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For Digital Still Cameras
Audio Input/Output Interface IC AN2905FHQ
I Overview
The AN2905FHQ is an audio input/output interface IC for digital still cameras that have built-in audio capability. This IC integrates in single chip configuration all audio processing functions that precede digital processing and follow D/A conversion, thus contributing to more compact equipment design.
36 37 9.000.20 7.000.20 25 24
Unit:mm
(0.75)
48 13 (0.75)
0.50
0.10 M
G Incorporates in a single chip all necessary functions for pre- and post audio processing. G Built-in microphone amplifier and microphone power supply. G Built-in 0.5W BTL amplifier. G Built-in SP power-save and electronic volume control functions. G Built-in internal microphone amplifier-off function. G Built-in AGC SW function. G Built-in playback AGC function.
(1.00)
0.150.05
SEATING PLANE
0 to 10 0.500.20
LQFP048-P-0707A
I Applications
G DSC
I Sample Applications
Microphone Power Source Record output A/D converter MIC IN AN2905FHQ D/A converter Playback input SP Line output Beep input
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
D00090AE
Tel. (075) 951-8151
http://www.panasonic.co.jp/semicon/
New publication, effective from May. 25. 2001.
0.100.20
1.400.10 1.70 max
I Features
1
12 0.200.05
7.000.20 9.000.20
I Block Diagram
10k
100k 4.7F
47k 0.47F 0.47F 10k
0.47F
Record output
To A/D converter
0.47F
AGND
36
Gain 37 Adjustment
35
34
VREF
33
32
31
30
29
28
27
26
25
-12.3dBS
-26dBS DET
10F
38
AGC HPF changeover 0.22F Microphone Input VREF
23
+28dB -67dBS
39 40 41
22 Microphone amp. ON/OFF SW
VCC
10F
21
Microphone Power Source -12.3dBS
0.47F
24
Standby changeover
+3.10V
20 19
2V
HPF changeover Playback input From D/A converter
1F
42
10F
43
VCCH
10F
VREFH LPF -7dBS
Electronic volume AGC Vol. CTL DET
18 AGC ON/OFF 17 16 15 14 13 11
0.47F
+4.90 V
44 45
AGND
AGND EVR_CTL
Line output 2.2F SP Power save SW SP_VCC +4.30 V
10F
46 47
SP Power save
Electronic volume Vol. CTL
EVR Mute
VREF_SP
48
SP_GND
1
2
3
4
10F
5
6
7
8
9
0.47F
10
12
4.7F 100k 0.47F
0.47F
0.1F 2.2
0.1F 2.2
AGND
6
Beep input
0.47F
0.47F
EVR_CTL
I Pin Descriptions
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Function SP Output(+) GND ( for SP ) SP Output(-) 1/2VCC_SP SP Amp. Input MIX Amp. Output GND MIX Amp. input for Beep Electronic Volume Output for Bee Electronic Volume Control for Beep Beep input AGC Det. pin for playback MIX Amp. input Electronic Volume Output EVR mute Electronic Volume Control GND AGC changeover SW Playback input HPF changeover SW VCC Microphone Amp. power save SW 1/2VCC (VREF) Standby changeover Pin No. 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Function REC output HPF OP Amp. input OP Amp. output OP Amp. input OP Amp. input AGC output GND AGC Det. pin Noise for wind HPF output Noise for wind HPF bias output Noise for wind HPF OP Amp. input Noise for wind HPF through input MIC Amp. negative feedback pin MIC Amp. Output Noise for wind SW MIC Amp. Input MIC Power supply MIC Power supply filter 1/2VCCH (VREFH) VCCH GND Line Output SP Power save SW VCC_SP (for SP drive)
I Absolute Maximum Ratings
Parameter Storage temperature Operating ambient temperature Supply voltage Supply current Power dissipation Symbol Tstg Topr VCC VCCH/VCC_SP ICC PD Rating -55 to +150 -20 to +70 3.5 5.2 361 A mW 3 Unit C C V Note 1 1 2
Note 1) Ta=25C except storage temperature and operating ambient temperature. Note 2) When used within the range not exceeding the absolute maximum ratings and the power dissipation. Note 3) Power dissipation shows the value of only package at Ta=70C.
