IR RECEIVER ASSP
Features
www.DataSheet4U.com • No External Components Except PIN Diode • Supply-voltage Range: 4.5V to 5.5V • Highest Se...
Description
Features
www.DataSheet4U.com No External Components Except PIN Diode Supply-voltage Range: 4.5V to 5.5V Highest Sensitivity Due to Automatic Sensitivity Adaption (AGC) and Automatic Strong
Signal Adaption (ATC)
Highest Immunity Against Disturbances from Daylight and Lamps Available for Carrier Frequencies between 30 kHz to 76 kHz; Adjusted
by Zener Diode Fusing
TTL and CMOS Compatible Suitable Minimum Burst Length ≥ 10 Pulses/Burst
Applications
Home Entertainment Applications (Audio/Video) Home Appliances Remote Control Equipment
IR Receiver ASSP T2525
1. Description
The IC T2525 is a complete IR receiver for data communication that was developed and optimized for use in carrier-frequency-modulated transmission applications. The IC offers highest sensitivity as well as highest suppression of noise from daylight and lamps. The T2525 is available with broadest range of carrier frequencies (30, 33, 36, 37, 38, 40, 44, 56, 76 kHz) and 5 different noise suppression regulation types (standard, lamp, noise, short burst, data rate) covering requirements of high-end remote control solutions (please refer to selection guide available for T2525/ATA2526). The T2525 operates in a supply voltage range of 4.5V to 5.5V. The function of T2525 can be described using the block diagram (see Figure 1-1 on page 2). 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 transfor...
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