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产品型号BD37523FS的Datasheet PDF文件预览

1/4  
Structure:  
Product:  
Silicon Monolithic Integrated Circuit  
Sound Processor for car audio  
Type:  
BD37523FS  
Package:  
SSOP-A24  
Feature  
1. Reduce switching noise of input gain control, mute, main volume, fader volume, bass, treble, loudness by using  
advanced switch circuit [Possible to control all steps]  
2. Built-in ground isolation amplifier inputs, ideal for external stereo input.  
3. Built-in input gain controller reduce switching noise for volume of a portable audio input.  
4. Decrease the number of external components by built-in 2-band equalizer filter, LPF for subwoofer, loudness filter.  
And, possible to control Q, Gv, fo of 2-band equalizer and fc of LPF, fo, Gv of loudness by I2C BUS control freely.  
5. It is possible for the bass, treble to the gain adjustment quantity of ±20dB and 1 dB step gain adjustment.  
6. Bi-CMOS process is suitable for the design of low current and low energy. And it provides more quality for small  
scale regulator and heat in a set.  
7. Package is SSOP-A24. Putting input-terminals together and output-terminals together can make PCB layout  
easier and can makes area of PCB smaller.)  
8. It is possible to control by 3.3V / 5V for I2C BUS.  
Absolute Maximum Ratings (Ta=25)  
Parameter  
Power supply Voltage  
Input voltage  
Power Dissipation  
Storage Temperature  
Symbol  
VCC  
VIN  
Pd  
Tastg  
Limits  
10.0  
VCC+0.3GND-0.3  
1000 1  
-55+150  
Unit  
V
V
mW  
1 At Ta25°C or higher, this value is decreaced to 8mW/°C  
When Rohm standard board is mounted.  
Rohm standard board:  
Size70×70×1.6(mm3)  
materialFR4 glass-epoxy substrate (copper foil area: not more than 3%).  
Operating Range  
Parameter  
Power supply Voltage  
Temperature  
Symbol  
VCC  
Min.  
7.0  
Typ.  
Max.  
9.5  
Unit  
V
Topr  
-40  
+85  
Design against radiation-proof isn’t made.  
REV. A  
2/4  
Function  
Function  
Specifications  
Stereo 4 single-end input and 1differential input  
020dB (1dB step), Possible to use “Advanced switch” for prevention of switching noise  
Possible to use “Advanced switch” for prevention of switching noise.  
+15dB~-79dB (1dB step), -∞dB  
Possible to use “Advanced switch” for prevention of switching noise.  
-20+20dB (1dB step), Q=0.5, 1, 1.5, 2, fo=60, 80, 100, 120Hz  
Possible to use advanced switch at changing gain  
Input selector  
Input gain  
Mute  
Volume  
Bass  
-20+20dB (1dB step), Q=0.75, 1.25,  
Possible to use advanced switch at changing gain  
+15dB~-79dB (1dB step), -∞dB  
Possible to use “Advanced switch” for prevention of switching noise.  
0dB20dB (1dB step), fo=800Hz  
Possible to use “Advanced switch” for prevention of switching noise.  
fc=55/85/120/160Hz, pass  
Phase shift ( 0°/180°)  
fo=7.5k, 10k, 12.5k, 15kHz  
Treble  
Fader  
Loudness  
LPF  
Electrical Characteristic  
(Unless specified particularly, Ta=25,, VCC=8.5V, f=1kHz, Vin=1Vrms, Rg=600Ω, RL=10kΩ, A input,  
Input gain 0dB, Mute OFF, Volume 0dB, Tone control 0dB, Loudness 0dB, Fader 0dB, LPF off)  
Limit  
Item  
Symbol  
Unit  
Condition  
Min.  
Typ.  
38  
0
Max.  
48  
IQ  
GV  
CB  
mA  
dB  
dB  
No signal  
Current upon no signal  
Voltage gain  
-1.5  
-1.5  
1.5  
1.5  
Gv=20log(VOUT/VIN)  
CB = GV1-GV2  
0
Channel balance  
Total harmonic distortion 1  
(FRONT,REAR)  
Total harmonic distortion 2  
(SUBWOOFER)  
Output noise voltage 1  
(FRONT,REAR)  
Output noise voltage 2  
(SUBWOOFER)  
VOUT=1Vrms  
THD+N1  
THD+N2  
VNO1  
0.001  
0.002  
3.8  
0.05  
0.05  
15  
BW=400-30KHz  
VOUT=1Vrms  
BW=400-30KHz  
Rg = 0Ω  
BW = IHF-A  
Rg = 0Ω  
BW = IHF-A  
μVrms  
μVrms  
VNO2  
4.8  
15  
Fader=-∞dB  
VNOR  
CTC  
RR  
μVrms  
dB  
Rg=0Ω  
1.8  
-100  
-70  
10  
-90  
-40  
Residual output noise voltage  
Cross-talk between channels  
Ripple rejection  
BW=IHF-A  
Rg=0Ω  
CTC=20log(VOUT/VIN)  
BW=IHF-A  
f=100Hz  
dB  
VRR=100mVrms  
RR=20log(VOUT/VCCIN)  
CP1 and CN input  
CP2 and CN input  
CMRR=20log(VIN/VOUT)  
BW = IHF-A  
CMRR  
50  
65  
dB  
Common mode rejection ratio  
VIM at THD+N(VOUT)=1%  
VIM  
2.1  
13  
2.3  
15  
Vrms  
dB  
Maximum input voltage  
Maximum gain  
BW=400-30kHz  
Volume = 15dB  
VIN=100mVrms  
Gv=20log(VOUT/VIN)  
Volume=-∞dB  
Gf=20log(VOUT/VIN)  
BW=IHF-A  
GV MAX  
17  
dB  
GV MIN  
VOM  
-100  
2.2  
-85  
Maximum attenuation  
THD+N=1%  
BW=400-30kHz  
2.0  
Vrms  
Maximum output voltage  
REV. A  
3/4  
Dimensional outline drawing  
BD37523FS  
Lot No.  
