DC1996A-A Datasheet DC1996A-A, DC1996A-B, DC1996A-C | P7-P9

7

dc1996afb

DEMO MANUAL DC1996A

SCHEMATIC DIAGRAMS

5

4

3

2

1

D

C

B

A

200MHz MAX

CLK

2.5VPP

AIN1+

0V - 4.096V

1. ALL RESISTORS ARE IN OHMS, 0603.

ALL CAPACITORS ARE IN MICROFARADS, 0603

NOTES: UNLESS OTHERWISE SPECIFIED

Msps

5A

ASSY

*

U1

LTC2323CUFD-16

BITS

16

AIN1-

0V - 4.096V

MODE

DIFF

UNI

BIP

AIN2-

0V - 4.096V

MODE

AIN2+

0V - 4.096V

DIFF

UNI

BIP

B

C

LTC2321CUFD-16

LTC2321CUFD-14D

LTC2323CUFD-14

R67

1k OPT

COUPLING

ADD 20 MIL SQUARE

PAD OPENING ON

TOP SOLDER MASK

LAYER ON THESE

CONNETIONS.

16

14

2

5

R68

OPT 1k

R73 R74

1k OPT

E

F LTC2321CUFD-12

LTC2323CUFD-12 12

12

5

2

1k OPT OPT 1k

VCM_BIAS_1

VREF_1

VCM_BIAS_1

VCM_BIAS_2

VREF_2

VCM_BIAS_2

AIN2+

AIN2-

AIN1-

AIN1+

REFOUT2

REFOUT1

VREF_2

VCM_BIAS_2VCM_BIAS_1

VREF_1

VCCIO VCCIO VCCIO

VCCIO

V+

V-

V+

V-

VCCIOVCCIO VDD

V+

V-

+9V/+10V+9V/+10V

V+

V-

+3V

CSB

CLKOUT+

CLKOUT-

SDO2+

SDO2-

SCK+

SCK-

SDO1+

SDO1-

CLKIN

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

3

DEMO CIRCUIT 1996A

04/01/2014, 12:58 PM

1

2

KIM T.

DOUG S.

TRUE DIFFERENTIAL INPUT DUAL ADC

LTC232XCUFD FAMILY

B

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

3

DEMO CIRCUIT 1996A

04/01/2014, 12:58 PM

1

2

KIM T.

DOUG S.

TRUE DIFFERENTIAL INPUT DUAL ADC

LTC232XCUFD FAMILY

B

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

3

DEMO CIRCUIT 1996A

04/01/2014, 12:58 PM

1

2

KIM T.

DOUG S.

