BA7181 データシートの表示（PDF） - ROHM Semiconductor
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コンポーネント説明
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BA7181 Datasheet PDF : 8 Pages
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Video ICs
•Control mode tables
(1) DFF IN (pin 1)
• Playback input selection (head switching)
Control pin
DFF IN
H
L
Function
Selected playback input
Channel2 (PRE IN2 7pin)
Channel1 (PRE IN1 5pin)
Control voltage
VCTRL1 [V]
3.5 ~ V CC
0.0 ~ 1.2
BA7181FS
(2) H SYNC IN (pin 15)
• Controls recording AGC detector block operation.
Control pin
H SYNC
H
L
Function
AGC detector
ON
OFF
Control voltage
VCTRL15 [V]
2.7 ~ V CC
0.0 ~ 1.2
(3) PB / EE / REC CTRL (pin 8)
• Playback / recording mute / recording mode switching
Control pin
PB / EE / REC
Mode
Function
PRE AMP AT ENVE REC MUTE REC AMP
H
PB
ON
ON
OFF
OFF
M
REC MUTE
OFF
OFF
ON
ON
L
REC
OFF
OFF
OFF
ON
∗ Pin 8 is pulled up to VCC via a 33kΩ resistor.
Control voltage
VCTRL9 [V]
3.8 ~ V CC
2.2 ~ 2.8
0.0 ~ 1.2
6
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