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LA4590W View Datasheet(PDF) - SANYO -> Panasonic

Part NameDescriptionManufacturer
LA4590W 1.5 V Stereo Headphone Preamplifier and Power Amplifier SANYO
SANYO -> Panasonic SANYO
LA4590W Datasheet PDF : 19 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Continued from preceding page.
Pin No.
Symbol
VDC (V)
37
POWER MUTE SW
41
LOW BOOST SW
LA4590W
Equivalent circuit
Unit (resistance: , capacitance: F)
Pin function
Muting is turned on by grounding pin 37.
Low boost is turned on by setting pin 41
floating.
38
POWER SW
39
FWD/REV SW
40
METAL SW
42
PRE MUTE SW
43
R.F1 SW
44
R.F REF
1.13
Turns on IC power when grounded.
Forward is selected when pin 39 is floating,
reverse when grounded.
Metal is selected when pin 40 is floating.
Muting is turned on when pin 42 is floating.
R.F1 (pin 1) is turned on when pin 43 is
grounded.
The R.F. reference. The R.F. SVRR can be
changed with an external capacitor.
46
R.F BASE2
0.5
48
R.F BASE1
External PNP transistor base drive pins.
No. 4468-8/19
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