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SS6863 Scheda tecnica(PDF) 1 Page - Silicon Standard Corp. |
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SS6863 Scheda tecnica(HTML) 1 Page - Silicon Standard Corp. |
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1 / 6 page ![]() www.SiliconStandard.com 1 of 6 SS6863 IR Preamplifier for Remote Control Systems FEATURES Only two external components required other than the photodiode. Easy to integrate into modules du package size. e to its small Minimal chance of malfunction due to ambient light. Low power consumption. Band-pass filter center frequency set using an external resistor Microcomputer compatible. APPLICATIONS IR remote control receivers for consumer electronic products, such as TVs, VCRs, VCD/DVD players, audio devices, electric fans, air-conditioners, etc. DESCRIPTION The SS6863 is a high-performance infra-red remote-control pre-amplifier, offering excellent interference-suppression capability. The infra-red pulses received by the photo-diode are processed by the trans-impedance amplifier and amplified by the AGC amplifier, limiter amplifier and band-pass filter. The evaluation stages that follow, including the comparator, Integrator and schmitt- trigger, demodulate the transmitted digital signal. Reduced sensitivity to external interference is acheived by using short-term boost and long- term control circuits to prevent Interference from affecting the output. TYPICAL APPLICATION CIRCUIT Photo Diode C1 0 .1 µF Vcc (+5V) VOUT 110k Ω (fo=38kHz) R1 IN SS6863 AGND FO DGND OUT NC CA 7 6 5 4 3 2 1 VCC 8 IR Remote Control Receiver Rev.2.02 11/6/2003 |
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