SI4320-J1-FTR

RF Receivers Overview

The SI4320-J1-FTR is a single-chip, low-power, multi-channel FSK receiver designed for applications requiring FCC or ETSI conformance. It operates at frequencies of 315 MHz, 433 MHz, 868 MHz, and 915 MHz with an operating supply voltage range of 2.2 V to 5.4 V. The device supports a maximum data rate of 256 kbps and achieves a sensitivity of -109 dBm. It utilizes FSK and OOK modulation protocols and features a completely integrated PLL for easy RF design. The component is housed in a 16-pin TSSOP package and has a maximum operating temperature of +85°C.

RF Receivers Feature Summary

• Single-chip low-power multi-channel FSK receiver architecture
• Completely integrated PLL enabling rapid settling time for fast frequency hopping
• Supports FCC and ETSI regulatory conformance requirements

RF Receivers Applications

• Remote control systems
• Keyless entry (RKE)
• Security systems

RF Receivers Procurement Notes

Verify the specific suffix 'J1' against the manufacturer's current datasheet to confirm pinout and electrical characteristics match the design requirements. Confirm that the 'FTR' designation indicates tape and reel packaging suitable for automated assembly processes. Check for end-of-life status as distributor listings may indicate obsolescence, requiring validation of long-term availability through authorized channels before finalizing procurement plans.

RF Receivers Selection Notes

Select this component when a dedicated, low-cost receiver solution is required for simple FSK or OOK telemetry links. It is suitable for designs where microcontroller integration is preferred over full transceivers. Ensure the application environment stays within the specified voltage and temperature ranges. Consider the fixed frequency bands supported by the J1 variant to ensure compatibility with regional regulatory standards.

RF Receivers Part Context

This part belongs to the Si4320 family of low-power RF receivers from Silicon Labs. It is engineered for simple, cost-sensitive wireless applications that do not require complex protocol stacks or bidirectional communication capabilities inherent in transceivers. The family focuses on providing reliable reception with minimal external components due to the integrated PLL and filter structures.

RF Receivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify if other variants within the Si4320 series offer compatible pinouts or if alternative manufacturers provide functionally equivalent single-channel receivers.