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AN12906A Datasheet

Download or read online Panasonic Corporation AN12906A Audio Interface IC pdf datasheet.



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Low power drive · Mini package
A u d i o I n t e r f a c e I C A N 1 2 9 0 6 A
I Overview
The AN12906A is an input/output interface IC that has built-in audio capability.
This IC integrates in a single chip configuration a speaker amplifier , headphone
amplifier , microphone amplifier , AGC , microphone voltage supply and LPF.
Power supply voltage for Speaker-drive can drive low-voltage of 1.8 voltage.
AN12906A has the power-save function for each amplifier’s.
I Features
G Built-in Amplifier’s.
Speaker/BTL (mono) , Headphone (stereo ) , Microphone (mono) ,LPF
G Built-in Power-save function.
Speaker-Amp. , Headphone-Amp. , Microphone-Amp. , All-Standby
G Beep-input , Input-Gain change High & Low , Mute , AGC ON/OFF
G Power supply voltage : Vcc = 2.7 V to 4.2 V , Vcc_SP = 1.8 V to 4.2 V
G Speaker absolute maximum rating : 270 mW (typ)
G Package : QFN44-pin
I Applications
G IC-Recorder , PDA , DSC , etc.
I Applications Circuit
Supply for Microphone
MIC IN
SP
¶ The products and specifications are subject to change without any notice. Please ask for the latest product standards to guarantee the satisfaction of your product requirements.
1 Kotari-Yakemachi, Nagaokakyo, Kyoto 617-8520, Japan
E00105AE
6.20±0.10
(6.00)
33
34
44
1
R 0.30
SEATING PLANE
AN12906A
HP OUT
L
R
Tel. (075) 951-8151
http://www.panasonic.co.jp/semicon/
Unit:mm
5.00±0.10
(1.10)
23
1
11
12
22
44
22
34
12
11
33
23
0.40
(0.48)
0.16±0.06
0.10
M
0.10
QFN044-P-0606A
Audio Rec OUT
Audio IN L-ch
Audio IN R-ch
Beep IN
New publication, effective from Nov. 27. 2001.

Summary of Contents

Page 1

... Overview The AN12906A is an input/output interface IC that has built-in audio capability. This IC integrates in a single chip configuration a speaker amplifier , headphone amplifier , microphone amplifier , AGC , microphone voltage supply and LPF. ...

Page 2

I Block Diagram Gain Change 100kΩ High/Low Mic Amp ON/OFF 33 34 Mic IN 0.47µF 35 Mic voltage 36 Supply 1µF Vref 37 10µF Vcc 38 3.3 V 1µF 39 0.1µF 2.2Ω 40 15Ω 220µF L- GND R-ch ...

Page 3

I Pin Description Pin No. Function 1 N output (-) 3 GND (for SP output () 5 SP Power save SW 6 Beep input 7 SP amp. input 8 MIX amp. output 9 GND 10 N.C ...

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I Electrical Characteristics °C ± 2 °C,V Parameters Circuit current Circuit current without signal 1AH (V -system, MIC Amp. ON) CC Circuit current without signal 2AH (V -system, MIC Amp. ON) CC_SP Circuit current at SP,HP ...

Page 5

I Electrical Characteristics °C ± 2 °C,V Parameters Power supply for microphone Microphone power supply Microphone amp. characteristics Output level Output distortion Output noise Maximum input level Rec. AGC characteristics Rec. output level A ( REF ...

Page 6

I Electrical Characteristics °C ± 2 °C,V Parameters SP output characteristics SP reference output level at playback SP reference output distortion at playback SP reference output noise at playback SP output noise at mute and playback ...

Page 7

I Package Power Dissipation 1400 1392 1200 1000 800 600 400 353 200 Package only Rth(j-a)282.9 °C standard board (Grass epoxy:50×50×0.8mm Rth(j-a)71.8 °C Ambient Temperature 100 125 (°C) ...

Page 8

... B. Panasonic is endeavoring to continually improve the quality and reliability of these materials but there is always the possibility that further rectifications will be required in the future. Therefore, Panasonic will not assume any liability for any damages arising from any errors etc. that may ap- pear in this material. ...

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