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NE572

更新时间： 2024-11-22 21:55:47
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
8页 127K
描述
Programmable analog compandor

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中文翻译

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NE572 数据手册

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Philips Semiconductors RF Communications Products  
Product specification  
Programmable analog compandor  
NE/SA572  
DESCRIPTION  
FEATURES  
PIN CONFIGURATION  
The NE572 is a dual-channel,  
1
D , N, F Packages  
• Independent control of attack and recovery  
high-performance gain control circuit in which  
either channel may be used for dynamic  
range compression or expansion. Each  
channel has a full-wave rectifier to detect the  
average value of input signal, a linearized,  
temperature-compensated variable gain cell  
(∆G) and a dynamic time constant buffer. The  
buffer permits independent control of  
dynamic attack and recovery time with  
minimum external components and improved  
low frequency gain control ripple distortion  
over previous compandors.  
time  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
V
TRACK TRIM A  
CC  
• Improved low frequency gain control ripple  
TRACK TRIM B  
RECOV. CAP A  
RECT. IN A  
• Complementary gain compression and  
RECOV. CAP B  
RECT. IN B  
expansion with external op amp  
ATTACK CAP A  
• Wide dynamic range—greater than 110dB  
• Temperature-compensated gain control  
• Low distortion gain cell  
∆G OUT A  
ATTACK CAP B  
∆G OUT B  
THD TRIM A  
∆G IN A  
THD TRIM B  
∆G IN B  
GND  
• Low noise—6µV typical  
• Wide supply voltage range—6V-22V  
The NE572 is intended for noise reduction in  
high-performance audio systems. It can also  
be used in a wide range of communication  
systems and video recording applications.  
NOTE:  
1. D package released in large SO (SOL) package  
only.  
• System level adjustable with external  
components  
APPLICATIONS  
• Dynamic noise reduction system  
• Voltage control amplifier  
• Stereo expandor  
• Automatic level control  
• High-level limiter  
• Low-level noise gate  
• State variable filter  
ORDERING INFORMATION  
DESCRIPTION  
TEMPERATURE RANGE  
ORDER CODE  
NE572D  
DWG #  
0005  
0406  
0005  
0582  
0406  
16-Pin Plastic Small Outline (SO)  
16-Pin Plastic Dual In-Line Package (DIP)  
16-Pin Plastic Small Outline (SO)  
16-Pin Ceramic Dual In-Line Package (Cerdip)  
16-Pin Plastic Dual In-Line Package (DIP)  
0 to +70°C  
0 to +70°C  
NE572N  
–40 to +85°C  
–40 to +85°C  
–40 to +85°C  
SA572D  
SA572F  
SA572N  
ABSOLUTE MAXIMUM RATINGS  
SYMBOL  
PARAMETER  
Supply voltage  
RATING  
UNIT  
V
22  
V
DC  
CC  
T
A
Operating temperature range  
NE572  
0 to +70  
–40 to +85  
500  
°C  
SA572  
P
D
Power dissipation  
mW  
2
October 7, 1987  
853-0813 90829  
12345678

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