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LTC1064CSW#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
LTC1064
1
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
10k
18.25k
10.7k
10k
12.1k
17.4k
R
H2
102k
13k
66.5k
R
L2
26.7k
41.2k
12.7k
14k
121k
10k
22.1k
V
IN
8V
(FROM
R
H2
, R
L2
)
5MHz
0.1µF
0.1µF
–8V
PIN 12
V
OUT
1064 TA01
8V
10k
49.9K
11.5K
FOR f
CLK
= 5MHz, ADD C1 = 10pF BETWEEN PINS 4, 1
C2 = 10pF BETWEEN PINS 21, 24
C3 = 27pF BETWEEN PINS 9, 12
WIDEBAND NOISE ≅ 140µV
RMS
■
Anti-Aliasing Filters
■
Wide Frequency Range Tracking Filters
■
Spectral Analysis
■
Loop Filters
■
Four Filters in a 0.3 Inch Wide Package
■
Maximum Center Frequency: 140kHz
■
Customized Version with Internal Resistors
Available
■
One Half the Noise of the LTC1059/LTC1060/
LTC1061 Devices
■
Maximum Clock Frequency: 7MHz
■
Clock-to-Center Frequency Ratio of 50:1 and 100:1
Simultaneously Available
■
Power Supplies: ±2.375V to ±8V
■
Low Offsets
■
Low Harmonic Distortion
■
Available in 24-Pin DIP and SO Wide Packages
The LTC
®
1064 consists of four high speed, low noise
switched-capacitor filter building blocks. Each filter build-
ing block, together with an external clock and three to five
resistors can provide various 2nd order functions like
lowpass, highpass, bandpass and notch. The center fre-
quency of each 2nd order function can be tuned with an
external clock, or a clock and resistor ratio. For Q ≤ 5, the
center frequency range is from 0.1Hz to 100kHz. For Q ≤
3, the center frequency range can be extended to 140kHz.
Up to 8th order filters can be realized by cascading all four
2nd order sections. Any classical filter realization (such as
Butterworth, Cauer, Bessel and Chebyshev) can be formed.
A customized monolithic version of the LTC1064 includ-
ing internal thin film resistors can be obtained for high
volume applications. Consult LTC Marketing for details.
APPLICATIO S
U
TYPICAL APPLICATIO
U
DESCRIPTIO
U
FEATURES
Low Noise, Fast, Quad
Universal Filter Building Block
Gain vs Frequency
Clock-Tunable 8th Order Cauer Lowpass Filter with f
CUTOFF
up to 100kHz
INPUT FREQUENCY (Hz)
1k
GAIN (dB)
10k 100k 1M
1064 TA02
0
–15
–30
–45
–60
–75
–90
–105
–120
–135
f
CLK
= 5MHz
RIPPLE = ±0.1dB
f
CLK
= 1MHz
RIPPLE = ±0.05dB
, LTC and LT are registered trademarks of Linear Technology Corporation.
LTCMOS is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
LTC1064
2
1064fb
Total Supply Voltage (V
+
to V
–
) ............................. 16V
Power Dissipation............................................. 500mW
Operating Temperature Range
LTC1064AC/LTC1064C.................... – 40°C to 85°C
LTC1064AM
LTC1064M (OBSOLETE) ............... – 55°C to 125°C
ELECTRICAL CHARACTERISTICS
(Internal Op Amps) The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25°C.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
PACKAGE/ORDER I FOR ATIO
UUW
SW PACKAGE
24-LEAD PLASTIC SO WIDE
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
24
23
22
21
20
19
18
17
16
15
14
13
INV B
HPB/NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA/NA
INV A
INV C
HPC/NC
BPC
LPC
SC
V
–
CLK
50/100
LPD
BPD
HPD
INV D
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
24
23
22
21
20
19
18
17
16
15
14
13
INV B
HPB/NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA/NA
