LTC1064-4CSW#TRPBF Linear Technology, LTC1064-4CSW#TRPBF Datasheet - Page 8
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LTC1064-4CSW#TRPBF
Manufacturer Part Number
LTC1064-4CSW#TRPBF
Description
IC FILTR 8TH ORDR LOWPASS 16SOIC
Manufacturer
Linear Technology
Datasheet
1.LTC1064-4CSWPBF.pdf
(12 pages)
Specifications of LTC1064-4CSW#TRPBF
Filter Type
Cauer, Lowpass Switched Capacitor
Frequency - Cutoff Or Center
100kHz
Number Of Filters
1
Max-order
8th
Voltage - Supply
±2.375 V ~ 8 V
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.5mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LTC1064-4
TYPICAL APPLICATIO S
8
1N5817
1N5817
0.1µF
V
V
+
+
V
Figure 1. Using Schottky Diodes to Protect
the IC from Power Supply Spikes
Figure 3. Level Shifting the Input T
for Single Supply Operation ≥6V.
IN
V
IN
0.1µF
5k
5k
1
2
3
4
5
6
7
1
2
3
4
5
6
7
INV A
INV C
V
AGND
V
AGND
COMP1*
0.1µF
IN
+
INV C
V
AGND
V
AGND
COMP1*
INV A
V
IN
+
LTC1064-4
V
IN
LTC1064-4
+
Figure 5. Adding an Output Buffer-Filter to Eliminate Any Clock Feedthrough.
Passband Error of Output Buffer is ±0.1dB to 50kHz, –3dB at 94kHz.
COMP2*
COMP2*
50/100
R(h, I)
50/100
V
R(h, I)
f
1064-4 F01
OUT
V
CLK
NC
f
V
OUT
CLK
NC
V
–
–
14
13
12
11
10
9
8
U
14
13
12
11
10
9
8
1
2
3
4
5
6
7
INV C
V
AGND
V
AGND
COMP1*
INV A
V
IN
+
+
/V
LTC1064-4
–
2
L Clock
1N5817
5k
COMP2*
V
+
50/100
R(h, I)
2.2k
V
V
f
OUT
CLK
OUT
V
NC
V
1µF
OUT
–
14
13
12
11
10
9
8
T
LEVEL
0.1µF
V
V
2
1064-4 F03
+
L
–
/V
4.99k
–
V
V
–
IN
0.1µF
V
RECOMMENDED OP AMPS:
LT1022, LT318, LT1056
430pF
4.99k
+
= 15V
Figure 2. Single Supply Operation. If Fast Power Up or Down
Transients are Expected, Use a 1N5817 Schottky Diode
Between Pin 4 and Pin 5.
0.1µF
Figure 4. Buffering the Filter Output. The Buffer Op Amp
Should Not Share the LTC1064-4 Power Lines.
1
2
3
4
5
6
7
–
+
0.1µF
0.1µF
INV A
INV C
V
AGND
V
AGND
COMP1*
LT1056
IN
+
200pF
LTC1064-4
10k
5k
COMP2*
50/100
R(h, I)
5k
V
f
OUT
CLK
NC
V
–
14
13
12
11
10
9
8
V
50Ω
IN
1N5817
V
+
/V
V
+
–
/2
10k
1064-4 F05
0.027µF
V
OUT
1
2
3
4
5
6
7
0.1µF
INV C
V
AGND
V
AGND
COMP1*
INV A
IN
+
LTC1064-4
10k
–
+
4
COMP2*
POWER SOURCE
V
50/100
R(h, I)
+
1064-4 F02
V
0.1µF
f
OUT
CLK
NC
0.1µF
V
–
8
14
13
12
11
10
9
8
0V TO 10V
V
–
V
V
10644fb
1064-4 F04
OUT
OUT