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| LME49740_14 Datasheet, PDF (18/24 Pages) Texas Instruments – Quad High-Performance, High-Fidelity Audio Operational Amplifier | |||
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LME49740
SNAS377A â FEBRUARY 2007 â REVISED FEBRUARY 2008
A. See Table 1.
3k
VI
CUT 20k BOOST
C2
R2
C1
+
1
4
LME49740
R1
-
f01
f02
+
f03
1
4
LME49740
VO
f04
-
f05
3k
f06
f07
f08
f09
f010
Figure 41. 10-Band Graphic Equalizer
fo (Hz)
32
64
125
250
500
1k
2k
4k
8k
16k
Table 1. C1, C2, R1, and R2 Values for Figure 41(1)
C1
0.12μF
C2
4.7μF
R1
75kΩ
0.056μF
3.3μF
68kΩ
0.033μF
1.5μF
62kΩ
0.015μF
0.82μF
68kΩ
8200pF
0.39μF
62kΩ
3900pF
0.22μF
68kΩ
2000pF
0.1μF
68kΩ
1100pF
0.056μF
62kΩ
510pF
0.022μF
68kΩ
330pF
0.012μF
51kΩ
(1) At volume of change = ±12 dB Q = 1.7
www.ti.com
R2
500Ω
510Ω
510Ω
470Ω
470Ω
470Ω
470Ω
470Ω
510Ω
510Ω
18
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