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AN12944A Datasheet

Download or read online Panasonic Corporation AN12944A Monophonic Audio Power IC With Built-in AGC pdf datasheet.
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DATA SHEET
AN12944A
Part No.
Package Code No.
HQFP048-P-0707
Publication date: February 2008
SDF00040BEB
1

Summary of Contents

Page 1

... DATA SHEET Part No. Package Code No. Publication date: February 2008 AN12944A HQFP048-P-0707 SDF00040BEB 1 ...

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... AN12944A Applications . 3 Package … ...

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... AN12944A AN12944A Monophonic audio power IC with built-in AGC Applications For the notebook personal computer Package 48-pin four direction flat package (HQFP-48 type) Type Silicon monolithic bipolar IC SDF00040BEB 3 ...

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... AN12944A Application Circuit Example (Block Diagram) SDF00040BEB 4 ...

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... AN12944A Pin Descriptions Pin Pin name No. 1 MUTE_1 Activist the high Mute 1 Activist the high Mute 2 2 MUTE_2 (With a chattering prevention function) 3 BIAS30 3 V bias output 4 EVR_VTL EVR control pin 5 SPIN_R SP amp. Rch input The amplifier output for the gain 6 AMPO_R ...

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... AN12944A Absolute Maximum Ratings A No. Parameter 1 Storage temperature 2 Operating ambient temperature 3 Operating ambient atmospheric pressure 4 Operating constant gravity 5 Operating shock 6 Supply voltage 7 Supply current 8 Power dissipation Note ) 1: Expect for the storage temperature and operating ambient temperature, all ratings are for Ta 25°C. ...

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... AN12944A Electrical Characteristics at VCC 5.0 V, VCC-SP 5.0V 25°C±2°C unless otherwise specified. Note Parameter No. Circuit current 1 Circuit current 1A (VCC) 2 Circuit current 2A (VCC-SP) 3 Circuit current 1B (VCC) 4 Circuit current 2B (VCC-SP) 5 Circuit current 1C (VCC) 6 Circuit current 2C (VCC-SP) Supply for EVR 7 Supply voltage for EVR ...

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... AN12944A Electrical Characteristics at VCC 5.0 V, VCC-SP 5.0V (continued) 25°C±2°C unless otherwise specified. Note Parameter No. Speaker amplifier AGC characteristic at EVR max. (Pin 22, Pin 15 Pin 38 to Pin 41, Pin 44 to Pin 47) V13 Speaker amplifier 31 AGC output level 1 Speaker amplifier 32 AGC output level 1 ...

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... AN12944A Electrical Characteristics at VCC 5.0 V, VCC-SP 5.0V (continued) 25°C±2°C unless otherwise specified. Note Parameter No. Speaker amplifier EVR characteristic (Pin 22, Pin 15 Pin 38 to Pin 41, Pin 44 to Pin 47) V13 5 V, V24 5 V Speaker amplifier 51 audio output level L-ch. Speaker amplifier 52 audio output level R-ch. ...

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... AN12944A Electrical Characteristics at VCC 5.0 V, VCC-SP 5.0V (continued) 25°C±2°C unless otherwise specified. Note Parameter No. Voltage holding mode Active mute 1 73 voltage holding mode ON Active mute 1 74 voltage holding mode OFF Active mute 2 75 voltage holding mode ON Active mute 2 76 voltage holding mode OFF ...

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... AN12944A Control Pin Mode Table Note) See parameters the Pin No. Description 1 Active mute 1 2 Active mute 2 13 Filter ON/OFF 14 Standby ON/OFF 34 AGC ON/OFF Pin No. Description 4 Electronic volume control terminal 34 AGC level variable terminal Pin No. Description 23 BEEP volume control pin Electrical Characteristics for control voltage retention ranges ...

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... AN12944A Technical Data I/O block circuit diagrams and pin function descriptions Note) The characteristics listed below are reference values based on the IC design and are not guaranteed. SDF00040BEB 12 ...

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... AN12944A Technical Data (continued) I/O block circuit diagrams and pin function descriptions (continued) Note) The characteristics listed below are reference values based on the IC design and are not guaranteed. SDF00040BEB 13 ...

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... AN12944A Technical Data (continued) I/O block circuit diagrams and pin function descriptions (continued) Note) The characteristics listed below are reference values based on the IC design and are not guaranteed. SDF00040BEB 14 ...

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... AN12944A Technical Data (continued) I/O block circuit diagrams and pin function descriptions (continued) Note) The characteristics listed below are reference values based on the IC design and are not guaranteed. SDF00040BEB 15 ...

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... AN12944A Technical Data (continued) ⎯ diagram D a SDF00040BEB 16 ...

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... AN12944A Usage Notes 1. Avoid power line short and ground short of the terminal. 2. Especially, as pin 40, pin 41, pin 44 and pin 45 (SP output positive phase), pin 38, pin 39, pin 46 and pin 47 (SP output negative phase), when turn on the power supply under the condition of power line short, ground short or load short, it doesnt break because of protection circuit operating ...

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Request for your special attention and precautions in using the technical information and (1) If any of the products or technical information described in this book exported or provided to non-residents, the laws and regulations of the ...

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