TL441-EP_14 Datasheet, PDF (10/19 Pages) Texas Instruments – LOGARITHMIC AMPLIFIER

TL441ĆEP
LOGARITHMIC AMPLIFIER
SGLS268 − OCTOBER 2004
TRANSFER CHARACTERISTICS of TWO
TYPICAL INPUT STAGES
0.4
0.3
0.2
0.1
Input
0
0.001
0.01
0.1
1
10
Input Voltage − V
2 kΩ, 1%
B1
Z
2 kΩ, 1%
1/2
TL441
B2 _GND Z
20 kΩ
2 kΩ, 1%
+
−
2 kΩ, 1%
Output
Figure 12. Utilization of Separate Stages
10
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