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SI4022-A0-FTR is listed in the RF Transmitter range at ChipApex. The manufacturer field lists Silicon Labs. Its product description is RF TX IC FSK 868/915MHZ 16TSSOP. Review the specifications below when checking this part for your BOM.
RF Transmitter specifications for SI4022-A0-FTR
- Description：RF TX IC FSK 868/915MHZ 16TSSOP
- Series：-
- Mfr：Silicon Labs
- Package：Tape & Reel (TR)
- Frequency：868MHz, 915MHz
- Applications：ISM
- Modulation or Protocol：FSK
- Data Rate (Max)：115.2kbps
- Power - Output：6dBm
- Current - Transmitting：24mA
- Data Interface：PCB, Surface Mount
- Antenna Connector：PCB, Surface Mount
- Memory Size：-
- Features：-
- Voltage - Supply：2.2V ~ 3.8V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：16-TSSOP (0.173", 4.40mm Width)
- Supplier Device Package：16-TSSOP
- Grade：-
- Qualification：-
RF Transmitter datasheet and documents for SI4022-A0-FTR
RF Transmitter Overview
The SI4022-A0-FTR is an RF transmitter IC designed for FSK modulation in the 868 MHz and 915 MHz ISM bands. It features a maximum output power of 6 dBm and supports data rates up to 115.2 kbps. The device operates on a supply voltage range of 2.2 V to 3.8 V with a transmission current of 24 mA. It is housed in a 16-TSSOP package (4.40 mm wide) suitable for surface-mount PCB assembly. The component functions as a standalone transmitter, utilizing an external antenna connected via the PCB.
RF Transmitter Feature Summary
- Supports Frequency Shift Keying (FSK) modulation protocols
- Operates within industrial temperature ranges from -40°C to 85°C
- Designed for direct PCB surface-mount integration
RF Transmitter Applications
- ISM band wireless sensor networks
- Low-power telemetry systems
- Industrial remote control applications
RF Transmitter Procurement Notes
Verify the 'FTR' suffix indicates tape-and-reel packaging rather than tube distribution. Confirm current availability status as the base SI4022 series may be discontinued or subject to lifecycle changes. Cross-reference the specific revision level with official Silicon Labs documentation to ensure compatibility with existing design files.
RF Transmitter Selection Notes
Select this component for applications requiring simple FSK transmission in the 868/915 MHz regions. Ensure the host system provides a compatible digital interface for data loading. Verify that the required 6 dBm output power meets the link budget for the intended range without excessive current draw exceeding the 24 mA specification.
RF Transmitter Part Context
The SI4022 belongs to Silicon Labs' family of low-power RF transmitters. It serves as a cost-effective solution for basic wireless data transmission tasks. The part is distinct from combined transceiver chips, focusing solely on transmission capabilities to simplify system architecture for one-way communication scenarios.
RF Transmitter Replacement Considerations
The SI4055-C2A-GM is listed as a manufacturer-recommended substitute. Evaluate pinout compatibility and software register differences before substitution. Other similar alternatives exist but require careful verification of frequency support and modulation compatibility.
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