Datasheet

17
LTC1067/LTC1067-50
FREQUENCY (kHz)
12468
GAIN (dB)
10
1067 TA05c
1.00
0.75
0.50
0.25
0
–0.25
–0.50
–0.75
–1.00
–1.25
–1.50
20
C
IN1
= 1500pF – 5%
C
IN1
= 1500pF + 5%
C
IN1
= 1500pF
APPLICATIONS INFORMATION
WUU
U
Passband Gain Variation Due to C
IN
Frequency Response (f
CUTOFF
= 10kHz)
FREQUENCY (kHz)
1
GAIN (dB)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
10 100
1067 TA05b
1067 TA05a
LTC1067
V
+
NC
V
+
SA
LPA
BPA
HPA/NA
INV A
CLK
AGND
V
–
SB
LPB
BPB
HPB/NB
INV B
5V
V
IN
R
IN1
16.9k
C
IN1
1500pF
5%
R
IN2
22.6k
R32, 29.4k
R42, 47.5k
R22, 45.3k
R41, 20k
R31, 47.5k
R21, 22.6k
R
H1
, 118k
R
L1
, 24.3k
V
OUT
f
CLK
–5V
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
0.1µF
0.1µF
V
S
±5V 5V 3V
f
CUTOFF
20k 15k 10k 5k
C
IN1
750pF 1000pF 1500pF 3000pF
f
CLK
2MHz 1.5MHz 1MHz 500kHz
TYPICAL APPLICATIONS
U
5th Order Lowpass with Input RC (Fixed Frequency)
Figure 16. Silkscreen for the LTC1067/LTC1067-50 Demo Board