AN12948A Panasonic Semiconductor, AN12948A Datasheet
AN12948A
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AN12948A Summary of contents
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... DATA SHEET Part No. Package Code No. Publication date: April 2007 AN12948A HQFP048-P-0707 SDF00042AEB www.DataSheet4U.com 1 ...
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... AN12948A Overview ………….………………………………………………………………………………………………. 3 Features … ...
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... AN12948A Audio Power IC for Note PC Overview AN12948A is the stereo BTL amplifier which contained the AGC circuit for clip prevention of a speaker output and headphone amplifier within charge pump. This IC performs a mode change by pararel control system. (Standby function ON/OFF change etc.) Features In order to realize high efficiency of output power, it adopts CMOS power amplifier circuit . Max. Power: 1.4 W (VCCSP = Ω ...
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... AN12948A Block Diagram (Application Circuit Example) VCC 3 Test4 VCC_CP μF 39 GND_CP 1 μ μ VSS HP_INL 10 kΩ μF 20 kΩ HP_OUTL 68 Ω HP_OUTR 68 Ω kΩ 48 HP_INR 10 kΩ 1 μF VCC_HP Note) This circuit and these circuit constants show an example and do not guarantee the design as a mass-production set. ...
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... AN12948A Pin Descriptions Pin No. Pin name 1 VCC_HP Power Supply 2 AGC_Lv1 3 AGC_Lv2 4 AGC_Attack 5 Test1 6 AGC_ON/OFF 7 GND 8 SP_INR 9 PREOUT_R 10 AGC_Recovery1 11 AGC_Recovery2 12 N.C. 13 GND_SPR 14 SP_OUTR+ 15 SP_OUTR+ 16 SP_OUTR– 17 SP_OUTR– 18 VCC_SPR Power supply 19 VCC_SPL Power supply 20 SP_OUTL– 21 SP_OUTL– 22 SP_OUTL+ 23 SP_OUTL+ 24 GND_SPL 25 N.C. 26 ...
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... AN12948A Pin Descriptions (continued) Pin No. Pin name 33 SP_STBY1 34 SP_STBY2 35 HP_STBY1 36 HP_STBY2 37 Test4 38 VCC_CP Power Supply GND_CP VSS_CP 43 VSS Power supply 44 HP_INL 45 HP_OUTL 46 GND 47 HP_OUTR 48 HP_INR Type Input SP Standby On/Off control Input SP Standby On/Off control Input HP Standby On/Off control Input HP Standby On/Off control ⎯ ...
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... AN12948A Absolute Maximum Ratings A No. Parameter 1 Supply voltage 2 Supply current 3 Power dissipation 4 Operating ambient temperature 5 Storage temperature Note) *1: The values under the condition not exceeding the above absolute maximum ratings and the power dissipation The power dissipation shown is the value Except for the power dissipation, operating ambient temperature, and storage temperature, all ratings are for T ...
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Request for your special attention and precautions in using the technical information and semiconductors described in this book (1) If any of the products or technical information described in this book exported or provided to non-residents, the ...