TRUE DIFFERENTIAL INPUT DUAL ADC

LTC232XCUFD FAMILY

B

REVISION HISTORY

DESCRIPTION DATEAPPROVEDECO REV

DOUG S.PRODUCTION

2

04-01-14

REVISION HISTORY

DESCRIPTION DATEAPPROVEDECO REV

DOUG S.PRODUCTION

2

04-01-14

REVISION HISTORY

DESCRIPTION DATEAPPROVEDECO REV

DOUG S.PRODUCTION

2

04-01-14

JP9

AC DC

-IN1

JP9

AC DC

-IN1

1

3

2

C129

0.1uF

C129

0.1uF

R18

49.9

R18

49.9

R33

49.9

R33

49.9

C54

10uF

C54

10uF

JP4

AC DC

-IN2

JP4

AC DC

-IN2

1

3

2

C11

0.1uF

C11

0.1uF

J1J1

U3

NC7SZ04P5X

U3

NC7SZ04P5X

4

53

2

C45

1uF

C45

1uF

C19

0.1uF

C19

0.1uF

R52

1k

R52

1k

C53

10uF

6.3V

C53

10uF

6.3V

R13

0 0402

R13

0 0402

C35

OPT

C35

OPT

R25

OPT

R25

OPT

JP1

AC DC

+IN2

JP1

AC DC

+IN2

1

3

2

+

-

U5B

LT1819CMS8

+

-

U5B

LT1819CMS8

5

6

7

84

R51

1k

R51

1k

R30

0

R30

0

U7

NC7SZ04P5X

U7

NC7SZ04P5X

4

53

2

C39

1uF

C39

1uF

C28

10uF

6.3V

C28

10uF

6.3V

C51

0.1uF

C51

0.1uF

+

-

U4B

LT1819CMS8

+

-

U4B

LT1819CMS8

5

6

7

8 4

+

-

U5A

LT1819CMS8

+

-

U5A

LT1819CMS8

3

2

1

8 4

C29 0.1uFC29 0.1uF

C10

OPT

C10

OPT

R16

0 0402

R16

0 0402

C25

10uF

C25

10uF

C30

10uF

6.3V

C30

10uF

6.3V

R31

0

R31

0

C5

0.1uF

C5

0.1uF

C43

1uF

C43

1uF

J2J2

R22

OPT

R22

OPT

U6

NL17SZ74

U6

NL17SZ74

CP

1

CLR

6

PR

7

D

2

Q

3

Q

5

VCC

8

GND

4

R8

49.9

R8

49.9

C23

0.1uF

C23

0.1uF

C32

1uF

C32

1uF

R10

1k

R10

1k

C56

4.7uF

C56

4.7uF

R54

OPT

R54

OPT

R53

0

R53

0

Y1

CB3LV

Y1

CB3LV

EOH

1

VCC

4

GND

2

OUT

3

JP6

EXT

ADC

CM1

JP6

EXT

ADC

CM1

1

3

2

C34

10uF

6.3V

C34

10uF

6.3V

C12

200pF

NP0

C12

200pF

NP0

R15

301

R15

301

C6

10uF

6.3V

C6

10uF

6.3V

C7

OPT

C7

OPT

R35 0R35 0

C9 0.1uFC9 0.1uF

C8

OPT

C8

OPT

R11 OPTR11 OPT

R2

1k

R2

1k

C2

0.1uF

C2

0.1uF

C130

0.1uF

C130

0.1uF

R43

0 0402

R43

0 0402

R1

1k

R1

1k

+

-

U21

LT6202CS5

+

-

U21

LT6202CS5

3

4

1

52

R7

OPT

R7

OPT

C22

0.1uF

C22

0.1uF

R19

150

R19

150

C20

10uF

6.3V

C20

10uF

6.3V

J5J5

C26

10uF

6.3V

C26

10uF

6.3V

C13

0.1uF

C13

0.1uF

C14

OPT

C14

OPT

C47

10uF

6.3V

C47

10uF

6.3V

C21

10uF

6.3V

C21

10uF

6.3V

JP3

LVDS

CMOS

DATA OUT

JP3

LVDS

CMOS

DATA OUT

1

3

2

+

-

U10

LT6202CS5

+

-

U10

LT6202CS5

3

4

1

52

R50

OPT

R50

OPT

C24

10uF

6.3V

C24

10uF

6.3V

R29

OPT

R29

OPT

JP8

HD2X3-100

JP8

HD2X3-100

1

3

5 6

4

2

R14

301

R14

301

C27

OPT

C27

OPT

U9

LTC6655BHMS8-4.096

U9

