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AIC1863

Part Number	AIC1863
Manufacturer	Analog Intergrations Corporation
Description	IR Preamplifier for Remote Control System
Published	Mar 23, 2005
Detailed Description	AIC1863 IR Preamplifier for Remote Control System n FEATURES l n DESCRIPTION The AIC1863 is a high performance infrare...
Datasheet	AIC1863 PDF File

Overview

AIC1863 IR Preamplifier for Remote Control System n FEATURES l n DESCRIPTION The AIC1863 is a high performance infrared r emote control preamplifier.
Especially, it has e xcellent interference suppression capability.
The infrared pulses arriving at the photodiode are treated by the trans-impedance amplifier and amplified by the auto-gain control amplifier, limitter amplifier, and band-pass filter.
The following evaluation circuits, including the comparator, integrator, and schmitt-trigger, demodulate the transmitted digital signal.
Reduction of sensitivity due to external interference is achieved by the short-time boost and long-time control circuits, which prevent interference voltages from affecting the output.
Only Two External Components Required Other than the Photodiode.
Easy to Integrate into Module due to Small Chip Size.
Minimized Chances of Malfunction Due to Ambient Light.
Low Power Consumption.
Center Frequency of Band Pass Filter Adjustable by an External Resistor.
Microcomputer Compatible.
l l l l l n APPLICATIONS l IR Remote Control Receivers for Consumer Electronic Products, such as TVs, VCRs, VCD/DVD Players, Audio Devices, Air Conditioners, Electric Fans.
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etc.
n TYPICAL APPLICATION CIRCUIT Vcc (+5V) 1 CA 2 NC C1 0.
1µF VOUT 3 OUT 4 DGND AIC1863 VCC 8 FO 7 R1 110K(fo =38KHz) AGND 6 IN 5 Photo Diode IR Remote Control Receiver n ORDERING INFORMATION Analog Integrations Corporation www.
analog.
com.
tw DS-1863-00 TEL: 886-3-5772500 4F, 9, Industry E.
9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC FAX: 886-3-5772510 1 AIC1863 AIC1863 XX PACKAGE TYPE S: SMALL OUTLINE D: DICE TEMPERATURE RANGE C: 0° C~+70° C ORDER NUMBER AIC186 3CS (PLASTIC SO) PIN CONFIGURATION TOP VIEW CA 1 NC 2 OUT 3 DGND 4 8 VCC 7 FO 6 AGND 5 IN AIC186 3CD (DICE) n ABSOLUTE MAXIMUM RATINGS Supply Voltage … … … … … .
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5.
5V Input Voltage .
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