INV A
INV C
HPC/NC
BPC
LPC
SC
V
–
CLK
50/100
LPD
BPD
HPD
INV D
N PACKAGE
24-LEAD PLASTIC DIP
PARAMETER CONDITIONS MIN TYP MAX UNITS
Operating Supply Voltage Range ±2.375 ±8V
Voltage Swings V
S
= ±5V, R
L
= 5k ±3.2 ±3.6 V
● ±3.1 V
Output Short-Circuit Current (Source/Sink) V
S
= ±5V 3 mA
DC Open-Loop Gain V
S
= ±5V, R
L
= 5k 80 dB
GBW Product V
S
= ±5V 7 MHz
Slew Rate V
S
= ±5V 10 V/µs
ABSOLUTE AXI U RATI GS
W
WW
U
(Note 1)
T
JMAX
= 110°C, θ
JA
= 65°C/W
LTC1064ACN
LTC1064CN
LTC1064CSW
ORDER PART
NUMBER
ORDER PART
NUMBER
T
JMAX
= 100°C, θ
JA
= 85°C/ W
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
LTC1064ACJ
LTC1064CJ
LTC1064AMJ
LTC1064MJ
J PACKAGE 24-LEAD CERAMIC DIP
T
JMAX
= 150°C, θ
JA
= 100°C/W
OBSOLETE PACKAGE
Consider the 24-Lead N Package as an Alternate Source
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
LTC1064
3
1064fb
ELECTRICAL CHARACTERISTICS
(Complete Filter) The ● denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at V
S
= ±5V, T
A
= 25°C, TTL clock input level, unless otherwise specified.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Center Frequency Range, f
O
V
S
= ±8V, Q ≤ 3 0.1 to 140 kHz
Input Frequency Range 0 to 1 MHz
Clock-to-Center Frequency LTC1064 f
CLK
= 1MHz, f
O
= 20kHz, Pin 17 High 50 ± 0.3 %
Ratio, f
CLK
/f
O
LTC1064A (Note 2) Sides A, B, C: Mode 1, ● 50 ± 0.8 %
R1 = R3 = 5k, R2 = 5k, Q = 10,
Sides D: Mode 3, R1 = R3 = 50k
● 50 ± 0.9 %
R2 = R4 = 5k
LTC1064 Same as Above, Pin 17 Low, f
CLK
= 1MHz 100 ± 0.3 %
LTC1064A (Note 2) f
O
= 10kHz
Sides A, B, C
● 100 ± 0.8 %
Side D ● 100 ± 0.9
Clock-to-Center Frequency LTC1064 f
CLK
= 1MHz 0.4 %
Ratio, Side-to-Side Matching LTC1064A (Note 2) ● 1%
Clock-to-Center Frequency LTC1064 f
CLK
= 4MHz, f
O
= 80kHz, Pin 17 High 50 ± 0.6 %
Ratio, f
CLK
/f
O
(Note 3) LTC1064A (Note 2) Sides A, B, C: Mode 1, V
S
= ±7.5V 50 ± 1.3 %
R1 = R3 = 50k, R2 = 5k, Q = 5
Side D: Mode 3, R1 = R3 = 50k
R2 = R4 = 5k, f
CLK
= 4MHz
LTC1064 Same as Above, Pin 17 Low 100 ± 0.6 %
LTC1064 A (Note 2) f
CLK
= 4MHz, f
O
= 40kHz 100 ± 1.3 %
Q Accuracy Sides A, B, C: Mode 1, Q = 10
● ±26 %
Side D: Mode 3, f
CLK
= 1MHz ● ±38 %
f
O
Temperature Coefficient Mode 1, 50:1, f
CLK
< 2MHz ±1 ppm/°C
Q Temperature Coefficient Mode 1, 100:1, f
CLK
< 2MHz ±5 ppm/°C
Mode 3, f
CLK
< 2MHz ±5 ppm/°C
DC Offset Voltage V
OS1
(Table 1) f
CLK
= 1MHz, 50:1 or 100:1 ● 215 mV
V
OS2
(Table 1) f
CLK
= 1MHz, 50:1 or 100:1 ● 345 mV
V
OS3
(Table 1) f
CLK
= 1MHz, 50:1 or 100:1 ● 345 mV
Clock Feedthrough f
CLK
< 1MHz 0.2 mV
RMS
Maximum Clock Frequency Mode 1, Q < 5, V
S
≥ ±5V 7 MHz
Power Supply Current 91223 mA
● 26 mA
V
OSN
V
OSBP
V
OSLP
MODE PINS 2, 11, 14, 23 PINS 3, 10, 15, 22 PINS 4, 9, 16, 21
1V
OS1
[(1/Q) + 1 + ⏐⏐ H
OLP
⏐⏐ ] – V
OS3
/Q V
OS3
V
OSN
– V
OS2
1b V
OS1
[(1/Q) + 1 + (R2/R1)] – V
OS3
/Q V
OS3
~(V
OSN
– V
OS2
)[1 + (R5/R6)]
2V
OS1
[(1 + (R2/R1) + (R2/R3) + (R2/R4) – V
OS3
(R2/R3)] V
OS3
V
OSN
– V
OS2
× [R4/(R2 + R4)] + V
OS2
[R2/(R2 + R4)]
3V
OS2
V
OS3
V
OS1
[1 + (R4/R1) + (R4/R2) + (R4/R3)]
– V
OS2
(R4/R2) – V
OS3
(R4/R3)
Table 1. Output DC Offsets, One 2nd Order Section
Note 2: Contact LTC Marketing.
Note 3: Not tested, guaranteed by design.
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.
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