1
2
3
4
5
6
A
B
C
D
6
5
4
3
2
1
D
C
B
A
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
J6
Parallel Data
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
J5
Analog_1
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
J1
Parallel Control
-VCC
AVDD
1
2
3
4
5
6
7
8
9
10
J4
Power Header
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
J3
Analog_0
AVDD
AVDD
AVDD
AVSS
JP14
AVSS Selection
C8
0.1uF
C7
0.1uF
C13
0.1uF
C12
0.1uF
11x17
1
1
OutA
1
-InA
2
+InA
3
V-
4
+InB
5
-InB
6
OutB
7
V+
8
U4
OPA2277
1
2
J2
EXT_REFA
EXT_REFB
+5VA
-5VA
+1.8VD
VD1
+3.3V
+5V
TP18
IOVDD
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
/CE
/WE
LATCH_CTRL
AVSS
R/W
TP13
AGND
TP5
AGND
TP6
AVDD
TP15
AVSS
L1
MMZ2012R601A
L3
MMZ2012R601A
C22
10uF
C24
10uF
C27
10uF
C26
10uF
+VA
+VA
-VA
-VA
L4
MMZ2012R601A
TP16
DVDD
L2
MMZ2012R601A
D12
D13
D14
D15
D12
D13
D14
D15
AVDD
AVSS
-VCC
AVSS
IOVDD
VOUT_0
VOUT_1
VOUT_2
VOUT_3
VOUT_4
VOUT_5
VOUT_6
VOUT_7
JP1
OP-AMP1
JP2
OP-AMP2
VOUT_0
VOUT_1
VOUT_2
VOUT_3
VOUT_4
VOUT_5
VOUT_6
VOUT_7
+1.8V
TP8
REF_A
L5
MMZ2012R601A
+3.3VD
+5VD
JP5
REFB Select1
JP7
REFB Select2
REF2.5V
REF5V
EXT_REFB
REF_B
JP15
DVDD Select1
+3.3V
+5V
DVDD
JP19
IOVDD Select1
JP20
IOVDD Select2
+3.3V
+1.8V
+5V
IOVDD
JP4
REFA Select1
JP6
REFA Select2
REF2.5V
REF5V
EXT_REFA
REF_A
DNC
1
Vin
2
TEMP
3
GND
4
TRIM
5
Vout
6
NC
7
DNC
8
U2
REF5025
5V
DNC
1
Vin
2
TEMP
3
GND
4
TRIM
5
Vout
6
NC
7
DNC
8
U1
REF02
REF5V
REF2.5V
REF_A
REF_B
DVDD
IOVDD
/CS
R/W
USB/BTC
RSTSEL
R12
10k
R11
10k
IOVDD
TP9
VMON
TP10
OFFSET_A
TP17
OFFSET_B
DC_/CS
TP11
/BUSY
TP12
GPIO
TP1
REF2.5V
TP2
REF5V
VCC
7
VCC
18
VCC
42
VCC
31
GND
4
GND
10
GND
15
GND
21
GND
45
GND
39
GND
34
GND
28
1DIR
1
2DIR
24
1OE
48
2OE
25
1B1
2
1B2
3
1B3
5
1B4
6
1B5
8
1B6
9
1B7
11
1B8
12
2B1
13
2B2
14
2B3
16
2B4
17
2B5
19
2B6
20
2B7
22
2B8
23
1A1
47
1A2
46
1A3
44
1A4
43
1A5
41
1A6
40
1A7
38
1A8
37
2A1
36
2A2
35
2A3
33
2A4
32
2A5
