LTC6903/LTC6904

12

69034fa

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

© LINEAR TECHNOLOGY CORPORATION 2003

LT/TP 0404 1K REV A • PRINTED IN USA

RELATED PARTS

TYPICAL APPLICATIO

PART NUMBER

DESCRIPTION

COMMENTS

LTC1799

1kHz to 30MHz ThinSOT™ Oscillator

Single Output, Higher Frequency Operation

LTC6900

1kHz to 20MHz ThinSOT Oscillator

Single Output, Lower Power

LTC6902

Multiphase Oscillator with Spread Spectrum Modulation

2, 3 or 4-Phase Outputs

ThinSOT is a trademark of Linear Technology Corporation

MUX Inputs

Output

S2

S1

S0

n

Pulsewidth

0004

1005

0106

1107

0018

1019

0

1

1

10

1

1

1

11

U6

LTC6903

GND

SDI

SCK

SEN

1

2

3

4

TRIG

< TRIGGER PULSE WIDTH < OUTPUT PULSE WIDTH

SDI

SCK

SEN

8

7

6

5

OE

CLK

6903 TA02

CLK

74HC4040

PHILIPS

SEMICONDUCTOR

MUX SELECT ADDRESS LINES

7

5

2

13

Q8

9

10

11

5

2

8

8

16

16

6

3

4

14

1

Q12

12

15

Q1

MR

CLK

6

3

1

4

Q

Q

R

PS

CLK

D

Q2

Q3

Q4

Q5

Q6

Q7

Q9

Q10

Q11

74HC251

PHILIPS

SEMICONDUCTOR

74HC74-B

PHILIPS

SEMICONDUCTOR

3

1

14

12

S0

4

2

15

13

10

7

11

9

D1

Y

Y

D2

D0

D3

D4

D5

D6

D7

S1

S2

OE

C3

0.1

µF

V

+

C1

0.1

µF

C2

0.1

µF

9

12

8

11

6

5

74HC74-A

PHILIPS SEMICONDUCTOR

13

10

Q

R

PS

CLK

D

Q

1

OUTPUT

PULSE

WIDTH

=

U4

U5

U1

S1

S0

S2

Wide Range Time Interval Generator (1.97 Seconds to 4 Microseconds)