Linear Technology DC1954A, Демонстрационное руководство

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8
dc1954af
DEMO MANUAL DC1954A
schematic Diagram
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
ASSY
U1
*
-A -B -C
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS ARE IN OHMS, 0402
ALL CAPACITORS ARE IN MICROFARADS, 0402
-D
LTC6954IUFF-4 LTC6954IUFF-3 LTC6954IUFF-2 LTC6954IUFF-1
Z1-Z2
R1
Z3-Z4
Z5-Z6
R6
0.1uF
0.1uF
0.1uF
100 OHM
0 OHM
OPEN OPEN OPEN
100 OHM
0.1uF
OPEN
0.1uF
0 OHM
100 OHM
0 OHM
0 OHM 0 OHM 0 OHM
OPEN
0.1uF
H L
OUT0SEL
L H OUT1SEL
L
OUT2SEL H
100 OHM 100 OHM 100 OHM
OPEN
R11
V+ V+
V+
V+
V+
V+
V+
V+
OUT2SEL
OUT1SEL
OUT0SEL
OUT0SEL
V+
OUT1SEL
V+
OUT2SEL
V+
CS
SCLK
SDO
SDI
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
MICHEL A.
PRODUCTION
__
2
10-03-13
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
MICHEL A.
PRODUCTION
__
2
10-03-13
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
MICHEL A.
PRODUCTION
__
2
10-03-13
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
2
DEMO CIRCUIT 1954A
10/03/2013, 10:30 AM
12
LOW PHASE NOISE, TRIPLE OUTPUT CLOCK
N/A
LTC6954IUFF-1/-2/-3/-4
KIM T.
MICHEL A.
DISTRIBUTION DIVIDER/ DRIVER
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
2
DEMO CIRCUIT 1954A
10/03/2013, 10:30 AM
12
LOW PHASE NOISE, TRIPLE OUTPUT CLOCK
N/A
LTC6954IUFF-1/-2/-3/-4
KIM T.
MICHEL A.
DISTRIBUTION DIVIDER/ DRIVER
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
2
DEMO CIRCUIT 1954A
10/03/2013, 10:30 AM
12
LOW PHASE NOISE, TRIPLE OUTPUT CLOCK
N/A
LTC6954IUFF-1/-2/-3/-4
KIM T.
MICHEL A.
DISTRIBUTION DIVIDER/ DRIVER
J1
SMA-R
OUT0+
J1
SMA-R
OUT0+
R18 49.9 R18 49.9
C25 0.01uF 0201 C25 0.01uF 0201
E11
GND
E11
GND
R14
0
R14
0
C14 1uF 0603 C14 1uF 0603
C17 0.01uF 0201 C17 0.01uF 0201
R19 OPT R19 OPT
Z4
*
Z4
*
R17 OPT R17 OPT
R32 0603 OPT R32 0603 OPT
J11
3.15V - 3.45V
V+
J11
3.15V - 3.45V
V+
C23 0.1uF C23 0.1uF
C15 0.01uF 0201 C15 0.01uF 0201
R7 0 R7 0
R30 0603 OPT R30 0603 OPT
JP2JP2
1 3 2
Z3
*
Z3
*
R3 OPT R3 OPT
E10
3.15V - 3.45V
E10
3.15V - 3.45V
Z2
*
Z2
*
C24 0.1uF C24 0.1uF
R31 0603 OPT R31 0603 OPT
J5
SMA-R
OUT2+
J5
SMA-R
OUT2+
C2 0.1uF C2 0.1uF C1 0.1uF C1 0.1uF
R27 0603 OPT R27 0603 OPT
C22 0.1uF C22 0.1uF
R9 0 R9 0
R35 200K R35 200K
GNDGND
C28 0.1uF C28 0.1uF
R29 0603 OPT R29 0603 OPT
C21 0.01uF 0201 C21 0.01uF 0201
R11
*
R11
*
C8 0.1uF C8 0.1uF
Z1
*
Z1
*
R20 49.9 R20 49.9
C13 0.1uF C13 0.1uF
JP1JP1
1 3 2
C12 0.1uF C12 0.1uF
C29 0.1uF C29 0.1uF
E9
SYNC
E9
SYNC
R8 OPT R8 OPT R5 OPT R5 OPT
C9 0.1uF C9 0.1uF
C20 0.01uF 0201 C20 0.01uF 0201
R12 0 R12 0
J3
SMA-R
OUT1+
J3
SMA-R
OUT1+
J6
SMA-R
OUT2-
J6
SMA-R
OUT2-
R6
*
R6
*
R2 0 R2 0
C10 0.1uF C10 0.1uF
J9
SMA-R
IN-
J9
SMA-R
IN-
+
C16 22uF 3528 10V
+
C16 22uF 3528 10V
E12
TEMP
E12
TEMP
R16 OPT R16 OPT
Z6
*
Z6
*
U1
*
QFN36UFF-4X7
U1
*
QFN36UFF-4X7
V+OUT1
8
V+OUT0
9
OUT0-
10
OUT1-
6
OUT1+
7
V+A
34
OUT2SEL
36
SDO
17
OUT0+
11
V+OUT0
12
OUT0SEL
13
GND
14
IN-
28
GND
29
TEMP
31
V+IN
30
V+A
15
V+OUT2
1
SCLK
19
SDI
20
V+D
21
SYNC
22
V+A
23
V+A
24
V+IN
25
GND
26
IN+
27
OUT2+
3
OUT1SEL
33
GND
32
V+OUT2
4
GND
35
OUT2-
2
V+D
18
CS
16
V+OUT1
5
GND
37
GNDGND
J7
SMA
SYNC
J7
SMA
SYNC
C19 0.01uF 0201 C19 0.01uF 0201
R28 0603 OPT R28 0603 OPT
E13
GND
E13
GND
R10 OPT R10 OPT
JP3JP3
1 3 2
J2
SMA-R
OUT0-
J2
SMA-R
OUT0-
J4
SMA-R
OUT1-
J4
SMA-R
OUT1-
R1
*
R1
*
J8
SMA-R
IN+
J8
SMA-R
IN+
C27 0.01uF 0201 C27 0.01uF 0201
R13 OPT R13 OPT
Z5
*
Z5
*
R4 0 R4 0
R15 OPT R15 OPT
C18 0.01uF 0201 C18 0.01uF 0201
GNDGND
C26 0.01uF 0201 C26 0.01uF 0201
J10
GND
J10
GND