OPA2227-EP_13 Datasheet, PDF (16/23 Pages) Texas Instruments – HIGH PRECISION, LOW NOISE OPERATIONAL AMPLIFIER

OPA2227-EP
SBOS594A – MARCH 2012 – REVISED NOVEMBER 2012
R₁
7.5kΩ
Bass Tone Control
R₂
50kΩ
3 ^CW 1
2
Midrange Tone Control
C₁
940pF
R₄
R₅
50kΩ
2.7kΩ
3 ^CW 1
V_IN
2
R₇
7.5kΩ
Treble Tone Control
R₈
50kΩ
3 ^CW 1
2
R₃
7.5kΩ
R₁₀
100kΩ
R₆
2.7kΩ
C₂
0.0047µF
R₉
7.5kΩ
C₃
680pF
www.ti.com
R₁₁
100kΩ
2
1
OPA2227
3
V_OUT
Figure 11. Three-Band ActiveTone Control (Bass, Midrange and Treble)
16
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