Datasheet

BiQuad Structure
x(n) y(n)
b
0
b
1
S
b
2
a
1
a
2
M0012-02
z
–1
z
–1
Magnitude
Truncation
z
–1
z
–1
TAS5710
www.ti.com ............................................................................................................................................................................................... SLOS605 – JANUARY 2009
All biquads use a 2nd order IIR filter structure as shown below. Each biquad has 3 coefficients on the direct path
(b
0
,b
1
,b
2
) and 2 coefficients on feedback path (a
1
and a
2
) as shown in the diagram.
Figure 34. Biquad Filter
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