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TA2123AF Fiches technique(PDF) 4 Page - Toshiba Semiconductor |
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TA2123AF Fiches technique(HTML) 4 Page - Toshiba Semiconductor |
4 / 20 page TA2123AF 2002-10-30 4 Terminal No. Name Function Internal Circuit Terminal Voltage (V) 15 AMS DET Input of AMS comparator circuit 0.73 40 AMS OUT Output of AMS comparator circuit High level: Rectangular pulse Low level: “H” VREF OUT 15 40 — 16 GND — — 0 17 RF OUT Output of ripple filter ・ Ripple filter circuit supplies internal circuit except power drive stage with power source 1.22 18 BASE Base biasing terminal of transistor for ripple filter 0.5 19 VCC — 1.3 24 RF IN Ripple filter terminal VCC RF OUT + - 24 19 18 17 1.23 20 OUTA 22 OUTB Output of power amplifier 0.56 26 PW NFB 29 PW NFA NF of power amplifier 0.73 27 PW INB 28 PW INA Input of power amplifier (this terminal also has function of an ADD amplifier input.) to ADD amplifier VREF OUT VREF OUT 30kΩ 2kΩ 20kΩ 20kΩ 28 29 20 0.73 21 OUTC Output of center amplifier 0.56 32 PW INC Input of center amplifier VREF OUT VREF OUT 30kΩ 2kΩ 20kΩ 32 21 0.73 23 PW GND Power GND for power drive stage — 0 25 EQB 30 EQA Equalizer circuit (this circuit synchronizes with the BST SW) ・ Input impedance : 1.9Ω (typ.) 1.8kΩ 30 — |
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Description similaire - TA2123AF |
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