3-V infrared receiver offers enhanced sensitivity

Malvern, Pa.—Vishay Intertechnology Inc. is upgrading the performance of its 3-V infrared receivers with a new-generation IC that doubles the sensitivity of the device under low-light conditions.

The IC is one of the major determinants of performance in an IR receiver, along with the photo diode and the optical package itself. Sensitivity directly affects the range of a receiver, and is critically important in most infrared receiver applications.

Further improvements resulting from the new IC include a 70% reduction in device operating current, to 0.35mA; a broader power supply range of 2.5V to 5.5V; and greatly improved immunity to EMI and ESD.

Beginning this month the IC will become a standard feature of all Vishay 3-V and 5-V infrared receivers in through-hole packages. The upgraded devices can be identified on the Vishay Web site by their part numbers beginning with TSOP3… (except SMD packages [TSOP36…]) and by the word “New” in the datasheet title.

A complete listing of Vishay's infrared receiver products is available at

No price increase is planned for the new series receivers. IR receiver module pricing for U.S. delivery starts at $1 per piece for small-quantity orders.

Vishay Intertechnology,

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