参数资料
型号: TL441CNSR
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: 20/20页
文件大小: 557K
代理商: TL441CNSR
TL441
LOGARITHMIC AMPLIFIER
SLVS328 – OCTOBER 2000
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
output levels
Differential-output-voltage levels are low, generally less than 0.6 V. As demonstrated in Figure 12, the output
swing and the slope of the output response can be adjusted by varying the gain by means of the slope control.
The coordinate origin also can be adjusted by positioning the offset of the output buffer.
circuits
Figures 12 through 19 show typical circuits using this logarithmic amplifier. Operational amplifiers not otherwise
designated are TLC271. For operation at higher frequencies, the TL592 is recommended instead of the
TLC271.
Output
V
oltage
V
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
– 0.2
10 – 4
10 –3
10 –2
10 –1
101
1
TYPICAL TRANSFER
CHARACTERISTICS
Adjusted for Increased
Slope and Offset
Adjusted For Minimum
Slope With Zero Offset
Input Voltage – V
Input
A1
A2
Y
1/2
TL441
Origin
Slope
Output
GND
+
+
Figure 12. Output Slope and Origin Adjustment
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相关代理商/技术参数
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TL441CNSRG4 功能描述:对数放大器 Logarithmic 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
TL441-EP 制造商:TI 制造商全称:Texas Instruments 功能描述:LOGARITHMIC AMPLIFIER
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TL441N 制造商:TI 制造商全称:Texas Instruments 功能描述:LOGARITHMIC AMPLIFIER