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LOG100JP

更新时间： 2024-01-21 07:45:19
品牌 Logo 应用领域
BB 模拟计算功能信号电路放大器
页数 文件大小 规格书
9页 126K
描述
Precision LOGARITHMIC AND LOG RATIO AMPLIFIER

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中文翻译

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LOG100JP 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：DIP
包装说明：DIP, DIP14,.3针数：14
Reach Compliance Code：not_compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.8模拟集成电路 - 其他类型：LOG OR ANTILOG AMPLIFIER
标称带宽：0.045 MHzJESD-30 代码：R-CDIP-T14
长度：20.065 mm负电源电压最大值（Vsup）：-18 V
负电源电压最小值（Vsup）：-12 V标称负供电电压 (Vsup)：-15 V
功能数量：1端子数量：14
最高工作温度：85 °C最低工作温度：-25 °C
封装主体材料：CERAMIC, METAL-SEALED COFIRED封装代码：DIP
封装等效代码：DIP14,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：+-15 V认证状态：Not Qualified
座面最大高度：5.46 mm子类别：Analog Computational Functions
最大供电电流 (Isup)：9 mA最大供电电压 (Vsup)：18 V
最小供电电压 (Vsup)：12 V标称供电电压 (Vsup)：15 V
表面贴装：NO温度等级：OTHER
端子形式：THROUGH-HOLE端子节距：2.54 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7.62 mmBase Number Matches：1

LOG100JP 数据手册

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®
LOG100  
Precision  
LOGARITHMIC AND LOG RATIO AMPLIFIER  
FEATURES  
APPLICATIONS  
● ACCURACY  
● LOG, LOG RATIO AND ANTILOG  
0.37% FSO max Total Error  
Over 5 Decades  
COMPUTATIONS  
● ABSORBANCE MEASUREMENTS  
● DATA COMPRESSION  
● LINEARITY  
0.1% max Log Conformity  
Over 5 Decades  
● OPTICAL DENSITY MEASUREMENTS  
● DATA LINEARIZATION  
● EASY TO USE  
● CURRENT AND VOLTAGE INPUTS  
Pin-selectable Gains  
Internal Laser-trimmed Resistors  
● WIDE INPUT DYNAMIC RANGE  
6 Decades, 1nA to 1mA  
● HERMETIC CERAMIC DIP  
resistors. The resistors are laser-trimmed for maxi-  
mum precision. FET input transistors are used for the  
amplifiers whose low bias currents (1pA typical) per-  
mit signal currents as low as 1nA while maintaining  
guaranteed total errors of 0.37% FSO maximum.  
DESCRIPTION  
The LOG100 uses advanced integrated circuit tech-  
nologies to achieve high accuracy, ease of use, low  
cost, and small size. It is the logical choice for your  
logarithmic-type computations. The amplifier has guar-  
anteed maximum error specifications over the full six-  
decade input range (1nA to 1mA) and for all possible  
combinations of I1 and I2. Total error is guaranteed so  
that involved error computations are not necessary.  
Because scaling resistors are self-contained, scale  
factors of 1V, 3V or 5V per decade are obtained  
simply by pin selections. No other resistors are re-  
quired for log ratio applications. The LOG100 will  
meet its guaranteed accuracy with no user trimming.  
Provisions are made for simple adjustments of scale  
factor, offset voltage, and bias current if enhanced  
performance is desired.  
The circuit uses a specially designed compatible thin-  
film monolithic integrated circuit which contains am-  
plifiers, logging transistors, and low drift thin-film  
Q1  
Q2  
9
1
–VCC  
I1  
7
A2  
VOUT  
3
A1  
K = 1  
4
K = 3  
14  
6
7.5kΩ  
5
I2  
K = 5  
24kΩ  
39kΩ  
+VCC  
Com  
270Ω  
220Ω  
Scale  
Factor  
Trim  
I1  
I2  
10  
VOUT = K LOG  
2
Resistor values nominal only;  
laser-trimmed for precision gain.  
International Airport Industrial Park  
•
Mailing Address: PO Box 11400  
Cable: BBRCORP  
•
Tucson, AZ 85734  
•
Street Address: 6730 S. Tucson Blvd.  
• Tucson, AZ 85706  
Tel: (520) 746-1111 Twx: 910-952-1111  
•
•
•
Telex: 066-6491  
•
FAX: (520) 889-1510  
•
Immediate Product Info: (800) 548-6132  
© 1981 Burr-Brown Corporation  
PDS-437E  
Printed in U.S.A. January, 1995  
1234567...9

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