LTC1060CSW Linear Technology, LTC1060CSW Datasheet - Page 12

• Manufacturer Part Number: LTC1060CSW
• Description: IC FILTER BUILDING BLOCK 20-SOIC
• Manufacturer: Linear Technology

Specifications of LTC1060CSW

• Filter Type: Universal Switched Capacitor
• Frequency - Cutoff Or Center: 30kHz
• Number Of Filters: 2
• Max-order: 4th
• Voltage - Supply: ±2.37 V ~ 5 V
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC1060CS

W
LTC1060
Figure 6. Mode 1b: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
Figure 8. Mode 2: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
12
V
IN
V
ODES OF OPERATIO
IN
S
R1
f
H
V
0
A/B
6
0N1
–
=
H
S
R1
f
100(50)
V
0
A/B
0BP
6
(f
f
+
=
CLK
(17)
15
100(50)
4
= – R3/R1 ; H
f
0) = H
CLK
(17)
15
4
–
+
R5 + R6
0N2
–
+
R6
R3
R2
1 +
f
R4
R3
R2
0N1
R2
R4
; f
(f
n
f
; f
CLK
= f
2
n
=
0
0) =
; Q =
100(50)
3
= –
R6
f
CLK
1 + (R2 + R4)
N
3
R2
R1
1/2 LTC1060
R3
R2
+
–R2/R1
N
(18)
; H
1/2 LTC1060
; Q =
+
5
0LP
–
–
R5 + R6
5
S1A
(16)
R3
R2
=
–
–
R6
R6/(R5 + R6)
S1A
(16)
; H
–R2/R1
0N2
R5
1 +
= f
U
2
R2
R4
TLC1060 • MOO03
BP
(19)
2
; H
; H
TLC1060 • MOO05
0LP
BP
(19)
f
0BP
CLK
2
=
1
=
1 + (R2 + R4)
–
= – R2/R1
1
LP
(20)
R3
R1
–R2/R1
LP
(20)
; R5 < 5k
H
H
V
V
f
Figure 7. Mode 1c: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
0
Figure 9. Mode 2a: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
IN
0N1
0BP
IN
=
100(50)
(f
= – R3/R1 ; H
f
R1
S
R1
S
CLK
f
H
V
V
0
A/B
A/B
6
6
0N1
+
+
=
0) = –
100(50)
(f
f
CLK
(17)
(17)
15
15
4
4
R2
R1
1 +
0) = H
0LP
R2
R4
–
–
+
+
1 + (R2/R4) + [R6/(R5 + R6)]
1 +
0N2
=
+
R4
R3
R2
R3
R2
1 + (R2/R4) + [R6/(R5 + R6)]
R5 + R6
R5 + R6
f
1 + R6/(R5 + R6)
R6
R6
f
CLK
; f
2
; f
n
–R2/R1
n
=
= f
= –
3
3
100(50)
R6
0
f
R6
N
(18)
N
(18)
CLK
; Q =
1/2 LTC1060
1/2 LTC1060
R2
R1
+
+
; H
R3
R2
5
5
0BP
–
–
–
–
S1A
(16)
S1A
(16)
1 +
= –
; H
1 +
0N2
R5 + R6
R3
R1
R6
R5
R5 + R6
; H
f
R5
R6
0LP
2
2
TLC1060 • MOO06
TLC1060 • MOO04
; Q =
f
CLK
=
BP
(19)
BP
(19)
2
;
1 + R6/(R5 + R6)
R3
R2
= – R2/R1
–R2/R1
1
1
LP
(20)
LP
(20)
1 +
R2
R4
+
; R5 < 5k
R5 + R6
1060fb
R6