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CXA2561Q PDF预览

CXA2561Q

更新时间: 2024-01-20 04:23:45
品牌 Logo 应用领域
索尼 - SONY 噪声抑制集成电路消费电路商用集成电路放大器
页数 文件大小 规格书
20页 325K
描述
Dolby B-C Type Noise Reduction System with Playback Equalizer Amplifier

CXA2561Q 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFP
包装说明:QFP, QFP40,.35SQ针数:40
Reach Compliance Code:unknown风险等级:5.81
Is Samacsys:N商用集成电路类型:DOLBY NOISE REDUCTION IC
杜比类型:B AND C谐波失真:0.05%
JESD-30 代码:S-PQFP-G40JESD-609代码:e4
长度:7 mm信道数量:2
功能数量:1端子数量:40
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:QFP
封装等效代码:QFP40,.35SQ封装形状:SQUARE
封装形式:FLATPACK峰值回流温度(摄氏度):260
播放/录制模式:PLAYBACK电源:7.8,11 V
认证状态:Not Qualified座面最大高度:1.85 mm
子类别:Noise Suppression ICs最大压摆率:25 mA
最大供电电压 (Vsup):11 V最小供电电压 (Vsup):7.8 V
表面贴装:YES技术:BIPOLAR
温度等级:INDUSTRIAL端子面层:Palladium (Pd)
端子形式:GULL WING端子节距:0.65 mm
端子位置:QUAD处于峰值回流温度下的最长时间:10
宽度:7 mmBase Number Matches:1

CXA2561Q 数据手册

 浏览型号CXA2561Q的Datasheet PDF文件第12页浏览型号CXA2561Q的Datasheet PDF文件第13页浏览型号CXA2561Q的Datasheet PDF文件第14页浏览型号CXA2561Q的Datasheet PDF文件第16页浏览型号CXA2561Q的Datasheet PDF文件第17页浏览型号CXA2561Q的Datasheet PDF文件第18页 
CXA2561Q  
5. Operating mode control method  
The CXA2561Q has a Dolby NR mode select switch (NRMODE), Dolby NR switch (NRSW), mute switch  
(MUTE SW), playback equalizer amplifier select switch (TAPESW), head input select switch (DRSW), music  
sensor mode select switch (MSMODE) and music sensor switch (MSSW).  
The operating modes for each switch are shown in the following table.  
Pin voltage  
Pin No.  
Pin name  
Low (OPEN)  
Dolby B type NR  
Dolby NR OFF  
MUTE OFF  
70µs  
High  
Dolby C type NR  
Dolby NR ON  
MUTE ON  
120µs  
15  
16  
17  
18  
19  
20  
21  
NRMODE  
NRSW  
MUTESW  
TAPESW  
DRSW  
PBIN FORWARD  
G1  
PBIN REVERSE  
G2  
MSMODE  
MSSW  
MS ON  
MS OFF  
Notes on Operation  
1. DIREF pin resistance  
The current on DIREF (Pin 25) is the reference for the Dolby NR static characteristic, playback equalizer  
amplifier resistor 7k/12kand the comparator threshold value of the music sensor.  
Use the resistor with high accuracy for connecting to the DIREF pin.  
(The resistance accuracy of 2% <metal-oxide> is recommended.)  
2. Dolby NR  
The Dolby NR attack/recovery time is determined by the capacitance connected to TCH (Pins 8 and 23),  
and TCL (Pin 9 and 22).  
Use the parts, connected to these pins, with high accuracy and small temperature characteristics.  
(The capacitance accuracy of 10% <film> is recommended.)  
3. Playback equalizer amplifier  
The playback equalizer amplifier characteristics are determined by the resistor connected between the IC  
internal resistor and PBFB (Pins 31 and 40) and the capacitor connected between PBFB and PBTC (Pins 1  
and 30). Use the parts which satisfies the accuracy required for the playback equalizer amplifier.  
4. Music sensor  
The resistance and capacitance connected to G2FB (Pin 11) and G1FB (Pin 12) determine the detection  
level and high-frequency cut-off.  
The response time is determined by the resistance and capacitance connected to MSTC (Pin 13).  
Use the parts which satisfies the accuracy required for the music sensor.  
– 15 –  

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