参数资料
型号: TL441CNSRE4
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: 4/20页
文件大小: 557K
代理商: TL441CNSRE4
TL441
LOGARITHMIC AMPLIFIER
SLVS328 – OCTOBER 2000
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
Output
V
oltage
V
10 – 4
10 –3
10 –2
10 –1
101
1
Input Voltage – V
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
TRANSFER CHARACTERISTICS
1 k
910
VCC + = 4 V
VCC – = – 4 V
5 k
1 k
910
100
15 k
2 k
2 k
20 k
2 k
Slope
5 k
Input
Output
Z
A1
A2
Y
B1
B2
TL441
5 k
Origin
100
+
+
+
VCC + = 4 V
VCC – = – 4 V
NOTES: A. Inputs are limited by reducing the supply voltages for the input amplifiers to
±4 V.
B. The gains of the input amplifiers are adjusted to achieve smooth transitions.
Figure 15. Logarithmic Amplifier With Input Voltage Range Greater Than 80 dB
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