LTC6655BHMS8-4.096

SHDN

1

VIN

2

GND

3

GND

4

GND

5

VOUT_S

6

VOUT_F

7

GND

8

E2

EXT_CM2

E2

EXT_CM2

R9

49.9

1206

R9

49.9

1206

R32

OPT

R32

OPT

R5

0

R5

0

C36

OPT

C36

OPT

R44

49.9

R44

49.9

J3J3

R12 0R12 0

R21

1k

R21

1k

C3

10uF

6.3V

C3

10uF

6.3V

C17

10uF

6.3V

C17

10uF

6.3V

C48

10uF

6.3V

C48

10uF

6.3V

R45

150

R45

150

C15

1uF

C15

1uF

JP2

HD2X3-100

JP2

HD2X3-100

1

3

5 6

4

2

C1

0.1uF

C1

0.1uF

R121

10k

R121

10k

U1

*

QFN28UFD-4X5

U1

*

QFN28UFD-4X5

GND

4

GND

5

AIN1-

6

AIN1+

7

VDD2

8

CNVL

9

GND

10

REFRTN1

11

REFOUT1

12

VBYP1

13

OVDD

14

SDO1+

15

SDO1-

16

SCK+

21

SCK-

22

GND

23

VBYP2

24

LVDS

25

REFOUT2

26

REFRTN2

27

REFBG

28

GND

29

CLKOUT+

17

CLKOUT-

18

SDO2-

20

SDO2+

19

VDD1

1

AIN2+

2

AIN2-

3

C4 0.1uFC4 0.1uF

C52

0.1uF

C52

0.1uF

R46

1k

R46

1k

R28

OPT

R28

OPT

R27

1k

R27

1k

C31 4.7uFC31 4.7uF

R3

OPT

R3

OPT

C49

10uF

6.3V

C49

10uF

6.3V

R20

33

R20

33

E1

EXT_CM1

E1

EXT_CM1

C59

0.1uF

C59

0.1uF

R23

OPT

R23

OPT

C18

0.1uF

C18

0.1uF

C33 4.7uFC33 4.7uF

R41

301

R41

301

C58

0.1uF

C58

0.1uF

R39

0

R39

0

R49

OPT

R49

OPT

R24

0

R24

0

C42

2.2uF

C42

2.2uF

C38

1uF

C38

1uF

R122

100

R122

100

R34 OPTR34 OPT

JP7

EXT

ADC

CM2

JP7

EXT

ADC

CM2

1

3

2

JP5

AC DC

+IN1

JP5

AC DC

+IN1

1

3

2

J4J4

C55

4.7uF

C55

4.7uF

C16

10uF

6.3V

C16

10uF

6.3V

C44

2.2uF

C44

2.2uF

R48

1k

R48

1k

R123

OPT

R123

OPT

R42

301

R42

301

C40

OPT

C40

OPT

C46

OPT

C46

OPT

U2

NC7SZ04P5X

U2

NC7SZ04P5X

4

53

2

C57

10uF

6.3V

C57

10uF

6.3V

C41

200pF

NP0

C41

200pF

NP0

C37 0.1uFC37 0.1uF

R37

OPT

R37

OPT

C50

10uF

6.3V

C50

10uF

6.3V

U8

LTC6655BHMS8-4.096

U8

LTC6655BHMS8-4.096

SHDN

1

VIN

2

GND

3

GND

4

GND

5

VOUT_S

6

VOUT_F

7

GND

8

R40

0

R40

0

R6

0

R6

0

R38

0 0402

R38

0 0402

R4

33

R4

33

JP13

ON

OFF

OSC

JP13

ON

OFF

OSC

1

3

2

R17

33

R17

33

C60

OPT

C60

OPT

R36

OPT

R36

OPT

+

-

U4A

LT1819CMS8

+

-

U4A

LT1819CMS8

3

2

1

84

R47

1k

R47

1k

C61

10uF

6.3V

C61

10uF

6.3V

8

dc1996afb

DEMO MANUAL DC1996A

SCHEMATIC DIAGRAMS

5

4

3

2

1

D

C

B

A

-9V/-10V

V-

+9V/+10V

VCCIO

2.5V

1.8V

VCCIO

GND

+2.5V

+1.2V

VCCINT

+3V

V+

VDD

5V

3.3V

VDD

-9V/-10V

+9V/+10V

VCCIO

+2.5V

V-

+1.2V

+3V

V+

VDD

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

3

DEMO CIRCUIT 1996A

04/01/2014, 01:00 PM

2

KIM T.

DOUG S.

