- 您现在的位置：买卖IC网 > PDF目录48103 > YMU757B-QZ TONE/MUSIC SYNTHESIZER, PQCC20 PDF资料下载
参数资料
| 型号： | YMU757B-QZ |
| 元件分类： | 音频合成 |
| 英文描述： | TONE/MUSIC SYNTHESIZER, PQCC20 |
| 封装： | LEAD FREE, QFN-20 |
| 文件页数： | 22/43页 |
| 文件大小： | 990K |
| 代理商： | YMU757B-QZ |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页当前第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页
YMU757B
-29-
Example of system connection
Warning for the device which makes sound through speaker
A speaker radiates heat in a voice-coil by air flow accompanying vibration of a diaphragm. When DC signal
(several Hz or less) is input, heat radiation characteristics falls rapidly.
In addition, even if it is used lower than the rated input, it may lead to voice-coil burnout, smoke, or ignition of a
speaker.
In order to avoid such situations, be sure to implement one or more preventive measures from the followings.
1. Do not select settings (sound creation) which may generate DC signal.
(Since thoroughness of this preventive measure is generally difficult, we recommend the combined use with
the following 2, 3, and 4)
2. Add the equivalent of DC cut digital filter for cutting DC signal into a digital section.
(As long as “Built-in” is not mentioned in the manual, there is no such built-in circuit inside of a device).
3. Add a DC cut capacitor for cutting DC signal into an analog section.
(When addition is specified in the example of a recommended circuit diagram, be sure to add)
4. When a latter stage device exists in the signal path from this device to speaker, be sure to realize the DC cut is
realized in a latter stage device.
In addition, the above-mentioned measures are based on the assumption that the device itself, DC cut capacitor, and
a latter stage device will be in a normal operation. Therefore, it is also necessary to implement measures based on
the assumption of these part failures.
SCLK
SDIN
SYNC
DVSS
DVDD
YMU757B
/RST
+3.0V
RESET#
SYNC
SDIN
SCLK
CLK_I
CLK
AVDD
AVSS
/IRQ
IRQ#
SPOUT1
SPOUT2
VREF
0.1F
EQ1
EQ2
C1
EQ3
R1
R2
C2
HPOUT
Headphone
AIN
+3.0V
0.1uF
4.7F
0.1F
4.7F
SPVSS
相关PDF资料 |
PDF描述 |
|---|---|
| YMU757B-Q | TONE/MUSIC SYNTHESIZER, PQCC20 |
| YMU757B | 1-4 CABLE/SATELLITE TV SPLITTER, 2GHZ |
| YMU757B | TONE/MUSIC SYNTHESIZER, PQCC20 |
| YMU757 | TONE/MUSIC SYNTHESIZER, PDSO20 |
| YMU759-Q | TONE/MUSIC SYNTHESIZER, PQCC32 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| YMU759 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:SYNTHESIS LSI FOR PORTABLE TELEPHONE |
| YMU759B-Q | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| YMU762 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Mobile Audio 3 |
| YMW025 | 制造商:YEONHO 制造商全称:YEONHO ELECTRONICS 功能描述:2.50mm PITCH CONNECTOR |
| YMW025-02R | 制造商:YEONHO 制造商全称:YEONHO ELECTRONICS 功能描述:2.50mm PITCH CONNECTOR |
发布紧急采购，3分钟左右您将得到回复。