AD9912 Schematic Rev. B PDF

1
2
3
4
REVISIONS
DESCRIPTION
REV
APPROVED
DATE
CMOS OUT
R106
J7
D
TP1
C87
TP2
OPT
4
GND
5
2
6
1
DEFAULT: INSTALL R13, NOT R12
IF USING FILTER: REMOVE R13 & INSTALL BOXED ITEMS
GND
400 MHz LPF
GND
C80
VDD_DRV (1.8V)
VDD_DAC3_3 49
DACOUT50
DACOUTB 51
VSS_DACDEC52
VDD_DACDEC53
S354
S455
DVSS_556
DVSS_657
RESET59
PWRDOWN58
IO_UPDATE60
CSB61
SDO62
VDD_DRV
VDD_DRV (1.8V)
4
OUT35
AVDD3.3
NC_3
5.6PF
6.8PF
R20
0
3.9PF
CLKMODESEL
LOOP_FILTER
GND
GND
GND
GND
DEVICE=ADT2-1T-1P
ADTT1-1 /CD542 PKG
3
GND
5
2
6
1
R18
0
FDBK_IN
T2
J6
B
32
31
VDD_SYSCLK_4
R4
100
34
VSS_DRV_133
R15
(1.8V) VDD_SYSCLK
30
VDD_SYSCLK_3
SYSCLKB
29
28
SYSCLKB
(1.8V) VDD_SYSCLK
SYSCLK
27
SYSCLK
26
(1.8V) VDD_SYSCLK
VDD_SYSCLK_1
(1.8V) VDD_SYSCLK
(1.8V) AVDD
(1.8V) AVDD
VDD_SYSCLK_2
OUTB
17
2.7PF
C3
OUT_CMOS
NC_2
GND
R135
510
CLK MODE SELECT
GND
J1
10K
R7
10K
OUT
C13
JMP1
VDD_SYSCLK
C9
10NF
R17
1K
GND
R24
C14
0.1UF
DEFAULT POS
GND
1K
C2
GND
VDDX_DRV (3.3V)
R6
C4
GND
36
B
C11
FDBK_IN
VDDX_DRV37
NC_4
C
27NH
2.7PF
GND
NC_1
N/C_5
16
43
OUT_CMOS38
AVDD_4
15
18NH
FDBK_INB40
AVDD_1
25
14
J5
L1
C10
VDD_DACCLK (1.8V)
VSS_DRV_239
24
(3.3V) SIO_VDD
1.0PF
41
S2
(1.8V HC) AVDD
13
22NH
L3
44
VSS_ISO
S1
AVDD_3
12
0
VDD_DAC3 (3.3V)
VDD_FDBK42
AD9912
DVSS_4
NC_9
11
DVDD_3
23
10
U1
DVSS_3
22
(1.8V) AVDD
9
AVDD_5
NC_8
S2
8
DVDD_2
21
S1
7
AVDD_645
NC_7
GND
6
DVSS_2
OPT
3.9PF
C5
VDD_DAC3 (3.3V)
VDD_DAC3_146
DVDD_1
AVDD_2
GND
(1.8V) DVDD
5
J4
VDD_DAC3_2
DVSS_1
20
(1.8V) DVDD
4
DAC_RSET48
47
19
GND
3
DVDD_IO
N/C_6
(1.8V) DVDD
SDIO63
SCLK64
GND
2
18
C
1
R12
C12
6.8PF
L2
5.6PF
R13
GND
C28
5.6PF
C1
DUT OUT/FILTER IN
R1
10K
GND
C36
2.7PF
GND
(3.3V) SIO_VDD
GND
D
OPTIONAL
T1
R14
OPT
VDD_DAC3 (3.3V)
GND
S4
S3
GND
GND
RESET
PWRDOWN
CSB
IO_UPDATE
SDO
SCLK
SDIO
GND
VDD_DACDEC (1.8V)
GND
GND
DEVICE=ADT2-1T-1P
ADTT1-1 /CD542 PKG
3
R11
OPT
DUT FILTER OUT
OUT_CMOS
0
J2
0
10NF
R8
10K
R3
OPT
C88
OUTB
R16
GND
A
A
10K
SYSCLK INPUT CIRCUITRY ON SHEET 4
10PF
R98
C83
2.2K
180PF
VDD_SYSCLK
TITLE
AD9912 EVALUATION BOARD
7910 TRIAD CENTER DRIVE
GREENSBORO NC 27409
DATE:
1
2
27 MAY 2008
3
SHEET 1 OF 4 DRAWN BY:
DRAWING NUMBER
REV
B
W. CLARK
4
1
2
3
4
REVISIONS
U6
U6
R28
C39
3
USB_STATUS
4
1
2
0.1UF
300
74LVC14A
74LVC14A
GND
USB STATUS
CR1
VBUS
800
1
W1
GND
2
W2
VBUS
3
W3
4
GND
GND
GND
GND
5
6
VCC_USB
C76
C77
C34
12PF
7
GND
C81
12PF
8
0.1UF
