Datasheet

TL441
LOGARITHMIC AMPLIFIER
SLVS328 – OCTOBER 2000
10
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
Output Voltage – V
Input Voltage – V
Input
B1
B2
1/2
TL441
Output
Z
Z
2 kΩ, 1% 2 kΩ, 1%
2 kΩ, 1%
2 kΩ, 1%
GND
0.4
0.3
0.2
0.1
0
0.001
0.01
0.1
1
10
TRANSFER CHARACTERISTICS
OF TWO TYPICAL INPUT STAGES
20 kΩ
+
–
Figure 13. Utilization of Separate Stages