參數(shù)資料
型號: TL441N
廠商: Texas Instruments, Inc.
元件分類: 運(yùn)動控制電子
英文描述: LOGARITHMIC AMPLIFIER
中文描述: 對數(shù)放大器
文件頁數(shù): 11/14頁
文件大?。?/td> 233K
代理商: TL441N
TL441AM
LOGARITHMIC AMPLIFIER
SLFS038 – JUNE 1976 – REVISED FEBRUARY 1989
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
O
10 – 4
10 –3
10 –2
Input Voltage
V
10 –1
101
1
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
Z
A1
A2
Y
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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