Drop-in IR transducer module bypasses pcb redesigns

26th November 2018
Source: Vishay
Posted By : Mick Elliott
Drop-in IR transducer module bypasses pcb redesigns

PCB redesigns can now be avoided using a device for IrDA-compliant infrared (IR) transceiver modules in the standard 6.8 mm by 2.8 mm by 1.6 mm footprint. Vishay Semiconductors' TFBR4650 offers a reliable drop-in replacement for devices from other manufacturers.

The device consists of a PIN photodiode, infrared emitter, and control IC in a single package.

Compliant with the latest IrDA physical layer standard for IR data communication, the module supports data rates from 9.6kbit/s to 115.2kbit/s (SIR) for wireless transmission in gas and power meters, cell phones, microphones, robots, and mobile medical devices.

The TFBR4650 features a link distance up to 30cm with standard IrDA and up to 20cm with low power IrDA. The low power specification can be increased to 50cm using an external resistor to set the emission intensity.

Providing low power consumption, the module offers an idle supply current of 75μA at 3.6V and a shutdown current of 10nA typical at +25°C. Lead (Pb)-free and RoHS-compliant, the device operates from 2.4 to 3.6V over a temperature range of -25°C to +85°C.

Samples and production quantities of the new IR transceiver module are available now, with lead times of eight weeks.

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