5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

100MHzMax

CLK

3.3Vpp

AIN-

EXT VCM

AIN+

0805

EXT REF

TO CPLD

FROM CPLD

0402

WP

PROG

0402

BUSY

RD

SDO

SCK

CNV

DB17

DB16

REF / SEL

DC590

EXT VOCM

0402

0805

0805

SHDN

PWR ON

REF

GND

2.0

18

LTC2380CMS-16

0.25

-E

*

LTC2376CMS-16

16

18

U8

-H

0.25

-A

16

LTC2376CMS-18

BITS

0.5

-D

LTC2377CMS-18

0.5

MSPS

-G

ASSY

16

LTC2377CMS-16

18

1.0

-C

1.6

LTC2378CMS-18

18

1.0

-F

LTC2378CMS-16

16

-B

6.3V

1206

1206

1. ALL RESISTORS ARE IN OHMS, 0603.

ALL CAPACITORS ARE IN MICROFARADS, 0603.

NOTE: UNLESS OTHERWISE SPECIFIED

2. INSTALL SHUNTS AS SHOWN.

1206

*

LTC2379CMS-18

2

DEMO CIRCUIT1805A - A / H

12

LTC6362 DRIVING 18 - BIT SAR ADC

N/A

LTC6362CMS8

NC

ERJON Q.

10-14-11

SIZE

DATE:

IC NO.

REV.

SHEET

OF

TITLE:

APPROVALS

PCB DES.

APP ENG.

TECHNOLOGY

Fax:(408)434-0507

Milpitas, CA 95035

Phone: (408)432-1900

1630 McCarthy Blvd.

LTC Confidential-For Customer Use Only

CUSTOMER NOTICE

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SCHEMATIC

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

www.linear.com

ERJON Q.

PRODUCTION FAB

-

2

10-14-11

REVISION HISTORY

DESCRIPTION

DATE

APPROVED

ECO

REV

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

DB8

DB13

DB12

DB11

DB9

DB10

DB14

DB15

CLKOUT

CNVST_33

DB16

DB17

CLK

DC590_DETECT

SCK

SDO

BUSY

RD

SDO

SCK

CNV

CNV

+3.3V

+3.3V

+5V

+3.3V

+2.5V

+3.3V

+3.3V

+3.3V

9V-10V

+3.3V

+3.3V

9V-10V

+5V

R33

4.99k

R5

0

R16

OPT

C29

3900pF

NPO

R3

1k

C33

OPT

E9

J3

BNC

R10

0

R17

1k

C18

0.1uF

U1

NC7SZ04P5X

4

2

R26

1K

JP3

C13

OPT

C28

0.1uF

JP1

VOCM

REF

EXT

R25

OPT

R13

1K

R2

1k

C2

0.1uF

C7

0.1uF

E2

J1

BNC

C21

0.1uF

U4

NL17SZ74

4

6

7

8

GND

CLR

PR

VCC

R14

1K

C3

0.1uF

R20

1k

R9

33

R1

49.9

1206

J4

3201S-40G1

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

12

34

56

78

910

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

U2

NC7SVU04P5X

4

2

JP2

EN

C12

4.7uF

C27

3900pF

NPO

C23

OPT

6.3V

R30

1k

U3

LTC6655CHMS8-5

1

2

3

4

5

6

7

8

SHDN

VIN

GND

GND

GND

VOUT_S

VOUT_F

GND

R6

OPT

R18

35.7

R29

0

R22

2k

R23

0

U10

24LC024-I/ST

1

2

3

5

6

7

A0

A1

A2

SDA

SCL

WP

U9

LTC6362CMS8

R21

1k

R11

OPT

R32

4.99k

R15

1K

C20

0.1uF

JP4

C25

OPT

C31

OPT

C26

3900pF

NP0

C4

0.1uF

J2

BNC

R4

33

J5

HD2X7-079-MOLEX

1

2

3

4

5

6

7

8

9

10

11

12

13

14

R8

33

C30

OPT

U7

NC7SZ66P5X

1

2

4

A

B

OE

R7

33

C14

OPT

C5

10uf

R19

0

C15

0.1uF

E1

R31

4.99k

R27

1k

U6

NC7SZ04P5X

4

2

C11

10uF

6.3V

C32

OPT

C6

0.1uF

R24

OPT

C1

0.1uF

U5

NC7SVU04P5X

4

2

C24

0.01uF

C22

1uF

C10

0.1uF

C19

0.1uF

R28

35.7

C9

47uF

6.3V

U8

LTC23XXCMS

9

13

14

11

12

4

5

CNV

SCK

SDO

BUSY

ROL/SDI

IN+

IN-

R12

0

C16

0.1uF

C8

0.1uF

C17

10uF

6.3V