|Category||Analog & Mixed-Signal Processing|
|Description||5 w, Two-channel Power Amplifier With Very Few External Parts|
|Company||Sanyo Semiconductor Corporation|
|Datasheet||Download LA4485 datasheet
5 W, Two-channel Power Amplifier with Very Few External Parts
The 5 W, two-channel power amplifier IC that requires a minimum of external parts, making it ideal for radio cassette players and car stereo equipment. The LA4485 eliminates the need for bootstrap capacitors, negative feedback capacitors, and oscillation prevention CR parts, all of which were necessities for power ICs previously. All of these functions are now on chip, keeping the number of external parts to an absolute minimum. The LA4485 is part of the Power (Stylish Power) Series, and supports two modes: dual and BTL.Features
output power in dual mode, and W in BTL mode. Minimum external parts for the Power Series count: or 5 parts in dual mode; or 4 parts in BTL mode.4 Protection circuits.
Overvoltage protection Thermal protection DC output short-circuit protection (to VCC and to GND) Circuitry designed to handle +VCC applied to the outputs Pop noise reduction Standby switch Muting function SANYO : SIP13HSpecifications
Parameter Maximum supply voltage Surge supply voltage Peak output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max VCC surge * IO peak Pd max Topr Tstg No signal Based on the JASO standard Per channel With infinite heat sink Conditions Ratings to +150 Unit °C
Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein.SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
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Parameter Recommended supply voltage Supply voltage range Recommended load resistance range Symbol VCC op RL Must not be over package Pd Dual BTL Conditions Ratings to 8 Unit V
Parameter Standby current Quiescent supply current Voltage gain Output power Total harmonic distortion Channel separation Output noise voltage Ripple rejection ratio Symbol Ist ICCO P O2 THD CH sep VNO SVRR Conditions Pin 9 to GND, Standby switch OFF = 0 Dual: = 0 dBm BTL: = 0 dBm Dual: THD = 10% BTL: THD = 0 dBm, to 20 kHz bandpass filter to 20 kHz bandpass filter, = 100 Hz, = 0 dBm, decoupling capacitor connected min typ max 160 47 Unit mV dBAl heat sink mounting conditions Mounting torque 39 Nvcm. Flat washer with silicone grease applied
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