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BA7745FS 데이터 시트보기 (PDF) - ROHM Semiconductor
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BA7745FS
VCR Hi-Fi audio signal REC / PB amplifier with flying-erase oscillator
ROHM Semiconductor
BA7745FS Datasheet PDF : 8 Pages
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Video ICs
•
Measurement circuit
PB / REC
CTRL
CURRENT
SENSE
1k
PRE IN CH1
PRE IN CH2
1k
12pin SHORT
BA7745FS
REC MIX IN
OVERREC
CTR L
RECMUTE
CTRL
PRE OUT
EP / SP CTRL
HSWPIN
FE ON / OFF
FE OUT
Fig. 1
•
Control mode tables
(1) REC / PB control
Switch between REC and PB using pin 17.
Control pin
REC / PB
H
L
Mode
REC
PB
Function
REC AMP PRE AMP REC + B SW HEAD SW (P)
ON
OFF
ON
OFF
OFF
ON
OFF
ON
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