TRF7903PW

Product Overview

TRF7903PW from Texas Instruments is a RF transceiver/receiver front-end for 27 MHz HID wireless links. This product detail focuses on receiver architecture, supported radio bands, interface requirements and sourcing relevance for engineering and procurement teams.

It is suitable for designs where the exact ordering suffix must be matched for package, firmware option, temperature grade, tape-and-reel format and host interface compatibility before purchase.

Key Features

• Manufacturer: Texas Instruments
• Part Number: TRF7903PW
• Device Type: RF transceiver/receiver front-end for 27 MHz HID wireless links
• Receiver Architecture: Integrated RF front-end/transceiver family combining PLL, RF mixer, filter/tuning functions and receive path support
• Frequency Range: 27 MHz operating class for human-interface-device and wireless-control links
• Application Band: Short-range HID, keyboard/mouse, remote-control toy and low-rate wireless control applications
• Clock Support: Internally generated 6 MHz clock option to support a USB microcontroller in companion designs
• Receiver Function: Dual receiver/transceiver front-end blocks for low-cost wireless command and control products
• Supply / Control: Register/configuration-controlled analog RF section; confirm TRF7900/TRF7901/TRF7903/TRF7904 variant features
• Package / Case: PW/TSSOP or RGP/QFN-style TI package option depending on suffix
• Operating Temperature: Commercial or industrial operating temperature grade depending on ordering code
• Design Notes: Confirm 27 MHz antenna/matching network, modulation format and paired transmitter/receiver architecture before substitution.

Applications

Wireless human-interface devices, remote controls, toys, wireless headsets and low-rate remote instrumentation.

Legacy TI TRF790x board support where the same RF front-end suffix and package must be maintained.

Quality & Sourcing

Antrex Electronics can support sourcing for TRF7903PW through available stock checks, BOM consolidation and alternative-lot review. For RF receiver components, packaging condition, date code, MSL handling and original labeling should be checked before shipment.

For project builds, repair support or shortage coverage, Antrex Electronics can coordinate visual inspection, package verification and third-party testing when required. This helps buyers manage risk when sourcing discontinued, legacy or hard-to-find RF receiver parts.