I Recommended Operating Range
VCCH Operating supply voltage range VCC VCC_SP 4.50 to 5.00 V 2.70 to 3.30 V 2.70 to 5.00 V
I Electrical Characteristics (Ta=25C2C,VCCH=4.9V,VCC_SP=4.1V,VCC=3.1V)
Parameter Circuit current Circuit current without signal (1A) ( VCC -system ) Circuit current without signal (2A) (VCC-H-system) Circuit current without signal (3A) (VCC-SP-system) Circuit current without signal (1B) ( VCC -system ) Circuit current without signal (2B) (VCC-H-system) Circuit current without signal (3B) (VCC-SP-system) Circuit current without signal (3C) (VCC-H-system) Circuit current without signal (3D) (VCC-H-system) Circuit current without signal (1C) ( VCC -system ) Power supply for microphone Microphone supply voltage VMIC IO= -5 mA 1.8 2.0 2.2 V IVCCC MIC amp. OFF 1.8 2.8 mA IVCCHD SP,I/O power save 1.8 2.8 mA IVCCHC SP power save 3.0 4.0 mA IVCCSB SP power save 0.7 1.7 mA IVCCHB I/O power save 1.8 2.8 mA IVCCB I/O power save 0.5 1.5 mA IVCCSA without signal 1.0 3.0 6.0 mA IVCCHA without signal 2.8 3.8 4.8 mA IVCCA without signal 2.2 3.2 4.2 mA Symbol Condition min typ max Unit
I Electrical Characteristics (Ta=25C2C,VCCH=4.9V,VCC_SP=4.1V,VCC=3.1V)
Parameter Microphone amp. Characteristics Output level Output distortion factor 1 Output noise Output distortion factor 2 Rec. AGC characteristic Rec. reference output level A Rec. reference output distortion factor 1A Rec.reference output noise A MIC AGC characteristics 1 MIC AGC characteristics 2 MIC AGC characteristics 3 MIC AGC characteristics 3 distortion factor MIC AGC characteristics 4 MIC AGC characteristics 4 distortion factor AGC DC offset voltage PB line output characteristics Line reference output level at playback Line reference output distortion factor at playback Line reference output noise at playback Line maximum output level at playback Line closstalk Mic.-in Line out REC closstalk 1 PB-in Rec.-out VSOPS1 VSOPS1 VLMAPOS f = 1 kHz,load = 22 k THD = 1 % (up to 5th) Vin = -61 dBV,f = 1 kHz using A-curve filter,at playback Vin = -7.3 dBV,f = 1 kHz using A-curve filter -81 -73 dBS -83 -78 dBS 2.8 6.3 dBS VNOPS THLOPS Vin = -12.3 dBV,1 kHz up to 5th THD Without signal, using A-curve filter -84 -78 dBS 0.02 0.10 % VDROM VAGCM4 THAGCM4 Symbol Condition min typ max Unit
Microphone amp. input Microphone amp. output VROM THROM1 NROM THROM2 Vin = -37 dBS,1 kHz Vin = -37 dBS,1 kHz,up to 5th THD Without signal, using A-curve filter Vin = -33 dBS,1 kHz,up to 5th THD -9 -8 0.02 -89 0.02 -7 0.10 -84 1.0 dBS % dBS %
AGC inputRec. input VROA THROA VNROA VAGCML1 VAGCML2 VAGCML3 THAGCM3 Vin = -38 dBS,1 kHz
Vin = -38 dBS,1 kHz,up to 5th THD
-13.3 -9.3 -9.0 -8.8 -
-12.3 0.01 -81 -7.3 -6.0 -5.8 0.10
-11.3 0.10 -75 -5.3 -3.0 -2.8 0.40
dBS % dBS dBS dBS dBS %
Without signal, using A-curve filter Vin = -33 dBS,1 kHz Vin = -28 dBS,1 kHz Vin = -22 dBS,1 kHz Vin = -22 dBS,1 kHz up to 5th THD,load = 22 k Vin = -4 dBS,1 kHz Vin = -4 dBS,1 kHz up to 5th THD,load = 22 k Without signal, difference from VREF
-8.0 -
-5.0 0.15
-2.0 1.0
dBV %
-30
0
30
mV
PB input LINE output VLOPS Vin = -12.3 dBS,1 kHz -8.0 -7.0 -6.0 dBS
