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LA72670BM Scheda tecnica(PDF) 8 Page - Sanyo Semicon Device |
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LA72670BM Scheda tecnica(HTML) 8 Page - Sanyo Semicon Device |
8 / 20 page LA72670BM No.A0644-8/20 Continued from preceding page. DC voltage Pin No. Pin Function Name AC level Function Equivalent circuit 8 ALC detection terminal for RF converter DC; This is ALC detector terminal for RF converter and always ready for operation. 2k Ω 10 25 35 50 70 79 L-GND HEADAMP-GND LOGIC-GND R-GND MTS-GND AUDIO-GND DC ; 2.5V 12 74 BS monitor input terminal(L) BS monitor input terminal(R) AC; -21.2dBv BS monitor input terminal 200 Ω Vref DC ; 2.2V 13 48 Input changeover switch output(L) Input changeover switch output(L) AC; -21.2dBv PB/REC switch output to transform REC and PB signals into DC through a coupling capacitor. REC:ON PB:ON 400 Ω DC ; 2.5V 14 47 HiFi input terminal(L) HiFi input terminal(R) AC; -21.2dBv HiFi input terminal after passing through a coupling capacitor. REC:ON PB:ON 200 Ω Vref 16 1/2 VCC terminal DC; 2.5V 1/2 VCC terminal. Serially-set reset is made with the external capacitance C and internal resistance R (15k Ω) at rise of power supply. The reset time t is expressed as follows: t = -CRln(0.2) 500 Ω 500 Ω Continued on next page. |
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