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AN7354

更新时间: 2024-02-08 16:20:15
品牌 Logo 应用领域
松下 - PANASONIC /
页数 文件大小 规格书
12页 124K
描述
Dolby B/C-type Noise Reduction

AN7354 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SSOP包装说明:0.450 INCH, PLASTIC, SSOP-42
针数:42Reach Compliance Code:unknown
风险等级:5.92商用集成电路类型:DOLBY NOISE REDUCTION IC
杜比水平规范:570 mV杜比类型:B AND C
谐波失真:0.13%JESD-30 代码:R-PDSO-G42
JESD-609代码:e0长度:21.25 mm
信道数量:2功能数量:1
端子数量:42最高工作温度:75 °C
最低工作温度:-20 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SOP42,.45,40
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
播放/录制模式:PLAYBACK AND RECORD电源:+-6 V
认证状态:Not Qualified座面最大高度:2.4 mm
子类别:Noise Suppression ICs最大压摆率:20 mA
最大供电电压 (Vsup):6.5 V最小供电电压 (Vsup):4.5 V
表面贴装:YES技术:BIPOLAR
温度等级:COMMERCIAL EXTENDED端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1 mm
端子位置:DUAL宽度:9.5 mm
Base Number Matches:1

AN7354 数据手册

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ICs for Cassette, Cassette Deck  
AN7354SC  
Dolby* B/C-type Noise Reduction  
Overview  
Unit : mm  
The AN7354SC is an IC for 2 ch. Dolby B/C-Type noise  
reduction process. It requires fewer external parts and  
incorporates the functions of line-output muting and level  
detection and the delay circuit.  
1
42  
Features  
Built-in spectral skewing circuit not requiring external  
parts  
Line-output muting circuit built-in  
PB input delay circuit built-in  
Built-in level detection circuit for automatic level adjust-  
ment and level meter  
21  
22  
ON/OFF of NR, B-/C-type, REC./PB, MPX and muting  
function, and Hi/Lo changeover of level detection gain,  
directly-controllable by microcomputer  
0.3  
9.5±0.3  
11.5±0.3  
*
Dolby symbols are the trademarks of Dolby Laboratory  
Licensing Corporation. The use of this products  
requires the approval of Dolby Laboratories Licensing  
Corporation in advance.  
42-Lead SSOP Package (SSOP042-P-0450)  
Block Diagram  
MPX METER  
OFF/ 0dB  
LEVEL  
5.6kΩ  
REC.  
IN  
PB  
REC.  
/PB  
METER  
OUT  
LINE  
OUT  
0.1µF  
+
VCC  
IN  
ON /20dB  
REC. OUT  
1500pF  
1500pF  
24  
1500pF  
1µF  
2.2µF  
MPX  
2.4kΩ  
100kΩ  
+
1µF  
1µF  
+
+
+
+
25  
+
23  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
22  
Mute  
Delay  
Rect  
SS  
SS  
HLS  
HLS  
LLS  
LOGIC  
Bias  
LLS  
Rect  
Delay  
5
Mute  
1
2
3
4
6
7
2.4kΩ  
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
+
1µF  
+
1µF  
+
+
+
+
0.1µF  
22kΩ  
100kΩ  
1µF  
MPX  
5.6kΩ  
1500pF  
1500pF  
1500pF  
+
PB  
IN  
REC.  
IN  
VEE  
NR  
ON/  
OFF  
REC. OUT  
LINE  
OUT  
C/B  
-type  
Mute  
ON/OFF  
LEVEL  
METER  
OUT  
2.2µF  

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