I Electrical Characteristics (Ta=25C2C,VCCH=4.9V,VCC_SP=4.1V,VCC=3.1V)
Parameter Electronic Volume Characteristic Electronic Volume MAX (+10dB)gain Electronic Volume TYP (0dB)gain Electronic Volume MIN ((maximum attenuation)gain Playback system AGC ON characteristics AGC characteristics 1 VPBAGC1 Vin = -22.3 dBS,1 kHz Vol.=MAX AGC characteristics 2 Reference +10dB AGC characteristics 3 Reference +22.3dB AGC characteristics 3 Reference +22.3dB distortion factor THPBAGC3 VPBAGC3 VPBAGC2 Vin = -12.3 dBS,1 kHz Vol.=MAX Vin = 0 dBS,1 kHz Vol.=MAX Vin = 0 dBS,1 kHz Vol.=MAX,up to 5th THD 0.85 1.0 % -11.5 -8.5 -5.5 dBS -12.5 -9.5 -6.5 dBS -20 -18 -16 dBS VEVMI VEVTP Symbol Condition min typ max Unit
PB input EVR output (AGC=OFF) VEVMA Vin = -12.3 dBS,1 kHz Vol.= MAX(V16=3.1 V) Vin = -12.3 dBS,1 kHz Vol.= CENTER(V16=1.55 V) Vin = -12.3 dBS,1 kHz
Vol.= MIN(V16=0 V),using A-curve filter
-12.0
-11.0
-10.0
dBS
-24.0
-21.0
-18.0
dBS
-
-90
-80
dBS
Speaker output-system characteristics 1 (AGC OFF) Reference output level at playback Reference output distortion factor at playback Reference output noise voltage at playback maximum rating output at playback Power save output at playback Beep EVR characteristics 1 (EVR = MAX) Beep EVR characteristics 2 (EVR = MIN) VBMI VBMA VPSPPS VMSPPS VNSPPS THSPPS VSPPS Vin = -14.3 dBS,1 kHz,Vol=MAX Beep EVR = MIN,RL = 6 Vin = -14.3 dBS,1 kHz,Vol=MAX Beep EVR = MIN,RL = 6
without signal, using A-curve filter
0.0
1.5
3.0
dBS
-
0.2
0.9
%
300 -
-78 500 -110
-74 -90
dBS mW dBS
Vol=TYP,Beep EVR = MIN,RL= 6
f = 1 kHz,Vol = MAX Beep EVR = MIN,RL = 6 ,THD = 10 %
Vin = -14.3 dBS,1 kHz,Vol=MAX using A-curve filter, RL = 6 Vin = -15 dBS,1 kHz Vol = MIN,RL = 6 Vin = -15 dBS,1 kHz,Vol = MIN using A-curve filter,RL = 6
0.0 -
1.5 -72
3.0 -67
dBS dBS
Speaker output-system characteristics 2 (AGC ON) Reference output level at playback Reference output distortion factor at playback Reference output noise voltage at playback VNSPPS THSPPS VSPPS Vin = -12.3 dBS,1 kHz,Vol=MAX Beep EVR = MIN,RL = 6 Vin = -12.3 dBS,1 kHz,Vol=MAX Beep EVR = MIN,RL = 6
without signal,Ausing A-curve filter
2.0
5.0
6.5
dBS
-
0.2
0.9
%
-
-72
-68
dBS
Vol=TYP,Beep EVR = MIN,RL= 6
I Electrical Characteristics (Ta=25C2C,VCCH=4.9V,VCC_SP=4.1V,VCC=3.1V)
Parameter Mode selection hold voltage HPF OFF hold voltage range HPF ON hold voltage range SP output ON hold voltage range SP output OFF hold voltage range Standby ON hold voltage range Standby OFF hold voltage range MIC Amp. ON hold voltage range MIC Amp. OF F hold voltage range HPF ON hold voltage range HPF OFF hold voltage range AGC ON hold voltage range AGC OFF hold voltage range EVR mute ON hold voltage range EVR mute OFF hold voltage range V39L V39H V47L V47H V24L V24H V22H V22L V20L V20H V18L V18H V15L V15H 0.0 2.5 0.0 2.6 0.0 2.6 0.0 2.6 0.0 2.6 0.0 2.6 0.0 2.6 0.5 3.1 0.5 4.3 0.5 3.1 0.5 3.1 0.5 3.1 0.5 3.1 0.5 3.1 V V V V V V V V V V V V V V Symbol Condition min typ max Unit
I Characteristics Curve
Electronic Volume Control curve
0 -10
Electronic volume output level (dBS)
