LTC1060 Просмотр технического описания (PDF) - Linear Technology
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LTC1060 Datasheet PDF : 20 Pages
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LTC1060
ODES OF OPERATIO
Table 4. Modes of Operation: 2nd Order Functions
MODE
1
PIN 1 (20)
LP
PIN 2 (19)
BP
PIN 3 (18)
Notch
1a
LP
BP
BP
1b
LP
BP
Notch
1c
LP
BP
Notch
2
LP
BP
Notch
2a
LP
BP
Notch
2b
LP
BP
Notch
3
LP
BP
HP
3a
LP
BP
Notch
4
LP
BP
AP
4a
LP
BP
AP
5
LP
BP
CZ
f0
fCLK
100(50)
fCLK
100(50)
fCLK •
R6
100(50) R5 + R6
fCLK • 1 + R6
100(50)
R5 + R6
fCLK • 1 + R2
100(50)
R4
fCLK • 1 + R2 + R6
100(50)
R4 R5 + R6
fCLK •
100(50)
fCLK
100(50)
•
R2
R4
+
R6
R5 + R6
R2
R4
fCLK
100(50)
•
R2
R4
fCLK
100(50)
fCLK
100(50)
•
R2
R4
fCLK
100(50)
•
1 + R2
R4
fn
fCLK •
R6
100(50) R5 + R6
fCLK •
100(50)
fCLK
100(50)
1 + R6
R5 + R6
fCLK • 1 + R6
100(50)
R5 + R6
fCLK •
R6
100(50) R5 + R6
fCLK • Rh
100(50) RI
fCLK
100(50)
•
1 – R1
R4
R3
R2
R1
VIN
4–
(17)
+
N
S1A
3 (18) 5 (16)
+–
Σ∫
–
2
BP
(19)
1
LP
(20)
∫
SA/B
6 15
1/2 LTC1060
TLC1060 • MOO01
V+
f0
=
fCLK
100(50)
;
fn
=
f0
;
HOLP
=
R2
R1
;
HOBP
=
–
R3
R1
;
HON1
=
–
R2 ; Q =
R1
R3
R2
Figure 4. Mode 1: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
R3
R2
4–
(17)
+
VIN
3
BP2
(18)
5
S1A
(16)
–
+Σ ∫
–
2
BP1
(19)
1
LP
(20)
∫
SA/B
6 15
1/2 LTC1060
TLC1060 • MOO02
V+
f0
= fCLK
100(50)
;
Q
=
R3
R2
;
HOBP1
=
–
R3
R2
;
HOBP2
=
1(NON-INVERTING)
HOLP
=
–
1
Figure 5. Mode 1a: 2nd Order Filter Providing
Bandpass, Lowpass
1060fb
11
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