LME49740_14 Datasheet, PDF (14/24 Pages) Texas Instruments – Quad High-Performance, High-Fidelity Audio Operational Amplifier

LME49740
SNAS377A – FEBRUARY 2007 – REVISED FEBRUARY 2008
C1
0.022 PF
R1
R2
10k
10k
V_I
C2
0.011 PF
+
1
4
LME49740
V_O
-
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Illustration is f₀ = 1 kHz
Figure 33. Second-Order Low-Pass Filter
(Butterworth)
R2
C1
C1
R2
R1
0.01 PF
R1
0.01 PF
-
-
-
R_G
1
4
LME49740
V_HP
1
4
LME49740
V_BP
1
4
LME49740
V_LP
V_IN
+
+
+
R0
R2
Figure 34. State Variable Filter
14
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