-20 -30 -40 -50 -60 -70 -80 -90 -100 0 1 2 3
Electronic Volume control voltage (V)
External resistance vs MIC Amp.gain
29 100k 28 68k 27 47k 33k 26 82k
VCC SP vs maximum consumptive power
1000 900
Maximum consumptive power (mW)
800 700 600 500 400 300 200 100
VCC=3.1 V VCCH=4.9 V ROUT=6 TEMP=27 C AGC:OFF
MIC Amp. gain (dB)
25
22k
24 15k 23 10k 22 0 20 40 60 80 100
0
3.0
4.0
5.0
External resistance between 37-38 pin (k)
VCC SP supply voltage (V)
I Package Power Dissipation
1400
On a glass-epoxy resin print board (50x50x0.8t mm) Rth(j-a)=103.1C/W
1211 1200
1000
Power Dissipation PD (mW)
800
600 564.6
400
With out heatsink
200
Rth(j-a)=221.4C/W
0 0 25 50 75 100 125 150
Ambient Temperature Ta ( C)
Request for your special attention and precautions in using the technical information and semiconductors described in this material
(1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. It does not constitute the warranting of industrial property, the granting of relative rights, or the granting of any license. (3) The products described in this material are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: * Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. * Any applications other than the standard applications intended. (4) The products and product specifications described in this material are subject to change without notice for reasons of modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the guaranteed values, in particular those of maximum rating, the range of operating power supply voltage and heat radiation characteristics. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, redundant design is recommended, so that such equipment may not violate relevant laws or regulations because of the function of our products. (6) When using products for which dry packing is required, observe the conditions (including shelf life and afterunpacking standby time) agreed upon when specification sheets are individually exchanged. (7) No part of this material may be reprinted or reproduced by any means without written permission from our company.
Please read the following notes before using the datasheets
A. These materials are intended as a reference to assist customers with the selection of Panasonic semiconductor products best suited to their applications. Due to modification or other reasons, any information contained in this material, such as available product types, technical data, and so on, is subject to change without notice. Customers are advised to contact our semiconductor sales office and obtain the latest information before starting precise technical research and/or purchasing activities. 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 appear in this material. C. These materials are solely intended for a customer's individual use. Therefore, without the prior written approval of Panasonic, any other use such as reproducing, selling, or distributing this material to a third party, via the Internet or in any other way, is prohibited.
2001 MAR

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