X1
1
2.2UF
2
9
VCC_USB
24MHZ
10
11
12
C
J30
GND1
SHIELD
GND
USB_HDR
D+
DVBUS
15
1M
4700PF
5
14
VCC_USB
R27
6
13
GND
C60
SHIELD1
16
GND
4
17
GND
3
18
VCC_USB
2
19
GND
VBUS
1
20
TP3
21
GND
R30
22
VCC_USB
R31
2.2K
23
VCC_USB
2.2K
JMP8
U3
C38
1
0.1UF
2
3
GND
GND
4
24
VCC_USB
VCC_USB
B
USB I/O
R32
100K
GREEN
R29
25
SDIO
8
26
SDO
NC1
VCC
NC4
7
W4
NC2
6
SCL
W5
NC3
VSS
5
SCA
JMP9
VCC_USB
27
28
PD5/FD13
56
PD4/FD12
S4_B
PD6/FD14
55
PD3/FD11
S3_B
PD7/FD15
54
PD2/FD10
S2_B
GND1
53
PD1/FD9
S1_B
CLKOUT
52
PD0/FD8
VCC1
51
WAKEUP
GND2
VCC7
U2
RDY0/SLRD
RESET
CY7C68013A
GND6
RDY1/SLWR
TP14
XTALIN
PA5/FIFOADR1
AGND
PA4/FIFOADR0
PA3/WU2
VCC2
PA2/SLOE
DPLUS
50
GND
48
C78
W7
1UF
TP11
45
TP10
44
TP9
IO_UPDATE_U
RESERVED
36
CTL0/FLAGA
PB3/FD3
PB4/FD4
TP8
TP6
SDO
TP5
SDIO
35
VCC_USB
33
32
31
30
C40
W9
0.1UF
A
C30
C31
C33
0.1UF
0.1UF
0.1UF
0.1UF
GND
VCC_USB
29
19
1000PF
0.01UF
GND
GND
9
6
PWRDOWN_U
5
4
CSB_U
3
2
IO_UPDATE_U
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
12
14
16
18
C
20
22
24
26
GND
0.1UF
GND
U5
1
VCC_USB;20
OE1
GND
OE2
A7
A6
19
GND;10
VCC_USB;20
OE1
OE2
GND;10
74LVC541A
Y7
Y6
A5
Y5
A4
Y4
A3
Y3
A2
Y2
A1
Y1
A0
B
Y0
11
9
12
8
13
7
14
15
16
17
18
6
PWRDOWN
S1
RESET
CSB
S2
SCLK
S3
S4
IO_UPDATE
5
4
3
2
A7
Y7
A6
Y6
A5
Y5
A4
Y4
A3
Y3
A2
Y2
A1
Y1
A0
Y0
11
12
13
14
15
16
17
18
S1_B
S2_B
S3_B
A
S4_B
R133
S2
S4
JMP7
TITLE
AD9912 EVALUATION BOARD
10K
10K
GND
7910 TRIAD CENTER DRIVE
GREENSBORO NC 27409
GND
DATE:
1
P14
74LVC541A
7
S3
SIO_VDD
JMP4
C32
P13
U4
1
PC
CONTROL
JMP6
R117
C37
P12
GND
EXTERNAL
CONTROL
W11
SCLK_U
VCC_USB
P11
10
C105
W10
GND
SIO_VDD
P10
I/O BUFFERS
RESET_U
0.1UF
P9
8
VCC_USB
W8
VCC_USB
C29
P8
VCC_USB
10K
GND
P7
6
GND
8
C35
P6
GND
34
R134
S1
P5
4
TP4
SIO_VDD
10K
25
P4
SCLK_U
S LINES
JMP5
23
P3
2
P1
GND
R119
21
RESET
P2
VCC_USB
EEPROM ENABLE
USB BYPASS CAPACITORS
19
HOLDOVER
JMP11
JMP3
SIO_VDD
17
CSB
VCC_USB
EEPROM
15
GND
P1
38
37
CTL1/FLAGB
PB5/FD5
13
RESET_U
39
CTL2/FLAGC
PB2/FD2
11
IO_UPDATE
TP7
42
IFCLK
PB6/FD6
PWRDOWN
HOLDOVER
43
GND
PB1/FD1
9
SCLK
JMP10
REFSELECT
VCC6
PB7/FD7
7
PWRDOWN_U
VCC3
PB0/FD0
5
REFSELECT
USB_STATUS
GND4
S3_B
GND
40
PA0/INT0
VCC4
100K
S4_B
GND3
VCC5
S2_B
49
CSB_U
SDA
R33
3
VCC_USB
41
PA1/INT1
GND5
1
S1_B
W6
DMINUS
SCL
(PROBING/EXTERNAL CONTROL)
VCC_USB
10UF
TP12
46
PA6/PKTEND
XTALOUT
C79
TP13
47
PA7/FLAGD/SLCS
AVCC
D
I/O HEADER
TP15
JMP2
24LC00
