Overview
The AX5243-1-TW30 is a highly integrated, ultra-low power, narrow-band CMOS transceiver designed by onsemi. This device is suitable for use in both licensed and unlicensed frequency bands ranging from 27 MHz to 1050 MHz. It is particularly optimized for general-purpose ISM band applications below 1 GHz, making it an ideal choice for various wireless communication systems.
Key Specifications
| Parameter | Description | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| RF Frequency Range | Fully external VCO frequency | 27 | - | 1000 | MHz |
| Maximum Output Power | At 868 MHz, 433 MHz, 169 MHz | - | - | 16 | dBm |
| Data Rates | Transmitter data rates | 0.1 | - | 125 | kbps |
| Sensitivity | FSK at 868 MHz, 5 kbps | -122 | - | - | dBm |
| Adjacent Channel Rejection | High Selectivity Receiver | - | - | 45 | dB |
| Supply Current | IDD | - | - | 200 | mA |
| Total Power Consumption | Ptot | - | - | 800 | mW |
| Operating Temperature | TAMB | -40 | 27 | 85 | °C |
Key Features
- High Efficiency, High Linearity Integrated Power Amplifier
- Power Level Programmable in 0.5 dB Steps
- GFSK Shaping with BT = 0.3 or BT = 0.5
- Unrestricted Power Ramp Shaping
- Ultra Fast Settling RF Frequency Synthesizer for Low-power Consumption
- Fully Integrated RF Frequency Synthesizer with VCO Auto-ranging and Band-width Boost Modes for Fast Locking
- Configurable for either Fully Integrated VCO, Internal VCO with External Inductor or Fully External VCO
- Channel Hopping up to 2000 hops/s
- Automatic Frequency Control (AFC)
- Integrated RX/TX Switching with Differential Antenna Pins
- SPI Microcontroller Interface
- Extended Register Set
- Fully Integrated Current/Voltage References
- Internal Power-on-Reset and Brown-out Detection
- 10 Bit 1 MS/s General Purpose ADC (GPADC)
Applications
- 27 – 1050 MHz Licensed and Unlicensed Radio Systems
- Internet of Things (IoT)
- Automatic Meter Reading (AMR)
- Security Applications
- Building Automation
- Wireless Networks
- Messaging and Paging
- Compatible with: Wireless M-Bus, POCSAG, FLEX, KNX, Sigfox, Z-Wave, enocean
Q & A
- What is the frequency range of the AX5243-1-TW30?
The AX5243-1-TW30 operates in the frequency range of 27 MHz to 1050 MHz.
- What are the maximum output power levels for the AX5243-1-TW30?
The maximum output power levels are 16 dBm at 868 MHz, 433 MHz, and 169 MHz.
- What data rates does the AX5243-1-TW30 support?
The device supports data rates from 0.1 kbps to 125 kbps.
- What is the sensitivity of the AX5243-1-TW30 at 868 MHz and 5 kbps?
The sensitivity is -122 dBm at 868 MHz and 5 kbps.
- What is the adjacent channel rejection of the AX5243-1-TW30?
The device has a high selectivity receiver with up to 45 dB adjacent channel rejection.
- What is the supply current of the AX5243-1-TW30?
The supply current (IDD) is up to 200 mA.
- What is the total power consumption of the AX5243-1-TW30?
The total power consumption (Ptot) is up to 800 mW.
- What is the operating temperature range of the AX5243-1-TW30?
The operating temperature range is from -40°C to 85°C.
- Does the AX5243-1-TW30 support channel hopping?
Yes, it supports channel hopping up to 2000 hops/s.
- What interfaces does the AX5243-1-TW30 support?
The device supports an SPI microcontroller interface and has an extended register set.
