background image

S i 5 3 2 1 - E V B

4

Rev. 0.4

For engineering test purposes only. Not

needed for customer application.

VSEL3

3

VALTI

M

E

INFRQSEL[0]

RSTN/CAL

BWSEL[0]

VSEL33

FEC[1]

ClkOut-

FEC[2]

DH_ACTV

BWSEL[1]

ClkIn-

LOS

BWB

O

O

ST

ClkIn+

OUTFRQSEL[1]

FEC[0]

INFRQSEL[1]

OUTFRQSEL[0]

FXDDELAY

CAL_ACTV

INFRQSEL[2]

OUTFRQSEL[2]

BWSEL[1]

FEC[1]

FEC[0]

FXDDELAY

OUTFRQSEL[1]

INFRQSEL[2]

LOS

BWB

O

O

ST

OUTFRQSEL[2]

BWSEL[0]

OUTFRQSEL[0]

INFRQSEL[1]

FEC[2]

INFRQSEL[0]

VALTI

M

E

DH_ACTV

ClkOut-

ClkIn+

ClkIn-

LOS

CAL_ACTV

RSTN/CAL

DEV_ID[0] DEV_ID[1] DEV_ID[2] DEV_ID[3] DEV_ID[4] DEV_ID[5] ANAOUT

DEV_ID[0] DEV_ID[1] DEV_ID[2] DEV_ID[3] DEV_ID[4] DEV_ID[5]

ANAOUT

TMOD[2]

TMOD[1]

TMOD[0]

TMOD[0]

TMOD[1]

TMOD[2]

CAL_ACTV

3.3V

3.3V

2.5V

3.3V

3.3V

3.3V

3.3V

2.5V

SW1

101-01

61

+

C12 330uf, 7343

R4

0, 0402

C7 2200pf, 0603

R5

0, 0402

C1

0.1uf, 0603

U1

Si5321_revB

D3

D4

D5

E3

E4

E5

D6

D7

E6

E7

F3

F4

F5

F6

F7

H6 H7

E8 D8 F8

A7 A8 B8

A6 A5 A4

B5

B4

B3

B2

C8 B7 B6

D2

C3

C4

C5

C6

C7

E2

F2

G2

G3

G4

G5

G6

G7

G8

D1 E1

F1 G1 H1

H5 H8

A3 A2

B1 C1

H4

H3

C2

H2

VDD33

VDD33

VDD33

VDD33

VDD33

VDD33

VDD25

VDD25

VDD25

VDD25

VDD25

VDD25

VDD25

VDD25

VDD25

 CLKOUT-

CAL_ACTV DH_ACTV

LOS

NC/DEV_ID[3] NC/DEV_ID[4] NC/DEV_ID[5]

NC/DEV_ID[0] NC/DEV_ID[1] NC/DEV_ID[2]

NC/ANAOUT

FXDDELAY

FRQSEL[2]

FEC[2]

RES/TMOD[0] RES/TMOD[1] RES/TMOD[2]

BWBOOST

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

CLKIN+ CLKIN-

INFRQSEL[0] INFRQSEL[1] INFRQSEL[2]

FRQSEL[0] FRQSEL[1]

FEC[0] FEC[1]

BWSEL[0] BWSEL[1]

VALTIME

RSTN/CAL

VSEL33

REXT

R9 4.99k, 0603

D2

LN1274R

R3 49.9, 0603

JP6

HEADER 3x2

1

2

3

4

5

6

12 34 56

R8 4.99k, 0402

C6

0.1uf, 0603

Q1 FDN337N

G

S

D

J5

power connector, 2 pin

POS1

POS2

C15 Spare, 0402

C16 Spare, 0402

C4

0.1uf, 0603

C3

0.1uf, 0603

L1

600 ohm, 1206

JP8

1

2

3

4

5

6

7

8

9

10

11

12

13

14

12 34 56 78 91

0

11

12

13

14

+

C5

33uf, 3528

+

C13 33uf, 3528

R6 10k, 0402

JP1

14x3 HEADER

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

41

42

12 3 45 6 78 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

41

42

JP2

1x3 HEADER

1

2

3

12 3

JP7

1

2

3 4

5

6 7

8

9

12 3 45 6 78 9

R2 49.9, 0603

JP5

1x3 HEADER

1

2

3

12 3

R1

0, 0603

C2

0.1uf, 0603

R10

0, 0402 JP4

1

2

3

12 3

D1

LN1371G

J1

SMA, notch fit

1

2

SIG

BODY

J2

SMA, notch fit

1

2

SIG

BODY

J3

SMA, notch fit

1

2

SIG

BODY

J4

SMA, notch fit

1

2

SIG

BODY

R7 4.99k, 0603

Q2 FDN337N

G

S

D

JP3

1

2

12

C14

0.1uf, 0603

C8

22pf, 0603

+

C10

330uf, 7343

+

C11

330uf, 7343

Fi

gure 1. Si53

21-EVB 

Sc

hematic

Summary of Contents for Si5321-EVB

Page 1: ...erved for factory testing purposes Features Single supply at either 3 3 or 2 5 V jumper configurable Differential I Os ac coupled on board Differential inputs terminated on board Control input signals are switch configurable Status outputs brought out to headers for easy access Function Block Diagram t e x t t e x t Si5321 CLKIN CLKOUT Control Inputs Status Outputs Control Input Jumper Header Stat...

