Pin Descriptions
Pin No.
Pin name
Pin
voltage (V)
LA4802T
Pin description
1
POWER SW
• IC on/off switch
• 0 to 0.5 V: IC off
• 1.4 to 4.5 V: IC on
Equivalent circuit
1
20kΩ
A13730
2
POWER IN
1.21
• Power input
5
3
PRE GND
1kΩ
2
5
10kΩ
A13731
4
BOOST SW
• Bass compensation circuit on/off switch
• 0 to 0.5 V: Boost on
• 1.4 to 4.5 V: Boost off
6
MUTE C
1.27
• Connection for the mute switch on/off
impulse noise reduction capacitor
4
300Ω
A13732
10kΩ
6
300Ω
A13733
7
VREF OUT
1.21
• VREF amplifier reference
8
7
8
10kΩ
A13734
Continued on next page.
No. 6657-7/10