SSOP-A24 (Unitmm)  
Block Diagram  
Descriptions of terminal  
Terminal  
No.  
Terminal  
Name  
1
FIL  
A1  
2
3
A2  
4
B1  
5
B2  
6
CP1  
CN  
7
8
CP2  
D1  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
D2  
E1  
E2  
MUTE  
TEST1  
TEST2  
OUTS  
OUTR2  
OUTR1  
OUTF2  
OUTF1  
VCC  
SCL  
SDA  
GND  
REV. A  
4/4  
Cautions on use  
(1) Absolute maximum ratings  
If applied voltage, operating temperature range, or other absolute maximum ratings are exceeded, the LSI may  
be damaged. Do not apply voltages or temperatures that exceed the absolute maximum ratings. If you think  
of a case in which absolute maximum ratings are exceeded, enforce fuses or other physical safety measures  
and investigate how not to apply the conditions under which absolute maximum ratings are exceeded to the LSI.  
(2) GND potential  
Make the GND pin voltage such that it is the lowest voltage even when operating below it. Actually confirm  
that the voltage of each pin does not become a lower voltage than the GND pin, including transient phenomena.  
(3) Thermal design  
Perform thermal design in which there are adequate margins by taking into account the allowable power  
dissipation in actual states of use.  
(4) Shorts between pins and misinstallation  
When mounting the LSI on a board, pay adequate attention to orientation and placement discrepancies of the  
LSI. If it is misinstalled and the power is turned on, the LSI may be damaged. It also may be damaged if it is  
shorted by a foreign substance coming between pins of the LSI or between a pin and a power supply or a pin  
and a GND.  
(5) Operation in strong magnetic fields  
Adequately evaluate use in a strong magnetic field, since there is a possibility of malfunction.  
REV. A  
Notice  
N o t e s  
No copying or reproduction of this document, in part or in whole, is permitted without the  
consent of ROHM Co.,Ltd.  
The content specified herein is subject to change for improvement without notice.  
The content specified herein is for the purpose of introducing ROHM's products (hereinafter  
"Products"). If you wish to use any such Product, please be sure to refer to the specifications,  
which can be obtained from ROHM upon request.  
Examples of application circuits, circuit constants and any other information contained herein  
illustrate the standard usage and operations of the Products. The peripheral conditions must  
be taken into account when designing circuits for mass production.  
Great care was taken in ensuring the accuracy of the information specified in this document.  
However, should you incur any damage arising from any inaccuracy or misprint of such  
information, ROHM shall bear no responsibility for such damage.  
The technical information specified herein is intended only to show the typical functions of and  
examples of application circuits for the Products. ROHM does not grant you, explicitly or  
implicitly, any license to use or exercise intellectual property or other rights held by ROHM and  
other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the  
use of such technical information.  
The Products specified in this document are intended to be used with general-use electronic  
equipment or devices (such as audio visual equipment, office-automation equipment, commu-  
nication devices, electronic appliances and amusement devices).  
The Products specified in this document are not designed to be radiation tolerant.  
While ROHM always makes efforts to enhance the quality and reliability of its Products, a  
Product may fail or malfunction for a variety of reasons.  
Please be sure to implement in your equipment using the Products safety measures to guard  
against the possibility of physical injury, fire or any other damage caused in the event of the  
failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM  
shall bear no responsibility whatsoever for your use of any Product outside of the prescribed  
scope or not in accordance with the instruction manual.  
The Products are not designed or manufactured to be used with any equipment, device or  
system which requires an extremely high level of reliability the failure or malfunction of which  
may result in a direct threat to human life or create a risk of human injury (such as a medical  
instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-  
controller or other safety device). ROHM shall bear no responsibility in any way for use of any  
of the Products for the above special purposes. If a Product is intended to be used for any  
such special purpose, please contact a ROHM sales representative before purchasing.  
If you intend to export or ship overseas any Product or technology specified herein that may  
be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to  
obtain a license or permit under the Law.  
Thank you for your accessing to ROHM product informations.  
More detail product informations and catalogs are available, please contact us.  
ROHM Customer Support System  
http://www.rohm.com/contact/  
www.rohm.com  
© 2010 ROHM Co., Ltd. All rights reserved.  
R1010  
A
配单直通车
BD37523FS产品参数
型号:BD37523FS
是否无铅: 不含铅
是否Rohs认证: 符合
生命周期:Active
零件包装代码:SSOP
包装说明:SSOP,
针数:24
Reach Compliance Code:compliant
HTS代码:8542.39.00.01
风险等级:5.66
商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:R-PDSO-G24
JESD-609代码:e2
长度:10 mm
功能数量:1
端子数量:24
最高工作温度:85 °C
最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY
封装代码:SSOP
封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260
认证状态:Not Qualified
座面最大高度:1.9 mm
最大供电电压 (Vsup):9.5 V
最小供电电压 (Vsup):7 V
表面贴装:YES
技术:BICMOS
温度等级:INDUSTRIAL
端子面层:Tin/Copper (Sn/Cu)
端子形式:GULL WING
端子节距:0.8 mm
端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:5.4 mm
Base Number Matches:1
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