TRUE DIFFERENTIAL INPUT DUAL ADC

LTC232XCUFD-16/-14 FAMILY

B

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

3

DEMO CIRCUIT 1996A

04/01/2014, 01:00 PM

2

KIM T.

DOUG S.

TRUE DIFFERENTIAL INPUT DUAL ADC

LTC232XCUFD-16/-14 FAMILY

B

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

3

DEMO CIRCUIT 1996A

04/01/2014, 01:00 PM

2

KIM T.

DOUG S.

TRUE DIFFERENTIAL INPUT DUAL ADC

LTC232XCUFD-16/-14 FAMILY

B

E4E4

E3E3

U12

LT1964ES5-SD

U12

LT1964ES5-SD

ADJ

4

OUT

5

GND

1

IN

2

SHDN

3

R66

1k

R66

1k

U14

LT1763CS8

U14

LT1763CS8

OUT

1

SEN

2

GND

3

BYP

4

SHDN

5

GND

6

GND

7

IN

8

R62

3.09k

R62

3.09k

C71

1uF

16V

C71

1uF

16V

E8E8

E9E9

C67

1uF

16V

C67

1uF

16V

C65

1uF

16V

C65

1uF

16V

E5E5

C68

1uF

16V

C68

1uF

16V

C73

10uF

10V

0805

C73

10uF

10V

0805

R59

499

R59

499

R61

866

R61

866

C75

0.01uF

C75

0.01uF

R63

4.02k

R63

4.02k

JP10JP10

1

3

2

E10E10

C79

10uF

6.3V

C79

10uF

6.3V

C69

0.01uF

C69

0.01uF

C70

10uF

6.3V

C70

10uF

6.3V

C64

10uF

0805

10V

C64

10uF

0805

10V

R57

1k

R57

1k

E11E11

C76

10uF

6.3V

C76

10uF

6.3V

U13

LT1763CS8

U13

LT1763CS8

OUT

1

SEN

2

GND

3

BYP

4

SHDN

5

GND

6

GND

7

IN

8

U11

LT1763CS8

U11

LT1763CS8

OUT

1

SEN

2

GND

3

BYP

4

SHDN

5

GND

6

GND

7

IN

8

C66

10uF

10V

0805

C66

10uF

10V

0805

C81

10uF

6.3V

C81

10uF

6.3V

C74

1uF

16V

C74

1uF

16V

E6E6

R65

1.43k

R65

1.43k

U16

LT1763CS8-2.5

U16

LT1763CS8-2.5

OUT

1

SEN

2

GND

3

BYP

4

SHDN

5

GND

6

GND

7

IN

8

R56

3.92k

R56

3.92k

E7E7

C78

0.01uF

C78

0.01uF

C63

0.01uF

C63

0.01uF

E12E12

U17

LT3021ES8-1.2

U17

LT3021ES8-1.2

OUT

2

SEN

3

AGND

4

SHDN

5

GND

6

IN

8

JP11JP11

1

3

2

R60

1k

R60

1k

R64

1k

R64

1k

C77

1uF

16V

C77

1uF

16V

R58

1k

R58

1k

C62

47uF

1210

16V

C62

47uF

1210

16V

U15

LT1763CS8

U15

LT1763CS8

OUT

1

SEN

2

GND

3

BYP

4

SHDN

5

GND

6

GND

7

IN

8

C72

0.01uF

C72

0.01uF

C80

3.3uF

16V

C80

3.3uF

16V

R55

3.92k

R55

3.92k

9

dc1996afb

DEMO MANUAL DC1996A

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-

tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.

