ML2111CIP View Datasheet(PDF) - Micro Linear Corporation
Part Name
Description
Manufacturer
ML2111CIP Datasheet PDF : 26 Pages
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ML2111
R4
R3
R2
R1
VIN
4 (17) +
N
S1A
3 (18) 5 (16)
+Σ
SA/B
6
15
BP
2 (19)
LP
1 (20)
f0
=
fCLK
100(50)
1+
R2
R4
;
fn
=
fCLK
100(50)
;
0 5 Q = R3
R2
1+
R2
R4
;HOLP
= -R2 / R1
1+ R2 / R4
;
1 6 0 5 HOBP
=
-R3
R1
;HON1
f
0
= -R2 / R1
1+ R2 / R4
;
HON2
f fCLK
2
= -R2
R1
V+
Figure 20. Mode 2: 2nd Order Filter Providing Notch, Bandpass, Lowpass
R4
R6
R5
f0
=
fCLK
100(50)
1+
R2
R4
+
R6
R5 + R6
;
HOBP
=
- R3 ;
R1
R3
R2
R1
VIN
4 (17) +
N
S1A
3 (18) 5 (16)
+Σ
BP
2 (19)
fn
=
fCLK
100(50)
1+
R6
R5 + R6
;HON2
f fCLK
2
= - R2 ;
R1
LP
1 (20)
Q = R3 1+ R2 + R6 ;
R2
R4 R5 + R6
1 6 %&' 0 5 0 5 ()* HON1 f 0
= - R2
R1
1+
1+ R6 / R5 + R6
R2 / R4 + R6 / R5 + R6
;
SA/B
6
15
0 5 0 5 HOLP
=
1+
-R2 / R1
R2 / R4 + R6 /
R5 + R6
V+
Figure 21. Mode 2a: 2nd Order Filter Providing Notch, Bandpass, Lowpass
R4
R6
R5
f0
=
fCLK
100(50)
R2 + R6 ;
R4 R5 + R6
R3
R2
R1
VIN
4 (17) +
N
S1A
3 (18) 5 (16)
+Σ
fn
=
fCLK
100(50)
R6 ;Q = R3
R5 + R6 R2
R2 + R6 ;
R4 R5 + R6
BP
LP
1 6 %&'0 5 0 5 ()* 2 (19)
1 (20)
HON1 f 0
= - R2
R1
R6 / R5 + R6
R2 / R4 + R6 / R5 + R6
;
HON2
f fCLK
2
=
-
R2
R1
;HOBP
=
-
R3 ;
R1
SA/B
6
15
V-
0 5 0 5 HOLP =
R2 / R4
-R2 / R1
+ R6 / R5 + R6
Figure 22. Mode 2b: 2nd Order Filter Providing Notch, Bandpass, Lowpass
17
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