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参数资料
| 型号： | TL441CNSRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟运算功能 |
| 英文描述： | DUAL LOG OR ANTILOG AMPLIFIER, 40 MHz BAND WIDTH, PDSO16 |
| 封装： | GREEN, PLASTIC, SOP-16 |
| 文件页数： | 5/20页 |
| 文件大小： | 557K |
| 代理商： | TL441CNSRG4 |
TL441
LOGARITHMIC AMPLIFIER
SLVS328 – OCTOBER 2000
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Z
A1
A2
Y
B1
B2
TL441
A1
A2
Y
1/2
TL441
Input
A
Input
B
see
Note A
OUTPUT W
(see Note B)
RR
R
RR
R
+
–
+
–
+
–
+
–
+
–
NOTES: A. Connections shown are for multiplication. For division, Z and Z connections are reversed.
B. Output W may need to be amplified to give actual product or quotient of A and B.
C. R designates resistors of equal value, typically 2 k
to 10 k.
Multiplication: W = A
B log W = log A + log B, or W = a(logaA + logaB)
Division: W = A/B
log W = log A – log B, or W = a(logaA + logaB)
Figure 16. Multiplication or Division
Input
A
A1
A2
Y
1/2
TL441
Z
B1
B2
Output
W
1/2
TL441
RR
R
nR
R
nR
R
–
+
–
+
–
+
NOTE: R designates resistors of equal value, typically 2 k
to 10 k. The power to which the input variable is raised is fixed by setting nR.
Output W may need to be amplified to give the correct value.
Exponential: W = An
log W = n log A, or W = a(n loga A)
Figure 17. Raising a Variable to a Fixed Power
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL441-EP | 制造商:TI 制造商全称:Texas Instruments 功能描述:LOGARITHMIC AMPLIFIER |
| TL441MNSREP | 功能描述:对数放大器 Mil Enhance Logar Amp RoHS:否 制造商:Texas Instruments 通道数量:3 带宽:3 dB 共模抑制比（最小值）: 输入补偿电压:+/- 7 mV 输入电压范围（最大值）:5.5 V 工作电源电压:4.5 V to 5.5 V 电源电流:+/- 15 mA 工作温度范围:- 40 C to +85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-16 封装:Reel |
| TL441N | 制造商:TI 制造商全称:Texas Instruments 功能描述:LOGARITHMIC AMPLIFIER |
| TL442C | 制造商:TI 制造商全称:Texas Instruments 功能描述:Balanced mixers |
| TL442M | 制造商:TI 制造商全称:Texas Instruments 功能描述:Balanced mixers |
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