The TFBS4711 is a low power infrared receiver/transmitter, features a small package and is compliant with the latest IrDA physical layer low power specification.
The TFBS4711 is a low‑profile serial infrared (SIR) transceiver module designed for battery‑operated devices. It supports IrDA data rates up to 115.2 kbit/s, offers a shutdown current as low as 10 nA, and operates from 2.4 V to 5.5 V across a temperature range of –25 °C to +85 °C. The device includes a PIN photodiode, infrared emitter, and CMOS control IC in a compact 1.9 mm × 3.1 mm × 6.0 mm package.
The document provides detailed electrical and optoelectronic characteristics, recommended soldering profiles, and example application circuits. It also lists part numbers for tape‑and‑reel packaging, mechanical drawings, and compliance statements such as RoHS and lead‑free qualification.