LTC1068IG Linear Technology, LTC1068IG Datasheet - Page 23

• Manufacturer Part Number: LTC1068IG
• Description: IC FILTR BUILDNG BLK QUAD 28SSOP
• Manufacturer: Linear Technology

Specifications of LTC1068IG

• Filter Type: Universal Switched Capacitor
• Frequency - Cutoff Or Center: 50kHz
• Number Of Filters: 4
• Max-order: 8th
• Voltage - Supply: 3.14 V ~ 11 V, ±3.14 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL APPLICATIONS
Passband – 3dB at (0.7)(f
V
LTC1068 8th Order Linear Phase Bandpass, f
Burst Response, Maximum f
IN
R11
11k
5V
14.7k
14.3k
R21
R31
R41
10k
21.5k
11.3k
R43
R23
R33
21k
0.1µF
FilterCAD Custom Inputs for f
2nd ORDER SECTION
CENTER
10
11
12
1
2
3
4
5
6
7
8
9
INV B
HPB/NB
BPB
LPB
SB
AGND
V
SA
LPA
BPA
HPA/NA
INV A
+
348k
95.3k
) and (1.3)(f
R
R
CENTER
L1
H3
LTC1068
B
C
A
D
U
HPD/ND
R
11k
HPC/NC
H1
12.4k
= 60kHz with ±5V Supplies
INV D
INV C
R
BPD
BPC
LPC
f
LPD
L3
CLK
SD
SC
V
–
CENTER
24
23
22
21
20
19
18
17
16
15
14
13
10.1389
12.4097
f
1MHz
9.8654
9.8830
O
CENTER
), Superior Sinewave
(kHz)
C
15.4k
17.8k
R44
R34
R24
10k
V
= 10kHz
OUT
R
10k
18.2k
18.7k
R22
R32
R42
L2
10k
= f
0.1µF
CLK
0.7087
0.5540
0.5434
1.5264
200k
–5V
R
H2
/100,
1068 TA19
Q
24-Lead Package
44.7214
27.7227
f
1.7779
N
(kHz)
Q
N
–10
–20
–30
–40
–50
–60
–70
–80
–90
10
0
1
TYPE
HPN
LPN
LPN
BP
Gain vs Frequency
FREQUENCY (kHz)
LTC1068 Series
MODE
3a
3a
3a
3
10
1068 TA20
100
23
1068fb