APPROVED
DATE
VCC_USB
RED
CR2
GND
D
DESCRIPTION
REV
VCC_USB
2
12 DEC 2007
3
SHEET 2 OF 4 DRAWN BY:
DRAWING NUMBER
REV
B
W. CLARK
4
1
2
3
4
REVISIONS
DESCRIPTION
REV
DATE
APPROVED
POWER SUPPLIES
D
DUT BYPASS CAPACITORS
VDD_SYSCLK (1.8V)
VDD_SYSCLK
C111
DVDD
SIO_VDD
C57
C42
C43
C44
0.1UF
0.1UF
0.1UF
0.1UF
GND
*
J31
VDD_DRV
C102
J17
1UF
10UF
*
C68
1UF
10UF
C59
C94
C54
0.1UF
0.1UF
0.1UF
VDD_DAC3 (3.3V)
*
C110
C67
1UF
10UF
VDD_DACCLK
VDD_DAC3
VDD_DACCLK
GND
J16
OPTIONAL 1.8V POWER PLANE STITCHING
GND
VDD_DACCLK (1.8V)
AVDD
C
C113
GND
GND
D
VDD_DRV/VDD_FDBK (1.8V)
J11
*
C109
C64
1UF
10UF
R19
0
R22
0
R132
0
C
VDD_DRV
VDD_SYSCLK
C49
C50
C93
C53
0.1UF
0.1UF
0.1UF
0.1UF
GND
GND
VDD_SYSCLK
GND
VDDX_DRV (3.3V)
VDD_DACDEC (1.8V)
VDD_DRV
VDDX_DRV
VDD_DACDEC
C51
R63
0
0.1UF
0.1UF
1UF
10UF
*
J9
*
J32
C104
GND
C19
C20
1UF
10UF
R64
0
R60
0
R65
0
VDD_DRV
C90
C108
R66
0
AVDD
GND
GND
R9
0
VDD_DAC3
VDD_DACCLK
C95
C41
C96
C97
0.1UF
0.1UF
0.1UF
0.1UF
*
R10
0
B
R23
0
1 uF CAP ON BOTTOM SIDE IS OPTIONAL
VDD_SYSCLK
AVDD (1.8V)
A
VCC_USB
5_POS
X
DVDD (1.8V)
5
GND
X
TB1
4
GND
X
GND
SIO_VDD (3.3V)
0.1UF
3
C17
0.1UF
X
C98
2
VDDX_DRV
1
VDD_DACDEC
VCC_USB (3.3V)
GND
GND
X
B
SIO_VDD
DVDD
AVDD
C52
C18
C15
C75
10UF
10UF
10UF
10UF
GND
GND
GND
GND
A
TITLE
AD9912 EVALUATION BOARD
7910 TRIAD CENTER DRIVE
GREENSBORO NC 27409
DATE:
1
2
12 DEC 2007
3
SHEET 3 OF 4 DRAWN BY:
DRAWING NUMBER
REV
B
W. CLARK
4
1
2
3
4
REVISIONS
DESCRIPTION
REV
DATE
APPROVED
IF USING ONE OF THE CRYSTALS OR THE XO (INSTEAD OF T5):
REMOVE C100, C101 & INSTALL ASSOCIATED BOXED ITEMS
D
D
OPTIONAL SYSCLK INPUTS
GND
R102
25
R104
C85
0 (OPT)
39PF
GND
PRE-SYSCLK
SYSCLK
C100
5
PRI
T5
SYSCLK
1
SEC
J10
GND
2
0.1UF
X2
R101
OPT
25MHZ (OPT)
4
3
1
2
DEFAULT: DO NOT INSTALL BOXED ITEMS
L4
4
3
ETC1-1-13
C101
1
X3
25 MHZ (OPT)
SYSCLKB
0.1UF
R105
C84
0 (OPT)
39PF
_NH
GND
PRE-SYSCLKB
R103
25
C
C
C21
20PF
GND
XO PWR (3.3V)
J12
C22
1UF
10UF
R36
0
OPTIONAL SYSCLK INPUT
B
C23
GND
B
GND
VECTRON VCC6-Q/R XO
C24
0.01UF
X4
R21
1
2
GND
3
N/C
VDD
ENABLE_DISABLE
F_OUTB
GND
F_OUT
6
5
4
AVDD (1.8V)
DEFAULT: DO NOT INSTALL BOXED ITEMS
OPT
PRE-SYSCLKB
PRE-SYSCLK
25 MHZ (OPT)
A
A
TITLE
AD9912 EVALUATION BOARD
7910 TRIAD CENTER DRIVE
GREENSBORO NC 27409
DATE:
1
2
12 DEC 2007
3
SHEET 4 OF 4 DRAWN BY:
DRAWING NUMBER
REV
B
W. CLARK
4
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