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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
First Prev 11 12 13 14 15 16 17 18 19
Switch Pin Equivalent Circuits
1. Power switch pin
LA4590W
The power switch is on when the power switch pin is connected
to ground.
Io = VCC/200 k + VCC 0.7 V/22 k
Pin 38
VS 100 mV
2. Power muting and low boost switch pins
The power muting function is turned on when pin 37 is connected
to ground.
The low boost switch is turned on when pin 41 is floating.
Io 0.1 µA
VS 80 mV
Note: The smoothing discharge resistor should be 430 kor
smaller.
3. FWD/REV, METAL, PRE MUTE, R.F1 switches
Reverse is selected when pin 39 is connected to ground.
Metal tape is selected when pin 40 is floating.
Preamplifier muting is turned on when pin 42 is floating.
The ripple filter switch is turned on when pin 43 is grounded.
Pins 39, 40, and 43
Io 7 µA
VS 0.5 V
Pin 42
Io 14 µA
VS 0.5 V
No. 4468-14/19
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