Page 2: ...and has an on chip pulldown mechanism This pin must be set high for normal operation of the Si5321 device Setting RSTN CAL low forces the Si5321 into the reset state A low to high transition of RSTN CAL enables the part and initiates a self calibration sequence The Si5321 device initiates self calibration at powerup if the RSTN CAL signal is held high A self calibration of the device also can be m...

Page 3: ...node is 15 s to 50 s The capacitor used on the board is a 33 F capacitor with an ESR of 8 This yields a time constant of 26 4 s The designer could decide to use a 330 F capacitor with an ESR of 15 This yields a time constant of 49 5 s Each of these cases provide a compensation circuit that makes the output of the regulator stable The second issue is noise filtering For this more capacitance is usu...

Page 4: ...V_ID 4 NC DEV_ID 5 NC DEV_ID 0 NC DEV_ID 1 NC DEV_ID 2 NC ANAOUT FXDDELAY FRQSEL 2 FEC 2 RES TMOD 0 RES TMOD 1 RES TMOD 2 BWBOOST GND GND GND GND GND GND GND GND GND GND GND GND GND GND CLKIN CLKIN INFRQSEL 0 INFRQSEL 1 INFRQSEL 2 FRQSEL 0 FRQSEL 1 FEC 0 FEC 1 BWSEL 0 BWSEL 1 VALTIME RSTN CAL VSEL33 REXT R9 4 99k 0603 D2 LN1274R R3 49 9 0603 JP6 HEADER 3x2 1 2 3 4 5 6 1 2 3 4 5 6 R8 4 99k 0402 C6 ...

Page 5: ...JP1 14x3 HEADER JP2 JP4 JP5 1x3 HEADER JP3 1x2 HEADER JP6 HEADER 3x2 JP7 5x3 JP8 7x2 Header J1 J2 J3 J4 SMA notch fit Johnson Components 82 SMA S50 0 45 J5 power connector 2 pin Phoenix Contact 140 A 111 02 1729018 L1 600 ohm 1206 MURATA BLM31A601S Q1 Q2 MOS SM FDN337N Fairchild FDN337N R1 0 0603 Venkel CR0603 16W 000T R3 R2 49 9 0603 Venkel CR0603 16W 49R9FT R4 R5 R10 0 0402 Venkel CR0402 16W 000...

Page 6: ...Si5321 EVB 6 Rev 0 4 Figure 2 Si5321 EVB Top Silkscreen ...

Page 7: ...Si5321 EVB Rev 0 4 7 Figure 3 Si5321 EVB Layer 1 Component Side ...

Page 8: ...Si5321 EVB 8 Rev 0 4 Figure 4 Si5321 EVB Layer 2 High Speed Signals ...

Page 9: ...Si5321 EVB Rev 0 4 9 Figure 5 Si5321 EVB Layer 3 GND ...

Page 10: ...Si5321 EVB 10 Rev 0 4 Figure 6 Si5321 EVB Layer 4 VDD 2 5 ...

Page 11: ...Si5321 EVB Rev 0 4 11 Figure 7 Si5321 EVB Layer 5 GND ...

Page 12: ...Si5321 EVB 12 Rev 0 4 Figure 8 Si5321 EVB Layer 6 VDD 3 3 ...

Page 13: ...Si5321 EVB Rev 0 4 13 Figure 9 Si5321 EVB Layer 7 GND ...

Page 14: ...Si5321 EVB 14 Rev 0 4 Figure 10 Si5321 EVB Layer 8 Bottom ...

Page 15: ...Si5321 EVB Rev 0 4 15 Figure 11 Si5321 EVB Bottom Silkscreen ...

Page 16: ... List Revision 0 1 to Revision 0 4 Updated to reflect Rev D printed circuit boards Default jumper settings added Evaluation Board Assembly Revision History Assembly Level PCB Rev Si5321 Rev Assembly Notes B 01 Rev C Rev B Assemble per BOM rev B 01 ...

Page 17: ...Si5321 EVB Rev 0 4 17 Notes ...

Page 18: ...th which if it fails can be reasonably expected to result in significant personal injury or death Silicon Laboratories products are generally not intended for military applications Silicon Laboratories products shall under no circumstances be used in weapons of mass destruction including but not limited to nuclear biological or chemical weapons or missiles capable of delivering such weapons Tradem...

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