Datasheet

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