SI4461-C2A-GMR

The SI4461-C2A-GMR is a highly integrated, low-power wireless transceiver from Silicon Labs, part of the EZRadioPRO® family. It is designed for applications in the Sub-GHz ISM (Industrial, Scientific, and Medical) band, offering frequencies ranging from 119 to 1050 MHz. This transceiver is ideal for various wireless applications, including smart meters, alarm systems, industrial monitoring, and home automation.
Key features of the SI4461-C2A-GMR include excellent sensitivity down to -126 dBm, output power up to +20 dBm, and low current consumption, making it suitable for battery-operated devices. It supports data rates from 100 bps to 1 Mbps and offers a range of modulation schemes like GFSK, FSK, and OOK, enhancing its flexibility for different applications.
The device provides robust performance with features like frequency hopping, antenna diversity, and advanced packet handling, which ensures reliable communication. It also includes a built-in 128-byte FIFO, simplifying data handling. Its compact size and ease of integration, combined with regulatory compliance in major global markets, make the SI4461-C2A-GMR a versatile choice for wireless communication solutions.

The SI4461-C2A-GMR is a highly integrated and flexible radio transceiver chip designed for wireless communication applications. Key features include:
1. Frequency Range: Operates within a range of 119 to 1050 MHz, making it suitable for a variety of global frequency bands.
2. Modulation Schemes: Supports multiple modulation types including 2GFSK, 4GFSK, OOK, and ASK, providing flexibility for different application needs.
3. Data Rates: Capable of handling data rates from 100 bps to 1 Mbps, accommodating both low and high-speed data transmission.
4. Low Power Consumption: Optimized for battery-powered applications, it features low current consumption in both active and standby modes.
5. High Precision RF Synthesizer: Offers excellent phase noise performance, enhancing communication reliability.
6. Range and Sensitivity: Provides a sensitivity of up to -126 dBm, enabling long-range communication with robust link performance.
7. Integrated Functions: Includes an automatic frequency control (AFC), preamble detection, and a packet handler to simplify design.
8. Configuration Options: Supports extensive programmable options via an SPI interface, allowing easy customization.
The SI4461-C2A-GMR is ideal for applications such as remote controls, home automation, and telemetry systems due to its versatile feature set and efficient performance.

The SI4461-C2A-GMR is a part of the Si446x family of wireless transceivers, typically housed in a compact 20-pin QFN (Quad Flat No-lead) package, which is known for its small footprint and efficient heat dissipation capabilities, making it suitable for space-constrained applications.

The SI4461-C2A-GMR is a part of the Si446x family of radio ICs produced by Silicon Labs. This specific model is a low current, sub-GHz wireless transceiver. The chip is typically found in applications that require long-range wireless communication capabilities.
The SI4461-C2A-GMR is housed in a 20-pin QFN (Quad Flat No-Lead) package. The main functions of these pins include:
1. RF input/output.
2. Antenna matching.
3. Power supply pins.
4. Ground connections.
5. Digital control interfaces such as SPI (Serial Peripheral Interface) for communication with a host microcontroller.
6. GPIO (General Purpose Input/Output) pins that can be configured for various functions like interrupts or control signals.
7. Crystal oscillator connections to connect an external frequency reference.
8. Additional pins for auxiliary functions such as analog and digital test pins.
This IC is designed for ease of integration into wireless applications, offering a good balance of performance, range, and power consumption, making it suitable for a variety of IoT and remote sensing applications.

The SI4461-C2A-GMR is manufactured by Silicon Labs (Silicon Laboratories Inc.). Silicon Labs is a technology company that designs and produces semiconductors, software, and solutions for various industries, including the Internet of Things (IoT), industrial automation, consumer electronics, and telecommunications. The company is known for creating energy-efficient, highly integrated ICs that enable wireless communication, microcontrollers, and sensors, among other applications. Silicon Labs is headquartered in Austin, Texas, and is recognized for its innovation in developing technologies that support smart and connected devices.

The SI4461-C2A-GMR is a high-performance, low-current RF transceiver suitable for a variety of wireless applications. Its application areas include wireless sensor networks, industrial monitoring and control, home and building automation, remote control systems, and smart metering. It is also used in security systems, asset tracking, and data acquisition systems due to its robust performance and reliable data transmission capabilities.

The SI4461-C2A-GMR is a sub-GHz RF transceiver by Silicon Labs. Equivalent products from other manufacturers include:
1. TI CC1120 - A high-performance RF transceiver for narrowband systems by Texas Instruments.
2. Nordic Semiconductor nRF905 - A multi-protocol transceiver for 433/868/915 MHz bands.
3. Semtech SX1276 - A part of the LoRa series with long range and low power capabilities.
4. Microchip AT86RF215 - A dual-band transceiver supporting sub-GHz and 2.4 GHz bands.
These products have similar functionalities for wireless communication in sub-GHz frequency bands.