Overview
The Silicon Labs SI4463-C2A-GMR is a high-performance, low-current transceiver designed for sub-GHz frequency bands, ranging from 142 to 1050 MHz. This device is part of the EZRadioPRO® family, which includes a comprehensive line of transmitters, receivers, and transceivers. The SI4463 is known for its outstanding sensitivity of –129 dBm and extremely low active and standby current consumption, making it ideal for a wide range of applications that require robust and efficient wireless communication.
Key Specifications
| Specification | Value |
|---|---|
| Frequency Range | 142–1050 MHz |
| Receive Sensitivity | –129 dBm |
| Modulation | (G)FSK, 4(G)FSK, (G)MSK, OOK |
| Max Output Power | +20 dBm (Si4463), +16 dBm (Si4461), +13 dBm (Si4460) |
| PA Support | +27 or +30 dBm with external FET |
| Active Power Consumption | 10/13 mA RX, 18 mA TX at +10 dBm (Si4460) |
| Power Down Modes | 30 nA shutdown, 40 nA standby |
| Preamble Sense Mode | 6 mA average RX current at 1.2 kbps, 10 µA average RX current at 50 kbps and 1-sec sleep interval |
| Data Rate | 100 bps to 1 Mbps |
| Power Supply | 1.8 to 3.8 V |
| Selectivity Performance | 69 dB adjacent channel, 79 dB blocking at 1 MHz |
| Package | 20-Pin QFN with exposed pad |
Key Features
- High-performance, low-current transceiver with frequency coverage in all major sub-GHz bands.
- Outstanding sensitivity of –129 dBm and low active and standby current consumption.
- Support for various modulation schemes: (G)FSK, 4(G)FSK, (G)MSK, and OOK.
- High output power up to +20 dBm with optional external PA support for +27 or +30 dBm.
- Ultra-low current power down modes: 30 nA shutdown, 40 nA standby.
- Preamble sense mode with low average RX current.
- Fast preamble detection and fast wake and hop times.
- Excellent selectivity performance with 69 dB adjacent channel and 79 dB blocking at 1 MHz.
- Antenna diversity and T/R switch control.
- Highly configurable packet handler and TX/RX 64 byte FIFOs.
- Auto frequency control (AFC) and automatic gain control (AGC).
- Low BOM and low battery detector.
- Temperature sensor and 20-Pin QFN package.
Applications
- Smart metering (compliant with 802.15.4g and WMBus standards).
- Remote control and home security and alarm systems.
- Telemetry and garage and gate openers.
- Remote keyless entry and home automation.
- Industrial control and sensor networks.
- Health monitors and electronic shelf labels.
Q & A
- What is the frequency range of the SI4463 transceiver?
The SI4463 transceiver operates in the sub-GHz frequency bands from 142 to 1050 MHz.
- What is the receive sensitivity of the SI4463?
The receive sensitivity of the SI4463 is –129 dBm.
- What modulation schemes are supported by the SI4463?
The SI4463 supports (G)FSK, 4(G)FSK, (G)MSK, and OOK modulation schemes.
- What is the maximum output power of the SI4463?
The maximum output power of the SI4463 is +20 dBm, with optional external PA support for up to +27 or +30 dBm.
- What are the power consumption characteristics of the SI4463?
The SI4463 has low active power consumption of 10/13 mA in receive mode and 18 mA in transmit mode at +10 dBm. It also features ultra-low current power down modes of 30 nA shutdown and 40 nA standby.
- What is the data rate range of the SI4463?
The data rate range of the SI4463 is from 100 bps to 1 Mbps.
- What is the power supply range for the SI4463?
The power supply range for the SI4463 is from 1.8 to 3.8 V.
- What regulatory standards is the SI4463 compliant with?
The SI4463 is compliant with FCC, ETSI, wireless MBus, and ARIB standards, as well as 802.15.4g and WMBus smart metering standards.
- What are some common applications of the SI4463?
Common applications include smart metering, remote control, home security, telemetry, garage and gate openers, remote keyless entry, home automation, industrial control, sensor networks, health monitors, and electronic shelf labels.
- How can the SI4463 be configured?
The SI4463 can be configured using the Wireless Development Suite (WDS) available on the Silicon Labs website.
- What is the package type of the SI4463?
The SI4463 is available in a 20-Pin QFN package with an exposed pad.
