Datasheet

11
LTC1060
1060fb
Table 4. Modes of Operation: 2nd Order Functions
MODE PIN 1 (20) PIN 2 (19) PIN 3 (18) f
0
f
n
1LPBPNotch
f
CLK
100(50)
1a LP BP BP
f
CLK
100(50)
1b LP BP Notch
1c LP BP Notch
2LPBPNotch
f
CLK
100(50)
2a LP BP Notch
2b LP BP Notch
3LPBPHP
3a LP BP Notch
4LPBPAP
f
CLK
100(50)
4a LP BP AP
5LPBPCZ
Figure 4. Mode 1: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
Figure 5. Mode 1a: 2nd Order Filter Providing
Bandpass, Lowpass
1/2 LTC1060
S
A/B
V
IN
f
0
=; f
n
= f
0
; H
OLP
=; H
ON1
= – ; Q =; H
OBP
= –
f
CLK
100(50)
TLC1060 • MOO01
1
–
+
–
–
+
R1
R3
R2
N
(18)
LP
(20)
BP
(19)
S1A
(16)
V
+
(17)
R2
R1
R3
R1
R3
R2
R2
R1
15
4
3 5
2
Σ
6
∫∫
1/2 LTC1060
S
A/B
V
IN
f
0
=; Q =; H
OBP1
= – ; H
OBP2
= 1(NON-INVERTING) H
OLP
= – 1
f
CLK
100(50)
TLC1060 • MOO02
1
–
+
–
–
+
R3
R2
BP2
(18)
LP
(20)
BP1
(19)
S1A
(16)
V
+
(17)
R3
R2
R3
R2
15
4
3 5
2
Σ
6
∫
∫
•
f
CLK
100(50)
R6
R5 + R6
•
f
CLK
100(50)
R6
R5 + R6
•1 +
f
CLK
100(50)
R6
R5 + R6
•1 +
f
CLK
100(50)
R6
R5 + R6
•1 +
f
CLK
100(50)
R2
R4
•1 +
f
CLK
100(50)
R6
R5 + R6
•1 + +
f
CLK
100(50)
R2
R4
R6
R5 + R6
•+
f
CLK
100(50)
R2
R4
R6
R5 + R6
•
f
CLK
100(50)
R6
R5 + R6
•
f
CLK
100(50)
R2
R4
•
f
CLK
100(50)
R2
R4
•
f
CLK
100(50)
R
h
R
I
•
f
CLK
100(50)
R2
R4
•1 +
f
CLK
100(50)
R2
R4
•1 –
f
CLK
100(50)
R1
R4
ODES OF OPERATIO
UW