AN5274 Panasonic - SSG, AN5274 Datasheet
AN5274
Specifications of AN5274
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AN5274 Summary of contents
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... ICs for Audio Common Use AN5274 4 ( Mute Function and Volume Control Overview The AN5274 is a monolithic integrated circuit designed for 4 output audio power amplifier dual channel SEPP IC suitable for stereo operation in TV application. Features Built-in DC volume control Built-in mute circuit ...
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... AN5274 Absolute Maximum Ratings Parameter Supply voltage Supply current * 2 Power dissipation * 1 Operating ambient temperature * 1 Storage temperature Note except power dissipation, operating ambient temperature and storage temperature Power dissipation of the package at T Recommended Operating Range Parameter Supply voltage Electrical Characteristics at V Parameter ...
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... R 42 C/W 62 60.0 50.0 1 C/W heat sink 41.7 40.0 2 C/W heat sink 31.3 30.0 3 C/W heat sink 25.0 20.0 5 C/W heat sink 17.9 10 C/W heat sink 10.4 10.0 Without heat sink 3.0 0 100 Ambient temperature 0.047 1000 125 150 AN5274 1000 ...
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... AN5274 Technical Information (continued) Application Note 1) Voltage gain The voltage gain of the AN5274 can be varied by changing the resistor R2 as shown below : input 4 dB Pin8 V 11 which is fixed in internal circuit volume control The DC volume control range This range is used in order to be easily controlled by micro-computer using PWM output ...
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... Pin7 & Pin12 C RF Turn ON time The turn ON time in the AN5274 is determined by the capacitance value of C will turn on faster. The turn OFF time is dependent on the capacitance value of C declines faster than RF voltage. To solve this, increase the discharge time of V values VCC ...
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... Standby function can be implemented in the AN5274 by external solution realised by pulling the RF voltage to low and output voltage would follow RF as shown in the diagram Stand- OFF 7) Ripple rejection improvement The ripple rejection of the AN5274 can be improved by another connecting a capacitor to Pin4 voltage 6 RF 1/2V CC ...
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... Input voltage V (mV volume characteristics kHz volume ( Vol. max 100 1k Frequency f (Hz) 10 100 0.1 10 1000 280 mV 10k 100k AN5274 kHz THD 10 % Vol. max Supply voltage V ( THD Vol. max. THD 100 1k 10k Frequency f (Hz) 28 1.0 0.8 0.6 0.4 0.2 0 100k 7 ...