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KA2181 Datasheet(PDF) 1 Page - Samsung semiconductor |
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KA2181 Datasheet(HTML) 1 Page - Samsung semiconductor |
1 / 3 page KA2181 REMOTE CONTROL PREAMPLIFIER REMOTE CONTROL PREAMPLIFIER The KA2181 is a silicon monolithic integrated circuit designed for a remote control preamplifier of infrared signals. This device has features of low power, high sensitivity and wide supply voltage. FUNCTIONS • AMP • ABLC • LIMITER & LEVEL SHIFT • PEAK DET • SHAPING FEATURES • Wide operation voltage V CC=6 to 14.4V • Low power consumption I CC=2.5mA Typ. • High input sensitivity 50 µV P-P Typ. • Peak detector • Small size package 8-SIP • A minimum number of parts are required • Designed for use with the KS5803 remote control transmitter IC. BLOCK DIAGRAM Device Package Operating Temperature KA2181 8-SIP -20 °C ~+75°C 8-SIP ORDERING INFORMATION Fig. 1 VCC 6 ~14.4V Output Tuning Coil 3 4 8 Peak Hold Capacitor + Power Supply + Input 1 7 AMP + By-pass Capacitor 6 Integral Capacitor Ground 5 ABLC BIAS PIN-Photo Diode 2 |
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