LTC1064-3CN Linear Technology, LTC1064-3CN Datasheet - Page 8

• Manufacturer Part Number: LTC1064-3CN
• Description: IC FILTR 8TH ORDR LOWPASS 14-DIP
• Manufacturer: Linear Technology

Specifications of LTC1064-3CN

• Filter Type: Bessel, Lowpass Switched Capacitor
• Frequency - Cutoff Or Center: 95kHz
• Number Of Filters: 1
• Max-order: 8th
• Voltage - Supply: ±2.375 V ~ 8 V
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC1064-3
TYPICAL APPLICATIO S
8
V
IN
V
+
= 15V
RECOMMENDED OP AMPS:
LT1022, LT318, LT1056
Figure 1. Buffering the Filter Output. The Buffer Op Amp
Should Not Share the LTC1064-3 Power Lines
Figure 3. 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
0.1µF
0.1µF
1
2
3
4
5
6
7
INV A
NC
V
AGND
V
AGND
NC
IN
+
LTC1064-3
5k
V
IN
5k
75/150
OUT C
V
f
OUT
CLK
NC
NC
V
–
V
+
14
13
12
11
10
9
8
/2
0.1µF
V
V
IN
+
V
1
2
3
4
5
6
7
+
/V
0.1µF
10k
NC
V
AGND
V
AGND
NC
INV A
–
IN
+
Figure 5. Adding an Output Buffer-Filter to Eliminate Any Clock
Feedthrough. Passband ±0.1dB to 50kHz, –3dB at 94kHz
LTC1064-3
0.1µF
U
1
2
3
4
5
6
7
75/150
OUT C
10k
–
+
V
NC
V
AGND
V
AGND
NC
INV A
f
OUT
CLK
IN
+
NC
NC
V
LTC1064-3
–
POWER SOURCE
V
14
13
12
11
10
9
8
+
0.1µF
0.1µF
75/150
OUT C
V
f
OUT
CLK
NC
NC
V
f
0V TO 10V
V
CLK
–
OUT
V
1064-3 F03
–
14
13
12
11
10
9
8
V
1064-3 F01
OUT
4.99k
V
V
+
–
/GND/V
0.1µF
1N5817
0.1µF
4.99k
–
430pF
V
V
+
+
5k
–
+
V
5k
V
IN
IN
Figure 2. Using Schottky Diodes to Protect
the IC from Power Supply Reversal
Figure 4. Level Shifting the Input T
for Single Supply Operation ≥6V
LT1056
200pF
0.1µF
10k
1
2
3
4
5
6
7
0.027µF
NC
V
AGND
V
AGND
NC
INV A
1
2
3
4
5
6
7
IN
+
50Ω
LTC1064-3
NC
V
AGND
V
AGND
NC
INV A
IN
+
LTC1064-3
75/150
OUT C
V
1064-3 F05
f
OUT
CLK
75/150
NC
NC
V
V
OUT C
OUT
V
–
f
OUT
CLK
NC
NC
V
14
13
12
11
10
9
8
–
14
13
12
11
10
9
8
RATIO
V
OUT
2
1N5817
V
5k
L Clock
+
V
2.2k
OUT
1µF
T
LEVEL
0.1µF
2
1064-3 F04
V
1064-3 F02
L
–
10643fa