Description
The IC T2526 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 of 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.

FEATUREs
• No External Components Except PIN Diode
• Supply-voltage Range: 2.7 V to 5.5 V
• Automatic Sensitivity Adaptation (AGC)
• Automatic Strong Signal Adaptation (ATC)
• Automatic Supply Voltage Adaptation
• Enhanced Immunity against Ambient Light Disturbances
• Available for Carrier Frequencies between 30 kHz to 76 kHz; adjusted by Zener-Diode Fusing ±2.5%
• TTL and CMOS Compatible

APPLICATIONs
• Audio Video Applications
• Home Appliances
• Remote Control Equipment