SI4438-C2A-GM RF/IF and RFID |
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Allicdata Part #: | 336-3095-ND |
Manufacturer Part#: |
SI4438-C2A-GM |
Price: | $ 0.00 |
Product Category: | RF/IF and RFID |
Manufacturer: | Silicon Labs |
Short Description: | IC RF TXRX+MCU ISM ... |
More Detail: | IC RF TxRx + MCU General ISM ... |
DataSheet: | SI4438-C2A-GM Datasheet/PDF |
Quantity: | 91 |
Specifications
Series: | -- |
Packaging: | Tray |
Part Status: | Active |
Type: | TxRx + MCU |
RF Family/Standard: | General ISM |
Protocol: | -- |
Modulation: | FSK, GFSK, GMSK, OOK |
Frequency: | 425MHz ~ 525MHz |
Data Rate (Max): | 500kbps |
Power - Output: | 20dBm (Max) |
Sensitivity: | -124dBm |
Memory Size: | -- |
Serial Interfaces: | SPI |
GPIO: | 4 |
Voltage - Supply: | 1.8 V ~ 3.6 V |
Current - Receiving: | 13.7mA |
Current - Transmitting: | 75mA |
Operating Temperature: | -40°C ~ 85°C |
Package / Case: | 20-VFQFN Exposed Pad |
Description
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(, , , )SI4438-C2A-GM Application Field and Working Principle
Introduction
RF Transceiver ICs are integrated circuits (ICs) that transmit and receive digital radio signals in a wireless communication system. These ICs are widely used in applications such as cellular phones, Wi-Fi routers, and Bluetooth headsets. The SI4438-C2A-GM is an RF Transceiver IC from Silicon Labs. In this article, we will discuss the application fields and working principle of the SI4438-C2A-GM.Application Fields
The SI4438-C2A-GM is a low-cost, low-power, long-range RF transceiver IC designed for applications such as remote monitoring and control, home/building automation, motor control, security/anti-theft systems, and wireless data transmission. It supports a wide range of data rates from MSK to GFSK, as well as on-air protocol control. The chip also has many features that make it suitable for various applications such as:- Direct-sequence spread spectrum modulation: This feature allows for more robust signal transmission in environments with high interference.
- Low current consumption: The chip runs on a supply voltage of 1.8V to 3.3V and consumes only 9 mA during transmit mode and 5 mA during receive mode.
- High sensitivity: The chip can receive signals as weak as -120 dBm, making it a great choice for applications in remote areas.
- Multiple frequency bands: The SI4438-C2A-GM supports two frequency bands: 433 MHz and 868 MHz. This makes it suitable for use in a variety of global locations.
Working Principle
The SI4438-C2A-GM works by using spread spectrum techniques to reduce the amount of interference with other radio signals. The chip uses direct-sequence spread spectrum modulation, which means that each data bit is spread out over a wide range of frequencies. This reduces interference and makes the signal more robust.The chip also uses an optimized circuit design to reduce current consumption while increasing the data rate. The chip also uses advanced power management techniques to reduce power consumption while increasing range and data rates.Conclusion
The SI4438-C2A-GM is a low-cost, low-power, long-range RF transceiver IC designed for applications such as remote monitoring and control, home/building automation, motor control, security/anti-theft systems, and wireless data transmission. It supports a wide range of data rates from MSK to GFSK, as well as on-air protocol control. The chip uses direct-sequence spread spectrum modulation and advanced power management techniques, making it suitable for various applications in various locations.The specific data is subject to PDF, and the above content is for reference
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