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UAA1281T Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UAA1281TPHI1000Yes

Part Number:** UAA1281T **Manufacturer:** PHI (Philips Semiconductors, now NXP Semiconductors) ### **Specifications:** - **Type:** Infrared Remote Control Receiver - **Supply Voltage (Vcc):** 4.

Part Number: UAA1281T

Manufacturer: PHI (Philips Semiconductors, now NXP Semiconductors)

Specifications:

  • Type: Infrared Remote Control Receiver
  • Supply Voltage (Vcc): 4.5V to 5.5V
  • Supply Current: 1.5mA (typical)
  • Carrier Frequency: 30kHz to 60kHz (adjustable)
  • Input Sensitivity: 0.5mW/m² (typical)
  • Output Signal: Active low (demodulated signal)
  • Operating Temperature Range: -25°C to +85°C
  • Package: TO-92 (3-pin)

Descriptions:

The UAA1281T is an infrared remote control receiver module designed for demodulating and decoding IR signals from remote controls. It integrates a photodetector, preamplifier, and demodulator in a single package, providing a clean output signal for microcontroller processing.

Features:

  • High immunity to ambient light
  • Low power consumption
  • Adjustable carrier frequency via external components
  • Compatible with common IR remote control protocols
  • Compact TO-92 package for easy integration

This part is commonly used in consumer electronics such as TVs, audio systems, and other IR-controlled devices.

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