la4801v Sanyo Semiconductor Corporation, la4801v Datasheet
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la4801v
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la4801v Summary of contents
Page 1
... Ordering number : ENN6146 Overview The LA4801V is a headphone stereo power amplifier for portable CD and MD players. It features a high signal-to- noise ratio, a high ripple rejection ratio, low distortion, and low current drain. Functions • Headphone stereo power amplifier • Power switch • Muting switch • ...
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... Channel balance Output power Total harmonic distortion Output noise voltage Crosstalk Ripple rejection ratio Muting attenuation Output DC offset Power on current sensitivity Power off voltage sensitivity Mute off current sensitivity Mute on voltage sensitivity LA4801V Symbol Conditions V max CC Pd max Topr Tstg Symbol Conditions V ...
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... Pin Assignment and Block Diagram PWR C CONT REF VREF 6 PRE GND 7 V REF CONT 8 RF OUT LA4801V BIAS RIPPLE FILTER Top view 16 MUTE SW 15 OUT A 14 PWR GND 13 OUT C 12 OUT B ...
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... V REF IN A OFF 3 ON PWR C CONT REF VREF 6 PRE GND 3 REF CONT 4 OUT LA4801V MUTE OUT PWR GND OUT C 12 BIAS OUT RIPPLE FILTER RF CONT Top view ...
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... IN A OFF 3 ON PWR C CONT REF C3 VREF 6 PRE GND C4 3 REF CONT C5 4 OUT LA4801V BIAS RIPPLE FILTER Top view Vcc 2 R4 OFF 100k 16 C11 MUTE 4.3 OUT A C10 0.15 F ...
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... The center amplifier is on when this input is floating or at the ground level OUT • V 0.82 REF REF 6 PRE GND 7 V CONT • V 0.82 REF REF LA4801V The pin voltage applies when V Pin description amplifier output amplifier reference = 1.5 V and 2 Equivalent circuit 1 20k 300 2 4 10k 3 5 ...
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... Pin 13 (OUT C) is the center amplifier output. This pin is a virtual ground when 15 OUT A driving headphones. 14 PWR GND • Mute on/off switch 16 MUTE SW • The mute function is on when this pin is at the ground level. LA4801V Pin description Equivalent circuit 300 300 45k 3 ...
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... Supply voltage — — 1=1. 2=2.5V 35 Vo=–10dBm ch1 ch2 100 1k 10k Frequency, f — Hz LA4801V Icco, I Mute , Ist — 0.9 9 0.8 8 0.7 7 0.6 6 0.5 5 0.4 4 0.3 3 0 -30 -20 - 4.5 5.0 Ambient temperature, Ta — °C SVRR — ...
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... Vo=–10dBm =16 Rg= 10k 100 1k Frequency, f — Hz LA4801V V REFDC , V N — Ta 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 4.5 5 -30 -20 - Ambient temperature, Ta — °C THD — 1 ch2 ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of July, 2002. Specifications and information herein are subject to change without notice. LA4801V PS No. 6146-10/10 ...