A
B
C
D
D
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A
ti
6730 SOUTH TUCSON BLVD., TUCSON, AZ 85706 USA
TITLE
SHEET
OF
FILE
SIZE
DATE
REV
DRAWN BY
ENGINEER
REVISION HISTORY
REV
ENGINEERING CHANGE NUMBER
APPROVED
B
DATA ACQUISITION PRODUCTS
HIGH-PERFORMANCE ANALOG DIVISION
SEMICONDUCTOR GROUP
DOCUMENT CONTROL NO.
DAC8555EVM
A
11-Oct-2006
J. PARGUIAN
R. BENJAMIN
6486604
1
1
C:\USERDATA\Projects\DAC8555\DAC8555EVM.ddb
+5VA
SCLK
VSS
2
3
6
4
7
1
5
U2
OPA627AU
VCC
VCC
EXTERNAL
REFERENCE
1
2
3
R15
100K
1
2
3
R10 20K
VCC
VDD
VDD
VrefH
ENABLE
VSS
+REFin
+REFin
SDI
SCLK
SDI
VDD
-REFin
OUT_A
OUT_B
OUT_C
OUT_D
2
3
1
8
4
U4A
OPA2132UA
5
6
7
U4B
OPA2227UA
-REFin
VrefH
VrefH
VCC
U2_+IN
U2_-IN
U2_OUT
VrefL
VrefL
VCC = +15V Analog
VDD = +2.7V to +5.0V Digital
VSS = 0V to -15V Analog
1
2
3
J1
1
2
3
J5
+5VA
NOTE: Voltage range of -REFin input should not exceed
0 - VrefH.
VCC
VSS
+5VA
-5VA
VDD
+3.3VD +1.8VD
+3.3VA
LDAC
SYNC
LDAC
ENABLE
RSTSEL
RST
RSTSEL
RST
SYNC
+3.3VA
AVDD
-VA
2
-5VA
4
AGND
6
VD1
8
+5VD
10
+VA
1
+5VA
3
DGND
5
+1.8VD
7
+3.3VD
9
J3A
DAUGHTER-POWER
A0(+)
2
A1(+)
4
A2(+)
6
A3(+)
8
A4
10
A5
12
A6
14
A7
16
REF-
18
REF+
20
A0(-)
1
A1(-)
3
A2(-)
5
A3(-)
7
AGND
9
AGND
11
AGND
13
VCOM
15
AGND
17
AGND
19
J4A
OUTPUT HEADER
GPIO0
2
DGND
4
GPIO1
6
GPIO2
8
DGND
10
GPIO3
12
GPIO4
14
SCL
16
DGND
18
SDA
20
CNTL
1
CLKX
3
CLKR
5
FSX
7
FSR
9
DX
11
DR
13
INT
15
TOUT
17
GPIO5
19
J2A
DAUGHTER-SERIAL
R1
10K
R2
10K
R3
10K
R4
10K
R5
NI
R6
NI
C5
0.1uF
C2
10uF
1
2
3
JMP7
C7
0.1uF
C3
10uF
R11
0
R12
0
1
2
JMP2
1
2
JMP1
1
2
JMP4
1
2
JMP3
VIN
2
VOUT
6
TRIM
5
GN
D
4
TEMP
3
U3
REF02AU
C1
10uF
C4
0.1uF
TP1
REF OUT
R13
0
R16
20k
C6
0.1uF
1
2
3
JMP8
1
2
3
JMP9
TP4
AGND
TP3
TP2
TP5
+Vin
TP6
-Vin
R18
NI
R21
NI
R19 NI
R20 NI
R22
NI
R23
NI
R17
NI
C9
NI
C8
NI
R14
0
R7
10K
R9
10K
R8
10K
R24
100
C11
1uF
C10
1uF
C12
1nF
1
2
JMP5
1
2
JMP6
1
2
3
JMP10
1
2
3
JMP15
OPA IN
1
2
3
JMP16
OPA OUT
1
2
3
JMP11
OUT A
1
2
3
JMP12
OUT B
1
2
3
JMP13
OUT C
1
2
3
JMP14
OUT D
J4A (TOP) = SAM_TSM-110-01-L-DV-P
J4B (BOTTOM) = SAM_SSW-110-22-F-D-VS-K
J2A (TOP) = SAM_TSM-110-01-L-DV-P
J2B (BOTTOM) = SAM_SSW-110-22-F-D-VS-K
J3A (TOP) = SAM_TSM-105-01-L-DV-P
J3B (BOTTOM) = SAM_SSW-105-22-F-D-VS-K
VoutB
2
IO_V/DVDD
12
LDAC
16
RSTSEL
14
GND
6
VrefH
3
VrefL
5
VoutA
1
ENABLE
15
RST
13
VoutD
8
Din
11
SCLK
10
SYNC
9
AVDD
4
VoutC
7
U1
DAC8555IPW
