T2525N238 Datasheet

IR Receiver ASSP


The IC T2525 is a complete IR receiver for data communication developed and optimized for use in carrier-frequency-modulated transmission applications. Its function can be described using the block diagram (see Figure 1). The input stage meets two main functions. First, it provides a suitable bias voltage for the PIN diode. Secondly, the pulsed photo-current signals are transformed into a voltage by a special circuit which is optimized for low-noise applications.

• No External Components Except PIN Diode
• Supply-voltage Range: 4.5 V to 5.5 V
• Automatic Sensitivity Adaptation (AGC)
• Automatic Strong Signal Adaptation (ATC)
• Enhanced Immunity Against Ambient Light Disturbances
• Available for Carrier Frequencies between 30 kHz to 76 kHz; Adjusted by Zener Diode Fusing
• TTL and CMOS Compatible
• Suitable Minimum Burst Length ≥ 6 or 10 Pulses/Burst

• Audio Video Applications
• Home Appliances
• Remote Control Equipment




Manufacturer information

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