SCHEMATIC DIAGRAMS

5

4

3

2

1

D

C

B

A

1. ALL RESISTORS AND CAPACITORS ON THIS PAGE ARE 0402.

NOTES: UNLESS OTHERWISE SPECIFIED

2. SEE ASSEMBLY TABLE ON PAGE 1 FOR R67, R68, R73, AND R74 VALUES.

JTAG

FPGA

PROGRAM

DA0

VCCD_PLL

TDI

TMS

TCK

TDO

TCK

TDO

TMS

TDI

NCE

DA1

DA2

DA3

DA4

DA5

DA6

DA7

DA8

DA9

DA10

DA11

DA12

DA13

DA14

CNVCLK

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

DB8

DB9

DB10

DB11

DB12

DB13

DB14

DB12

DB13

DB14

CNVCLK

DA0

DA1

DA2 DA3

DA4

DA5

DA6

DA7

DA8

DA9

DA12

DA13

DA14

DB0

DA10

DA11

DB1

DB2

DB3

DB4

DB5

DB6

DB7

DB8

DB9

DB10

DB11

DB15

DA15

DB15

DA15

VCCIO

+1.2V

+2.5V

+1.2V

VCCIO

+3V +3V +3V +3V

+3V

+2.5V

VCCIO

+3V

VCCIO

+3V +3V

CLKIN

CSB

SDO1-

SDO1+

SDO2-

SDO2+

CLKOUT+

CLKOUT-

SCK-

SCK+

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

3

DEMO CIRCUIT 1996A

04/01/2014, 12:59 PM

3

2

KIM T.

DOUG S.

TRUE DIFFERENTIAL INPUT DUAL ADC

LTC232XCUFD-16/-14 FAMILY

B

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

3

DEMO CIRCUIT 1996A

04/01/2014, 12:59 PM

3

2

KIM T.

DOUG S.

TRUE DIFFERENTIAL INPUT DUAL ADC

LTC232XCUFD-16/-14 FAMILY

B

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

3

DEMO CIRCUIT 1996A

04/01/2014, 12:59 PM

3

2

KIM T.

DOUG S.

