AN5273 Panasonic - SSG, AN5273 Datasheet
AN5273
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AN5273 Summary of contents
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... ICs for Audio Common Use AN5273 4 ( Mute Function and Volume Control Overview The AN5273 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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... AN5273 Pin Descriptions Pin No. Description 1 Mute control 2 Ch.1 input 3 Volume control 4 N.C. 5 Ch.2 input 6 Ripple filter 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. ...
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... Fin of the IC can be connected to GND. 3) Please prevent output The temperature protection circuit will operate at T protection circuit would automatically be deactivated and resume normal operation. AN5273 100 F 0.047 1000 short and output to GND short. around 150 C. However, if the temperature decreases, the j AN5273 0.047 1000 1000 ...
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... AN5273 Technical Information 1.Characteristic Curve Chart P , THD kHz Vol. max THD 0.1 0. 100 Input voltage V (mV volume characteristics kHz volume ( 62 heat sink 2. 10 C/W heat sink C/W heat sink 4. 3 C/W heat sink 5. 2 C/W heat sink 6 41 C/W heat sink 40 7 ...
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... ICs for Audio Common Use Technical Information (continued) 2.Application Note 1) Voltage gain The voltage gain of the AN5273 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 AN5273 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 The recommended values of capacitance for C No ...
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... ICs for Audio Common Use Technical Information (continued) 2.Application Note (continued) 6) Stand-by circuit Stand-by function can be implemented in the AN5273 by external solution realised by pulling the RF voltage to low and output voltage would follow RF as shown in the diagram Stand- OFF DC voltage 6 RF 1/2V CC 100 F ...