AD9540 Schematics Rev. B (pdf 307 569 bytes) PDF

1
2
3
4
GND
T10
1
3
D
J3
INSTALL EITHER R12
OR R48 AND R49
5
GND
C63
4
T3
ETC1-1T-5
INSTALL EITHER R11
OR R50 AND R51
C62
5
1
4
GND
C65
D
3
GND
J2
ETC1-1T-5
GND
C66
X1
J6
1
2
C69
C61
C64
C47
L19
C68
C
C
C46
12
37
AGND_PFD
38
AVDD_PFD
39
REF
40
REFB
41
OSCB
42
OSC
43
AGND_BG
44
AVDD_BG
45
RF_IN
DGND_DAC
J4
29
28
RF_INB
SYNC_I/O
RESET
27
AVDD_DIV
DVDD1
26
AGND_DIV
DGND1
CS
SCLK
16
15
SDIO
14
13
SDO
J7
DVDD2
GND
C59
5
T9
B
1
INSTALL EITHER R10
OR R52 AND R53
25
J1
C60
4
DGND2
11
30
AGND_DRV
PS2
B
10
DVDD_DAC
GND
3
GND
24
INSTALL R54, R55 OR R56
PER FUNCTION OF J7
31
AVDD_DRV
23
9
IOUTB
PS1
8
32
DRV_OUTB
22
T1
7
IOUT
PS0
1
6
I/O_UPDATE
6
5
21
2
33
DRV_OUT
20
5
TERMINATION OPTION
34
AGND_CP
PLL_LOCK/SYNC_IN
3
J5
35
AVDD_DAC2
SYNC/OUT
4
36
AGND_DAC2
19
4
AVDD_CP
AVDD_DAC1
18
3
DVDD_I/O
2
CP_OUT
AGND_DAC1
17
1
C2
CP_RSET
C1
L17
46
DRV_RSET
C67
47
DAC_RSET
TERMINATION OPTION
48
AVDD_DAC
L18
REFDES=U1
74LVC125A
9
C12
C3
C4
8
C14
10
U2
J9
74LVC125A
A
74LVC125A
2
3
1
5
C10
C8
C7
C6
A
W6
4
U2
C5
6
VCC;14
U2
U3
C11
W5
1
2
VCC;14
74LVC14A
B
1
2
3
4
1
2
3
4
U6
D
1
19
D
VCC;20
OE1
OE2
MASTER
GND;10
74LVC541A
U4
1
2
VBUS
3
4
5
6
7
C109
C
C108
8
22PF
22PF
X3
1
9
10
2
11
24MHZ
J15
VBUS
DD+
GND
SHIELD
SHIELD1
12
1
13
2
14
3
15
4
16
5
17
6
18
19
20
TP1
21
B
22
23
24
25
26
U5
1
2
3
4
8
27
7
28
NC1
VCC
NC2
NC4
NC3
6
SCL
VSS
5
SCA
9
11
1
8
12
3
7
13
5
PD5/FD13
56
PD4/FD12
6
14
7
PD6/FD14
55
PD3/FD11
5
15
9
54
PD2/FD10
4
16
11
GND1
53
PD1/FD9
3
17
13
CLKOUT
52
PD0/FD8
2
18
15
VCC1
51
WAKEUP
GND2
VCC7
PD7/FD15
RDY0/SLRD
RESET
RDY1/SLWR
GND6
17
50
19
MANUAL
21
49
W4
48
23
PC CONTROL
25
47
PA7/FLAGD/SLCS
AVCC
PA6/PKTEND
XTALOUT
XTALIN
PA5/FIFOADR1
AGND
PA4/FIFOADR0
VCC2
PA3/WU2
PA2/SLOE
DPLUS
44
1
42
19
OE1
OE2
VCC6
39
8
12
3
VCC3
13
5
14
7
GND
CTL2/FLAGC
38
IFCLK
37
CTL1/FLAGB
6
36
CTL0/FLAGA
5
15
9
35
4
16
11
34
3
17
13
33
2
18
15
PB7/FD7
PB1/FD1
PB6/FD6
PB2/FD2
PB5/FD5
PB3/FD3
PB4/FD4
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
8
10
12
14
16
18
20
C
22
24
26
74LVC541A
7
PB0/FD0
P8
6
SLAVE
1
GND4
P7
GND;10
11
VCC4
P6
VCC;20
9
VCC5
P5
4
U7
43
40
PA0/INT0
SDA
P4
P1
PC
GND3
GND5
P3
2
45
DMINUS
SCL
P2
46
41
PA1/INT1
RESERVED
P1
17
32
19
31
21
30
23
29
25
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
2
4
6
8
10
B
12
14
16
18
20
22
24
26
P2
W15
W2
USB ID ENABLE
8PDIP
DO NOT REMOVE
PC CONTROL
W3
C20
C15
REMOVE JUMPERS FOR
MANUAL CONTROL
A
A
USB STATUS
74LVC14A
74LVC14A
C19
4
3
U3
6
VCC;14
5
U3
B
1
2
3
4
1
2
3
4
D
D
C33
C34
C35
C37
C39
C38
C44
C45
C41
C42
C43
C16
C17
U4
U2
U3
U5
U7
U6
C
C
C53
C30
C54
C56
C57
C55
REFER TO BOM FOR VALUES
C88
B
_F
C89
_F
C90
C91
_F
_F
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
U8
GND
B
TB1
GND
X
1
X
2
X
3
X
4
X
5
C52
POWER ENTRY
A
A
B
1
2
3
4
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