TRUE DIFFERENTIAL INPUT DUAL ADC

LTC232XCUFD-16/-14 FAMILY

B

33R103 33R103

C115

10pF

C115

10pF

U19

EPCS4SI8

U19

EPCS4SI8

ASDI

5

VCC

8

NCS

1

DATA

2

VCC

3

GND

4

VCC

7

DCLK

6

C113

4.7nF

C113

4.7nF

C128

4.7nF

C128

4.7nF

R73

*

R73

*

C123

0.1uF

C123

0.1uF

33R101 33R101

C125

0.1uF

C125

0.1uF

EEPROM

ARRAY

U20

24LC024-I /ST

EEPROM

ARRAY

U20

24LC024-I /ST

SDA

5

VCC

8

A0

1

A1

2

A2

3

GND

4

WP

7

SCL

6

C94

0.1uF

C94

0.1uF

R107

4.99k

0603

R107

4.99k

0603

C110

22nF

C110

22nF

33R85 33R85

R106

4.99k

0603

R106

4.99k

0603

33R91 33R91

R114

10k

R114

10k

C117

10pF

C117

10pF

33R90 33R90

33R84 33R84

BANK3

U18D

CYCLONE3-EP3C5E144

BANK3

U18D

CYCLONE3-EP3C5E144

IO1_DIFFIOB1P

38

IO2_DIFFIOB1N

39

IO3

42

IO4

43

IO5

44

IO6_VREF3

46

IO7_DIFFIOB9P

49

IO8_DIFFIOB9N

50

IO9

51

IO10_DIFFIOB11P

52

IO11_DIFFIOB11N

53

C114

10pF

C114

10pF

C103

0.1uF

C103

0.1uF

33R88 33R88

33R98 33R98

33R104 33R104

C104

0.1uF

C104

0.1uF

33R87 33R87

R75

OPT

R75

OPT

JP12

PROG

WP

EEPROM

JP12

PROG

WP

EEPROM

1

3

2

D3

BAT54WS

D3

BAT54WS

12

C102

0.1uF

C102

0.1uF

33R89 33R89

C119

4.7uF

0603

C119

4.7uF

0603

33R96 33R96

33R102 33R102

D4

BAT54WS

D4

BAT54WS

12

R111

10k

R111

10k

D1

BAT54WS

D1

BAT54WS

12

C101

0.1uF

C101

0.1uF

33R86 33R86

CONFIG

U18J

CYCLONE3-EP3C5E144

CONFIG

U18J

CYCLONE3-EP3C5E144

IO1_DATA1

6

IO2_FLASH_NCE

8

N_STATUS

9

DCLK

12

IO3_DATA0

13

NCONFIG

14

TDI

15

TCK

16

TMS

18

TDO

20

NCE

21

IO4_DEV_OE

86

IO5_DEV_CLRN

87

CONF_DONE

92

MSEL0

94

MSEL1

96

MSEL2

97

IO6_INIT_DONE

98

IO7_CRC_ERROR

99

IO8_NCEO

101

IO9_CLKUSR

103

33R69 33R69

33R94 33R94

C98

0.1uF

C98

0.1uF

R118

1k

R118

1k

C100

0.1uF

C100

0.1uF

P1

EDGE-CON-100

P1

EDGE-CON-100

2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

38

40

42

44

46

48

50

52

54

56

58

60

62

64

66

68

70

72

74

76

78

80

82

84

86

88

90

92

94

96

98

100

1

3

5

7

9

11

13

15

17

19

21

23

25

27

29

31

33

35

37

39

41

43

45

47

49

51

53

55

57

59

61

63

65

67

69

71

73

75

77

79

81

83

85

87

89

91

93

95

97

99

C120

0.01uF

C120

0.01uF

C95

0.1uF

C95

0.1uF

R105

4.99k

0603

R105

4.99k

0603

33R70 33R70

R116

10k

R116

10k

C99

0.1uF

C99

0.1uF

BANK1

U18B

CYCLONE3-EP3C5E144

BANK1

U18B

CYCLONE3-EP3C5E144

IO1

1

IO2

2

IO3

3

IO4

4

IO5_VREF1

7

IO6_DIFFL4P

10

IO7_DIFFL4N

11

CLK0

22

CLK1

23

L1

BLM31PG391SN1L

L1

BLM31PG391SN1L

R76

OPT

R76

OPT

33R119 33R119

R115

10k

R115

10k

R99

OPT

R99

OPT

C90

0.1uF

C90

0.1uF

33R78 33R78

R74

*

R74

*

BANK8

U18I

CYCLONE3-EP3C5E144

BANK8

U18I

CYCLONE3-EP3C5E144

IO1_DIFFIOT11N

128

IO2_DIFFIOT11P

129

IO3_DIFFIOT10N

132

IO4_DIFFIOT10P

133

IO5

135

IO6_VREF8

136

IO7

137

IO8

138

IO9

141

IO10

142

IO11_DIFFIOT01N

