3V |
| Terminal Pitch |
0.5mm |
| Frequency |
425MHz~525MHz |
| Max Supply Current |
10μA |
| Power - Output |
20dBm Max |
| RF Family/Standard |
General ISM < 1GHz |
| Data Rate (Max) |
500kbps |
| Serial Interfaces |
SPI |
| Current - Receiving |
14mA |
| Current - Transmitting |
75mA |
| Number of Receivers |
1 |
| Modulation |
FSK, GFSK, GMSK, OOK |
| Sensitivity (dBm) |
-124 dBm |
| GPIO |
4 |
| Height Seated (Max) |
0.9mm |
| RoHS Status |
RoHS Compliant |
SI4438-B1C-FMR Overview
On the board, there is also a 20-VFQFN Exposed Pad package that saves space.As far as RF transceiver's mounting is concerned, Surface Mount is adopted.With transceiver RF's high reliability and efficiency, this emerges as a TxRx + MCU.High reliability is achieved using advanced transceiver RF' packaging Tape & Reel (TR).There are 20 pins on the transceiver RF circuit board.RF transceiver operates based on the frequency of 425MHz~525MHz.
SI4438-B1C-FMR Features
20-VFQFN Exposed Pad package
Surface Mount for mounting
TxRx + MCU
Tape & Reel (TR) is used
20 pins
SI4438-B1C-FMR Applications
There are a lot of Silicon Labs SI4438-B1C-FMR RF Transceiver ICs applications.
- Wireless Price Tags
- LoT applications
-
- Chemical Sensors
- LED Lighting
- Retail
- Smart Meters
- Switch
- Utility and Smart Energy
- Fitness