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 T2L 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

fCLK

0V TO 10V

1064-3 F03

0.1µF

0.1µF

5k

5k

V+/2

OUT C

NC

V–

fCLK

75/150

VOUT

NC

NC

VIN

AGND

V+

AGND

NC

INV A

VIN

VOUT

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

VOUT

–

+

LT1056

200pF

430pF

10k

4.99k

4.99k

50Ω

0.027µF

OUT C

NC

V–

fCLK

75/150

VOUT

NC

NC

VIN

AGND

V+

AGND

NC

INV A

VIN

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

VOUT

–

+

V–

V+

POWER SOURCE

10k

10k

1064-3 F01

RECOMMENDED OP AMPS:

LT1022, LT318, LT1056

V+/V–

NC

V–

fCLK

75/150

VOUT

NC

NC

VIN

AGND

V+

AGND

NC

INV A

OUT C

VIN

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–

fCLK

75/150

VOUT

NC

NC

VIN

AGND

V+

AGND

NC

INV A

VIN

VOUT

TYPICAL APPLICATIO S

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

T2L

LEVEL

V+

RATIO

OUT C

NC

V–

fCLK

75/150

VOUT

NC

NC

VIN

AGND

V+

AGND

NC

INV A

VIN

VOUT