143

IO12_DIFFIOT01P

144

C82

0.1uF

0603

C82

0.1uF

0603

33R71 33R71

33R120 33R120

C122

0.1uF

C122

0.1uF

+

C118

470uF

7343

+

C118

470uF

7343

BANK6

U18G

CYCLONE3-EP3C5E144

BANK6

U18G

CYCLONE3-EP3C5E144

CLK5_DIFFCLK2N

90

CLK4_DIFFCLK2P

91

IO1

100

IO2

104

IO3_VREF6

105

IO4

106

C89

0.1uF

C89

0.1uF

C121

0.01uF

C121

0.01uF

C108

0.1uF

C108

0.1uF

C124

0.1uF

C124

0.1uF

R109

10k

R109

10k

C127

2.2nF

C127

2.2nF

R112

10k

R112

10k

33R83 33R83

33R92 33R92

D2

BAT54WS

D2

BAT54WS

12

C107

0.01uF

C107

0.01uF

R26

OPT

R26

OPT

C116

10pF

C116

10pF

C126

0.1uF

C126

0.1uF

33R72 33R72

33R82 33R82

33R81 33R81

C96

0.1uF

C96

0.1uF

33R80 33R80

PWR

U18A

CYCLONE3-EP3C5E144

PWR

U18A

CYCLONE3-EP3C5E144

GND

19

GND

27

GNDA1

36

GND

41

GND

48

GND

57

GND

63

GND

82

GND

95

GNDA2

108

GND

118

GND

123

GND

131

GND

140

GND

145

VCCINT

5

VCCINT

29

VCCINT

45

VCCINT

61

VCCINT

78

VCCINT

102

VCCINT

116

VCCINT

134

VCCIO1

17

VCCIO2

26

VCCIO3

40

VCCIO3

47

VCCIO4

56

VCCIO4

62

VCCIO5

81

VCCIO6

93

VCCIO7

117

VCCIO7

122

VCCIO8

130

VCCIO8

139

VCCA1

35

VCCA2

107

VCCD_PLL1

37

VCCD_PLL2

109

C88

0.1uF

C88

0.1uF

33R79 33R79

33R100 33R100

C93

0.1uF

C93

0.1uF

J7

HD2X5-100

J7

HD2X5-100

1

3

56

4

2

7

9

8

10

C87

0.1uF

C87

0.1uF

R108

4.99k

0603

R108

4.99k

0603

33R97 33R97

33R77 33R77

C91

0.1uF

0402

C91

0.1uF

0402

BANK5

U18F

CYCLONE3-EP3C5E144

BANK5

U18F

CYCLONE3-EP3C5E144

IO1

73

IO2

74

IO3

75

IO4_RUP3

76

IO4_RDN3

77

IO5

79

IO6_VREF5

80

IO8_DIFFIOR8N

84

IO9_DIFFIOR8P

85

CLK7_DIFFCLK3N

88

CLK6_DIFFCLK3P

89

IO7

83

C86

0.1uF

C86

0.1uF

BANK4

U18E

CYCLONE3-EP3C5E144

BANK4

U18E

CYCLONE3-EP3C5E144

IO1_DIFFIOB12P

54

IO2_DIFFIOB12N

55

IO3

58

IO4_DIFFIOB16P

59

IO5_DIFFIOB16N

60

IO6

64

IO7_VREF4

65

IO8_RUP2

66

IO9_RDN2

67

IO10

68

IO11

69

IO12_DIFFIOB21P

70

IO14

72

IO13_DIFFIOB21N

71

C111

22nF

C111

22nF

C109

1nF

C109

1nF

33R95 33R95

C85

0.1uF

C85

0.1uF

R113

10k

R113

10k

33R93 33R93

R117

10k

R117

10k

J6

HD2X5-100

J6

HD2X5-100

1

3

56

4

2

7

9

8

10

BANK2

U18C

CYCLONE3-EP3C5E144

BANK2

U18C

CYCLONE3-EP3C5E144

CLK2

24

CLK3

25

IO1

28

IO2

30

IO3_VREF2

31

IO4_RUP1

32

IO5_RDN1

33

IO6

34

C105

47uF

0805

C105

47uF

0805

C106

4.7uF

0603

C106

4.7uF

0603

R67

*

R67

*

C84

0.1uF

C84

0.1uF

BANK7

U18H

CYCLONE3-EP3C5E144

BANK7

U18H

CYCLONE3-EP3C5E144

IO1

110

IO2

111

IO3

112

IO4

113

IO5_RUP4

114

IO6_RDN4

115

IO7_VREF7

119

IO8_DIFFIOT16N

120

IO9_DIFFIOT16P

121

IO10

124

IO11

125

IO12_DIFFIOT12N

126

IO13_DIFFIOT12P

127

R68

*

R68

*

C97

0.1uF

C97

0.1uF

C112

22nF

C112

22nF

R110

10k

R110

10k

C83

0.1uF

C83

0.1uF

C92

0.1uF

0402

C92

0.1uF

0402

DC1996A-A

DC1996A-A

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