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LA4814JA fiches techniques PDF

ON Semiconductor - 2-Channel Power Amplifier

Numéro de référence LA4814JA
Description 2-Channel Power Amplifier
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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LA4814JA fiche technique
Ordering number : ENA2040
LA4814JA
Monolithic Linear IC
2-Channel Power Amplifier
http://onsemi.com
Overview
The LA4814JA buili-in the power amplifier circuit capable of low-voltage (2.7V and up) operation and has
additionally a standby function to reduce the current drain. It is a power amplifier IC optimal for speaker drive used in
battery-driven portable equipment and other such products.
Applications
Mini radio cassette players/recorders, portable radios, transceivers and other portable audio devices
Features
On-chip 2-channel power amplifier
Output power 1 = 350mW typ. (VCC = 5.0V, RL = 4Ω, THD = 10%)
Output power 2 = 150mW typ. (VCC = 3.6V, RL = 4Ω, THD = 10%)
Enables monaural BTL output system by changing externally connected components
Output power 3 = 700mW typ. (VCC = 5.0V, RL = 8Ω, THD = 10%)
Output power 4 = 320mW typ. (VCC = 3.6V, RL = 8Ω, THD = 10%)
Low-voltage operation possible
VCC =2.7V and up
Standby function
Current drain at standby = 0.1μA typ. (VCC = 5V)
Voltage gain setting possible
Voltage gain = 3 to 20dB
Second amplifier stop control function
Reducing the pop noise at startup (in BTL mode)
Semiconductor Components Industries, LLC, 2013
May, 2013
32812 SY 20111215-S00001 No.A2040-1/16

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