ltc1064-1csw-trpbf Linear Technology Corporation, ltc1064-1csw-trpbf Datasheet - Page 14

• Manufacturer Part Number: ltc1064-1csw-trpbf
• Description: Low Noise, Fast, Quad Universal Filter Building Block
• Manufacturer: Linear Technology Corporation

LTC1064
14
7.5V
TYPICAL APPLICATIO S
RESISTOR VALUES:
R11 = 19.1k
NOTE: FOR t
8th Order Clock-Sweepable Lowpass Elliptic Antialiasing Filter
0.1µF
CUTOFF
R
R
R
R
R43
R33
R23
R22
R32
R42
H1
H2
L1
L2
R21 = 10k
R22 = 10k
R23 = 11.3k
R24 = 15.4k
>15kHz, ADD A 5pF CAPACITOR ACROSS R41 AND R43
10
11
12
1
2
3
4
5
6
7
8
9
R31 = 13.7k
R32 = 23.7k
R33 = 84.5k
R34 = 15.2k
INV B
HPB/NB
BPB
LPB
SB
AGND
V
SA
LPA
BPA
HPA/NA
INV A
+
LTC1064
HPC/NC
R41 = 15.4k
R42 = 10.2k
R43 = 10k
R44 = 42.7k
50/100
INV C
INV D
HPD
BPC
LPD
BPD
LPC
CLK
U
SC
V
–
24
23
22
21
20
19
18
17
16
15
14
13
f
–7.5V
CLK
R
R
R
L1
L2
L3
≤ 2MHz
= 14k
= 26.7k
= 10k
R21
R31
R41
R44
R34
R24
R
R
L3
H3
R
R
R
H1
H2
H3
0.1µF
= 30.9k
= 76.8k
= 60.2k
R11
1064 TA13
V
V
–7.5V
IN
OUT
–105
–15
–30
–45
–60
–75
–90
0
0
8TH ORDER CLOCK-SWEEPABLE LOWPASS
ELLIPTIC ANTIALIASING FILTER MAINTAINS,
FOR 0.1Hz ≤ f
PASSBAND ERROR AND 72dB MIN STOPBAND
ATTENUATION AT 1.5 × f
TOTAL WIDEBAND NOISE = 150µV
THD = 70dB (0.03%) FOR V
f
AS LTC1064-1 WITH INTERNAL THIN FILM
RESISTORS
CLK
/f
10
CUTOFF
Amplitude Response
20
= 100:1. THIS FILTER AVAILABLE
CUTOFF
FREQUENCY (kHz)
30
≤ 20kHz, A ±0.1dB MAX
CUTOFF
40
IN
= 3V
50
RMS
RMS
,
,
60
1064 TA14
70
1064fb