Overview
The STMicroelectronics S2-LPCBQTR is a high-performance, ultra-low power RF transceiver designed for wireless applications in the sub-1 GHz band. This transceiver is part of the S2-LP family and is specifically tailored for operation in the 452-527 MHz and 904-1055 MHz frequency bands. It supports various modulation schemes, including 2(G)FSK, 4(G)FSK, OOK, and ASK, making it versatile for a wide range of wireless communication needs. The S2-LPCBQTR is known for its excellent receiver sensitivity, low power consumption, and robust performance, making it an ideal choice for applications requiring reliable and energy-efficient wireless connectivity.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 452-527 MHz, 904-1055 MHz |
| Data Rate | 0.1 kbps to 500 kbps |
| Output Power | Up to +16 dBm |
| Supply Voltage | 1.8V to 3.6V |
| Sensitivity | -130 dBm |
| Noise Figure | 8 dB |
| Supply Current (RX) | 7 mA @ sensitivity level |
| Supply Current (TX) | 10 mA @ +10 dBm |
| Operating Temperature Range | -40°C to +105°C |
| Storage Temperature Range | -40°C to +125°C |
| Number of Terminals | 24 |
| Moisture Sensitivity Level | 3 |
| Package Style | QFN-24 |
| Mounting Method | Surface Mount |
Key Features
- Ultra-low power consumption: 7 mA RX, 10 mA TX @ +10 dBm
- Programmable RF output power up to +16 dBm
- Excellent receiver sensitivity: down to -130 dBm
- Programmable RX digital filter and channel spacing
- Fast start-up and frequency synthesizer settling time
- Automatic frequency offset compensation, AGC, and symbol timing recovery
- More than 145 dB RF link budget
- Battery indicator and low battery detector
- RX and TX 128 bytes FIFO buffers
- 4-wire SPI interface
- Embedded CSMA/CA engine and automatic packet acknowledgment and retransmission
- Support for IEEE 802.15.4g, Wireless M-BUS, and KNX-RF
- Antenna diversity algorithm and fully integrated ultra-low power RC oscillator
Applications
- Sensors to Cloud
- Smart metering
- Home energy management systems
- Wireless alarm systems
- Smart home and building automation
- Industrial monitoring and control
- KNX-based networks for lighting, heating, HVAC, and energy-harvesting systems
- Operations in SIGFOX and MONARCH networks
Q & A
- What are the operating frequency bands of the S2-LPCBQTR? The S2-LPCBQTR operates in the 452-527 MHz and 904-1055 MHz frequency bands.
- What modulation schemes are supported by the S2-LPCBQTR? The S2-LPCBQTR supports 2(G)FSK, 4(G)FSK, OOK, and ASK modulation schemes.
- What is the data rate range of the S2-LPCBQTR? The data rate range is from 0.1 kbps to 500 kbps.
- What is the maximum output power of the S2-LPCBQTR? The maximum output power is up to +16 dBm.
- What is the supply voltage range for the S2-LPCBQTR? The supply voltage range is from 1.8V to 3.6V.
- What is the receiver sensitivity of the S2-LPCBQTR? The receiver sensitivity is down to -130 dBm.
- What are the typical supply currents for RX and TX modes? The typical supply currents are 7 mA for RX and 10 mA for TX @ +10 dBm.
- Does the S2-LPCBQTR support antenna diversity? Yes, the S2-LPCBQTR supports antenna diversity with an integrated antenna switching control algorithm.
- What communication protocols are supported by the S2-LPCBQTR? The S2-LPCBQTR supports IEEE 802.15.4g, Wireless M-BUS, and KNX-RF protocols.
- What is the operating temperature range of the S2-LPCBQTR? The operating temperature range is from -40°C to +105°C.
- What is the package style and mounting method of the S2-LPCBQTR? The package style is QFN-24, and the mounting method is surface mount.
