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TL441AMFK PDF预览

TL441AMFK

更新时间： 2024-02-07 10:24:39
品牌 Logo 应用领域
德州仪器 - TI 模拟计算功能信号电路放大器
页数 文件大小 规格书
14页 234K
描述
LOGARITHMIC AMPLIFIER

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TL441AMFK 技术参数

生命周期：Obsolete零件包装代码：DIP
包装说明：DIP,针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.77
模拟集成电路 - 其他类型：LOG OR ANTILOG AMPLIFIER标称带宽：40 MHz
JESD-30 代码：R-PDIP-T16长度：19.304 mm
标称负供电电压 (Vsup)：-6 V功能数量：1
端子数量：16最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装形状：RECTANGULAR
封装形式：IN-LINE认证状态：Not Qualified
座面最大高度：5.08 mm标称供电电压 (Vsup)：6 V
表面贴装：NO技术：BIPOLAR
温度等级：COMMERCIAL端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
宽度：7.62 mmBase Number Matches：1

TL441AMFK 数据手册

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TL441AM  
LOGARITHMIC AMPLIFIER  
SLFS038 – JUNE 1976 – REVISED FEBRUARY 1989  
J PACKAGE  
(TOP VIEW)  
Excellent Dynamic Range  
Wide Bandwidth  
Built-In Temperature Compensation  
Log Linearity (30 dB Sections) . . . 1 dB Typ  
Wide Input Voltage Range  
NC  
C
C
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
A2  
V
V
B2  
CC –  
C
C
B2′  
A2′  
GND  
B1  
Z
Z
B2  
A1  
Y
Y
description  
This monolithic amplifier circuit contains four  
30-dB logarithmic stages. Gain in each stage is  
such that the output of each stage is proportional  
tothelogarithmoftheinputvoltageoverthe30-dB  
input voltage range. Each half of the circuit  
contains two of these 30-dB stages summed  
together in one differential output that is  
proportional to the sum of the logarithms of the  
input voltages of the two stages. The four stages  
may be interconnected to obtain a theoretical  
input voltage range of 120-dB. In practice, this  
permits the input voltage range to be typically  
greater than 80-dB with log linearity of ± 0.5-dB  
(see application data). Bandwidth is from dc to  
40 MHz.  
A2  
CC +  
FK PACKAGE  
(TOP VIEW)  
3
2
1
20 19  
18  
C
C
B2′  
4
5
6
7
8
A2′  
A1  
GND  
NC  
B1  
17  
16  
15  
14  
NC  
Y
Y
Z
9 10 11 12 13  
This circuit is useful in military weapons systems,  
broadband radar, and infrared reconnaissance  
systems. It serves for data compression and  
analog compensation. This logarithmic amplifier  
is used in log IF circuitry as well as video and log  
amplifiers. The TL441AM is characterized for  
operation over the full military temperature range  
of – 55°C to 125°C.  
NC — No internal connection  
functional block diagram (one half)  
Σ
A1  
(B1)  
Log  
–15 dB  
Log  
Y (Z)  
Y (Z)  
C
A2  
(C  
)
B2  
A2  
(B2)  
Log  
Log  
–15 dB  
C
A2′  
(C  
)
B2′  
Y
log A1 + log A2; Z log B1 + log B2  
where: A1, A2, B1, and B2 are in dBV, 0 dBV = 1 V.  
, C , C , and C are detector compensation inputs.  
C
A2 A2′ B2 B2′  
Copyright 1989, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...14

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