30
2A6
29
2A7
27
2A8
26
U10
SN74LVC16245A
IOVDD
R8
15k
IOVDD
EVM_A0
EVM_A2
EVM_A1
EVM_A3
/RST
/CLR
JP10
CS_Jumper
IOVDD
DC_/CS
1A
2
1B
3
2A
14
1G
1
2G
15
2B
13
1Y0
4
1Y1
5
1Y2
6
1Y3
7
2Y0
12
2Y1
11
2Y2
10
2Y3
9
VC
C
GND
U7
SN74LVC139A
LATCH
R6
10k
IOVDD
JP3
/CLR Jumper
R9
10k
IOVDD
JP9
/RST Jumper
/LDAC_CTRL
R14
10k
IOVDD
JP17
/LDAC Jumper
/CLR
/CE
/CE
/RST
TP3
OPA_Out1
TP4
OPA_Out2
R5
0
R4
0
C10
DNI
C11
DNI
C42
0.1uF
C43
0.1uF
C19
1uF
C18
1uF
TP7
REF_B
OE
1
1Q
2
1D
3
2D
4
2Q
5
3Q
6
3D
7
4D
8
4Q
9
GND
10
VCC
20
8Q
19
8D
18
7D
17
7Q
16
6Q
15
6D
14
5D
13
5Q
12
CLK
11
U11
SN74LV374A
C20
0.1uF
USB/BTC
RSTSEL
C44
0.1uF
C14
1uF
VOUT_0
VOUT_1
VOUT_2
VOUT_3
VOUT_4
VOUT_5
VOUT_6
VOUT_7
/BUSY
/BUSY
D1
3
1
D1
4
2
D1
5
3
VMON
4
VOUT_3
5
RE
F
_
A
6
AVD
D
8
VOUT_2
7
A
G
ND_
A
9
AVSS
11
OFFSET_A
12
VOUT_1
10
NC
14
RST
19
A0
20
VOUT_0
13
A1
21
NC
22
NC
23
DV
DD
24
DGND
25
A2
26
A3
27
NC
28
A4
29
PDN
30
NC
31
NC
32
GPIO
33
RSTSEL
34
NC
35
OFFSET_B
37
AVSS
38
A
G
ND_
B
40
AVD
D
41
VOUT_7
36
RE
F
_
B
43
NC
45
D0
46
VOUT_6
39
D1
47
D2
48
D3
49
VOUT_5
42
D4
50
D5
51
VOUT_4
44
D6
52
NC
53
DGND
54
IOV
D
D
55
DV
DD
56
USB/BTC
15
BUSY
16
CLR
17
LDAC
18
D9
61
D1
0
62
D1
1
63
D1
2
64
D7
59
D8
60
CS
58
R/W
57
U9
DAC8728PAG
R13
0
/RE
/CS
R/W
A
1
B
2
GND
3
Y
4
Vcc
5
U6
SN74LVC1G32
A
1
B
2
GND
3
Y
4
Vcc
5
U8
SN74LVC1G08
IOVDD
IOVDD
DC_/CS
1
1
1
OR Gate
AND Gate
A
1
B
2
GND
3
Y
4
Vcc
5
U5
SN74LVC1G32
OR Gate
IOVDD
LATCH_CTRL
/WE
LATCH
/RE
/WE
C1
1uF
C31
1uF
C32
1uF
C33
1uF
C34
1uF
R1
10
C6
0.01uF
R3
100
R2
49.9
EXT_/LDAC
JP13
USB/BTC
JP11
RSTSEL
JP8
OFFSET_A
JP16
OFFSET_B
A
1
B
2
GND
3
Y
4
Vcc
5
U12
SN74LVC1G08
IOVDD
AND Gate
R15
10k
JP18
EXT_/LDAC
/LDAC_CTRL
EXT_/LDAC
IOVDD
/LDAC
TP14
AGND
C2
1uF
C3
22uF
C4
47uF
C5
0.01uF
C9
47uF
C16
47uF
5V
C29
1uF
C28
1uF
C30
1uF
C40
1uF
C41
1uF
2
3
V+
V-
6
U3
OPA277
C15
1uF
R7
1.5
C23
10uF
C25
10uF
C36
10uF
C39
10uF
C37
10uF
C38
10uF
C17
10uF