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AN12946A Datasheet

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DATA SHEET
AN12946A
Part No.
Package Code No.
HQFP048-P-0707
Publication date: August 2008
SDF00044AEB
1
Specifications of Panasonic Corporation AN12946A
Mfr Package Description:
7 X 7 MM, PLASTIC, QFP-48
Technology:
BIPOLAR
Package Shape:
SQUARE
Package Style:
FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH
Surface Mount:
Yes
Terminal Form:
GULL WING
Terminal Pitch:
0.5000 mm
Terminal Position:
QUAD
Number of Functions:
1
Number of Terminals:
48
Package Body Material:
PLASTIC/EPOXY
Temperature Grade:
OTHER
Operating Temperature-Max:
85 Cel
Operating Temperature-Min:
-30 Cel
Supply Voltage-Max (Vsup):
5.5 V
Supply Voltage-Min (Vsup):
4.5 V
Consumer IC Type:
AUDIO AMPLIFIER
Number of Channels/Functions:
2

Summary of Contents

Page 1

... DATA SHEET Part No. Package Code No. Publication date: August 2008 AN12946A HQFP048-P-0707 SDF00044AEB 1 ...

Page 2

... AN12946A Overview .. 3 Features … ...

Page 3

... Stereo BTL amplifier IC with built-in MIC amplifier and regulator Overview AN12946A is a CMOS output power amplifier. The parallel control method is adopted selecting various modes including standby function ON/OFF. Moreover, a power supply for CODEC and the microphone amplifier necessary for notebook PC are built-in. ...

Page 4

... AN12946A Application Circuit Example (Block Diagram MIC_INL 38 μF MICL 39 1 μF MIC_INC MICC μF MICOUTC 42 1 μF MICOUTR MIC_INR 45 1 μF VCC_REG 46 MICR 5 Reg 1 μ 3.3 V OUT REG_STB recommended to use ...

Page 5

... AN12946A Pin Descriptions Pin No. Pin Name 1 REG_OUT Output 2 TEST1 3 VREF 4 BEEPDET 5 BEEP_IN 6 GND Ground 7 SP_INL 8 GND Ground 9 SP_INR 10 TEST2 11 VREFSP 12 TEST3 13 GND_SPR Ground 14 SP_OUTR Output 15 SP_OUTR Output 16 SP_OUTR Output 17 SP_OUTR Output 18 VCC_SPR Power supply 19 VCC_SPL Power supply 20 SP_OUTL ...

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... AN12946A Pin Descriptions (continued) Pin No. Pin Name Type 33 MICC_STBY Input 34 MICR_STBY Input 35 TEST4 Input 36 MICOUTL Output 37 GND Ground 38 MIC_INL Input 39 GND Ground 40 MIC_INC Input 41 GND Ground 42 MICOUTC Output 43 MICOUTR Output 44 GND Ground 45 MIC_INR Output 46 GND Ground 47 VCC_REG Power supply 48 REG_STBY Input ...

Page 7

... AN12946A 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 range under absolute maximum ratings, power dissipation. 2: Power dissipation shows the value of only package at T When using this IC, refer to the 5. P 3: Expect for the storage temperature and operating ambient temperature, all ratings are for T ...

Page 8

... AN12946A Electrical Characteristics at VCC_SPL VCC_SPR VCC_REG 5.0 V, SP_GAIN 17 dB Ω Note 25°C±2°C unless otherwise specified Parameter No. Circuit current Circuit current 1A at Non-signal 1 (VCC_SP system) Circuit current 2A at Non-signal 2 (VCC_REG) Circuit current 3A at Non-signal 3 (VCC_SP system) Circuit current 4A at Non-signal ...

Page 9

... AN12946A Electrical Characteristics at VCC_SPL VCC_SPR VCC_REG 5.0 V, SP_GAIN 17 dB Ω (continued) Note 25°C±2°C unless otherwise specified Parameter No. Microphone Amplifier Characteristics SP_STB ON, REG_STB OFF, MIC_STB OFF, DETECT OFF 15 MIC amp. reference output level 16 MIC amp. output distortion 1 17 MIC amp ...

Page 10

... AN12946A Electrical Characteristics (Reference values for design) at VCC_SPL VCC_SPR VCC_REG 5.0 V, SP_GAIN 17 dB, RL 8 Ω 25°C±2°C unless otherwise specified. Note The characteristics listed below are reference values for design of the IC and are not guaranteed by inspection problem does occur related to these characteristics, Matsushita will respond in good faith to user concerns. ...

Page 11

... AN12946A Technical Data 1. STBY-control (a) SP_STBY ON/OFF selection Pin voltage Pin 30 Pin 31 (SP_STBY1) (SP_STBY2) Low Low Low High High Low High High (c) MIC_STBY ON/OFF selection Pin voltage Pin 32, 33, 34 (MIC_STBY) Low High (e) SP gain selection Pin voltage Pin 27 Pin 28 (SP_GAIN1) (SP_GAIN2) Low ...

Page 12

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage REG_OUT 1 DC 3.3 V TEST1 2 VREF GND BEEPDET 2.8 V GND ...

Page 13

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage VREG BEEP_IN GND 6 GND 7 SP_INL 7 GND GND ...

Page 14

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage SP_INR 9 9 GND TEST2 10 VCC_SPL(5V) VREFSP 2.5 V GND ...

Page 15

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage 13 GND_SPR SP_OUTR() 2 2 dBV SP_OUTR(– 2 2 dBV ...

Page 16

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage VCC_SPL SP_OUTL(– 2 2 dBV SP_OUTL() ...

Page 17

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage 25 N.C. 26 N.C. VCCSP 27 27 SPGAIN1 GND VCCSP 28 28 SPGAIN2 GND Internal circuit Impedance — ...

Page 18

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage 29 29 DET_ON/OFF GND 30 30 SP_STBY1 GND 31 31 SP_STBY2 GND 32 32 ...

Page 19

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage 33 33 MICC_STBY GND 34 34 MICR_STBY GND 35 TEST4 VREG MICOUTL 36 36 ...

Page 20

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage 37 GND MIC_INL 38 38 GND DC 2 GND MIC_INC 2.0 V GND ...

Page 21

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage 41 GND VREG MICOUTC GND VREG MICOUTR ...

Page 22

... AN12946A Technical Data (continued) 2. 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. Pin Waveform No. and voltage MIC_INR 45 45 GND DC 2 GND 47 VCC_REG 48 48 REG_STB GND Internal circuit ...

Page 23

... AN12946A Technical Data (continued) 3. Turn ON time descriptions Note) The characteristics listed below are reference values based on the IC design and are not guaranteed. Condition: Speaker STBY On Off, REG_STBY Off, MIC_STBY On, VCC_SP VCC_REG 5 V, Vin_SP 17 dBV Ω SP STBY On Off SPOUT_ L SP_L() SP_L(-) ...

Page 24

... AN12946A Technical Data (continued) 4. The power supply and logic sequence The timing control of power-ON/OFF and each logic according to the procedure below should be applied for the best pop-noise performance caused during switching. The sequence of the power supply and each logic Please bring up the power supply first, and then get STBY OFF. ...

Page 25

... AN12946A Technical Data (continued) ⎯ diagram D a SDF00044AEB 25 ...

Page 26

... AN12946A Usage Notes 1. This IC is intended to be used for general electronic equipment [Note book PC]. Consult our sales staff in advance for information on the following applications: Special applications in which exceptional quality and reliability are required the failure or malfunction of this IC may directly jeopardize life or harm the human body. ...

Page 27

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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