LTC1264CS Linear Technology, LTC1264CS Datasheet - Page 13

• Manufacturer Part Number: LTC1264CS
• Description: High Speed/ Quad Universal Filter Building Block
• Manufacturer: Linear Technology

BANDPASS IN
TYPICAL
NOTCH IN
Clock-Tunable, f
7.5V
IN 1
IN 2
8V
LTC1264 SIDE
Linear Phase Clock-Tunable to 400kHz, Dual 4th Order Lowpass Filter
MODE
R1
R1
R1
R2
R3
R4
C
R1
R1
0.1 F
A
CENTER
PPLICATI
0.1 F
17.8k
27.4k
19.6k
51.1k
5pF
R3
R2
R2
R3
B
2
C
R3
R2
R4
R4
R2
R3
C
C
= f
27.4k
20k
21k
75k
5pF
C
2
CLK
LTC1264 SIDE
/20, 100kHz, 4th Order Bandpass and Notch Filters
MODE
INV B
HPB/NB
BPB
LPB
SB
AGND
V
SA
LPA
BPA
HPA/NA
INV A
INV B
HPB/NB
BPB
LPB
SB
AGND
V
SA
LPA
BPA
HPA/NA
INV A
17.8k
27.4k
19.6k
51.1k
R1
R2
R3
+
5pF
+
C
A
2
O
LTC1264
LTC1264
27.4k
R1
U
R1
20k
21k
75k
5pF
R1
R1
D
2
S
20k
10k
20k
HPD/ND
HPC/NC
HPD/ND
HPC/NC
B
1
INV C
INV D
INV D
INV C
BPD
T
BPC
LPD
LPC
CLK
BPC
LPD
BPD
LPC
CLK
A
SC
SD
V
SD
SC
V
–
–
20k
10k
20k
2MHz
3MHz
4MHz
5MHz
50 C
f
C
1
CLK
f
10pF
CLK
10k
10k
20k
A
1
f
2MHz
CLK
R2
R3
R4
R3
R4
R2
R3
R2
R3
R2
f
10pF
–3dB
C
10k
10k
20k
C
C
D
1
125kHz
200kHz
275kHz
400kHz
(V
S
0.1 F
= 8V)
0.1 F
1264 TA04a
OUT 1
OUT 2
BANDPASS OUT
NOTCH OUT
– 7.5V
1264 TA05a
–8V
–10
–20
–30
–40
–50
–60
–70
–80
–10
–20
–30
–40
–50
–60
–70
–80
10
0
0
10k
10k
V
f
CLK
S
= ±7.5V
= 2MHz
Gain vs Frequency
Gain vs Frequency
FREQUENCY (Hz)
FREQUENCY (Hz)
100k
100k
LTC1264
13
1264 TA04b
1264 TA05b
1M
1M