DATA SHEET BiCMOS INTEGRATED CIRCUIT µ PC2807,2807A PREAMPLIFIER FOR INFRARED REMOTE CONTROLLER DESCRIPTION The µ PC2807 and 2807A are semiconductors integrated circuit developed as preamplifiers for the receiver module of infrared remote controllers.
These preamplifiers can be directly connected to a PIN photodiode, and integrate a high-gain first stage amplifier, limiter, bandpass filter, detector circuit, and waveform-shaping circuit on a single chip.
FEATURES • Only PIN photodiode required as an external component.
• Following carrier frequencies (fO) selectable (five types): µ PC2807 : fO = 32.
7, 36.
0, 36.
7, 37.
9 kHz µ PC2807A : fO = 40.
0 kHz • Fixed trap frequency fT = 54 kHz •...

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