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LTC1064CSW#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
LTC1064
13
1064fb
8th Order Chebyshev Lowpass Filter with a Passband
Ripple of 0.1dB and Cutoff Frequency up to 100kHz
TYPICAL APPLICATIO S
U
INV B
HPB/NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA/NA
INV A
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
INV C
HPC/NC
BPC
LPC
SC
V
–
CLK
50/100
LPD
BPD
HPD
INV D
LTC1064
R22
R32
R42
R23
R33
R43
R13
R14
R12
R44
R34
R24
R11
V
IN
5V TO 8V
0.1µF
–5V TO –8V
5V TO 8V
V
OUT
1064 TA11
R41
R31
R21
0.1µF
RESISTOR VALUES:
R11 = 100.86k R21 = 16.75k R31 = 23.6k R41 = 99.73k
R12 = 25.72k R22 = 20.93k R32 = 45.2k R42 = 25.52k
R13 = 16.61k R23 = 10.18k R33 = 68.15k R43 = 99.83k
R14 = 13.84k R24 = 11.52k R34 = 17.72k R44 = 25.42k
FOR f
CLK
> 3MHz, ADD C2 = 10pF ACROSS R42
C3 = 10pF ACROSS R43
C4 = 10pF ACROSS R44
WIDEBAND NOISE = 170µV
RMS
f
CLK
= 5MHz
Amplitude Response
INPUT FREQUENCY (Hz)
10k
GAIN (dB)
15
0
–15
–30
–45
–60
–75
–90
–105
100k 1M
1064 TA12
V
S
= ±8V
f
CLK
= 5MHz
PASSBAND RIPPLE = 0.1dB
LTC1064
14
1064fb
INV B
HPB/NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA/NA
INV A
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
INV C
HPC/NC
BPC
LPC
SC
V
–
CLK
50/100
LPD
BPD
HPD
INV D
LTC1064
R22
R32
R42
R21
R31
R41
R11
R
L2
R44
R34
R24
7.5V
0.1µF
–7.5V
–7.5V
V
OUT
V
IN
1064 TA13
R43
R33
R23
RESISTOR VALUES:
R11 = 19.1k R21 = 10k R31 = 13.7k R41 = 15.4k R
L1
= 14k R
H1
= 30.9k
R22 = 10k R32 = 23.7k R42 = 10.2k R
L2
= 26.7k R
H2
= 76.8k
R23 = 11.3k R33 = 84.5k R43 = 10k R
L3
= 10k R
H3
= 60.2k
R24 = 15.4k R34 = 15.2k R44 = 42.7k
NOTE: FOR t
CUTOFF
>15kHz, ADD A 5pF CAPACITOR ACROSS R41 AND R43
f
CLK
≤ 2MHz
R
L1
R
H1
R
H2
R
L3
R
H3
0.1µF
TYPICAL APPLICATIO S
U
FREQUENCY (kHz)
0
0
–15
–30
–45
–60
–75
–90
–105
30 50
1064 TA14
10 20
40 60 70
V
OUT
/V
IN
(dB)
8TH ORDER CLOCK-SWEEPABLE LOWPASS
ELLIPTIC ANTIALIASING FILTER MAINTAINS,
FOR 0.1Hz ≤ f
CUTOFF
≤ 20kHz, A ±0.1dB MAX
PASSBAND ERROR AND 72dB MIN STOPBAND
ATTENUATION AT 1.5 × f
CUTOFF
TOTAL WIDEBAND NOISE = 150µV
RMS
,
THD = 70dB (0.03%) FOR V
IN
= 3V
RMS
,
f
CLK
/f
CUTOFF
= 100:1. THIS FILTER AVAILABLE
AS LTC1064-1 WITH INTERNAL THIN FILM
RESISTORS
8th Order Clock-Sweepable Lowpass Elliptic Antialiasing Filter
Amplitude Response
LTC1064
15
1064fb
TYPICAL APPLICATIO S
U
INPUT FREQUENCY (Hz)
10k
GAIN (dB)
15
0
–15
–30
–45
–60
–75
–90
–105
100k 1M
1064 TA18
V
S
= ±8V
f
CLK
= 4.5MHz
f
CLK
= 50% DUTY CYCLE
f
–3dB
= 70kHz
INV B
HPB/NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA/NA
INV A
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
INV C
HPC/NC
BPC
LPC
SC
V
–
CLK
50/100
LPD
BPD
HPD
INV D
LTC1064
R21
R31
R41
R22
R32
R42
R12
R44
R34
R24
5V TO 8V
0.1µF
TO V
+
–5V TO –8V
TO R13
V
OUT
V
IN1
FROM
PIN 20
1064 TA17
R43
R33
R23
RESISTOR VALUES:
R11 = 34.8k R21 = 34.8k R31 = 14.3k R41 = 40.2k
R12 = 10.5k R22 = 45.3k R32 = 22.1k R42 = 39.2k
R13 = 12.7k R23 = 34.8k R33 = 24.3k R43 = 20k
R14 = 20k R24 = 34.8k R34 = 13.3k R44 = 20k
WIDEBAND NOISE = 70µV
RMS
f
CLK
≤7MHz
R14
R13
R11
0.1µF
INPUT FREQUENCY (Hz)
10k
GAIN (dB)
15
0
–15
–30
–45
–60
–75
–90
–105
100k 1M
1064 TA16
V
S
= ±8V
f
CLK
= 7MHz
INV B
HPB/NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA/NA
INV A
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
INV C
HPC/NC
BPC
LPC
SC
V
–
CLK
50/100
LPD
BPD
HPD
INV D
LTC1064
R22
R32
R42
R23
R33
R43
R13
R44
R34
R24
8V
0.1µF
8V
–8V
V
OUT1
V
OUT2
V
IN1
V
IN2
1064 TA15
R41
R31
R21
RESISTOR VALUES:
R11 = 14.3k R21 = 13k R31 = 7.5k R41 = 10k
R12 = 15.4k R22 = 15.4k R32 = 7.5k R42 = 10k
R13 = 3.92k R23 = 20k R33 = 27.4k R43 = 40k
R14 = 3.92k R24 = 20k R34 = 6.8k R44 = 10k
WIDEBAND NOISE = 64µV
RMS
7MHz
CLOCK
R14
R11
R12
0.1µF
Amplitude Response
Dual 4th Order Bessel Filter with 140kHz Cutoff Frequency
Amplitude Response
8th Order Linear Phase (Bessel) Filter with
f
CLK
=
65
f
–3dB
1
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LTC1064CSW#PBF

Mfr. #:
Buy LTC1064CSW#PBF
Manufacturer:
Analog Devices Inc.
Description:
Active Filter Quad 80kHz Switched Cap Filter
Lifecycle:
New from this manufacturer.
Delivery:
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