Datasheet

+5VA
SCLK SDI
OUT_A OUT_B OUT_C OUT_D
VDD
-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
J2A
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
J1A DAUGHTER-SERIAL
R1 10K
R2 10K
C5 0.1uF
C2 10uF
JP4
R6 0
R8 33
JP2
JP1
VIN
2
VOUT
6
TRIM
5
GND
4
TEMP
3
U2
REF5025ID
C1 10uF
C4 0.1uF
R7 33
C6
0.1uF
TP3
C8 1uF
C7 NI
C10
NI
C9 2.2F
TP1
TP4
TP2
JP5
/SYNC
LDAC
1
GND
14
VoutE
6
Vrefin/Out
8
VoutC
5
VoutA
4
CLR
9
VoutB
13
VoutD
12
DIN
15
SCLK
16
SYNC
2
VDD
3
VoutG
7
VoutH
10
VoutF
11
U1
DAC8568ICPW
OUT_E OUT_F OUT_G OUT_H
FSX CNTL
VDD
R4 1.5
R5
2K
3 4
1
2 5
U3
OPA379
JP6
C3 22uF
JP3
/CLR /LDAC
R9 33
C11 10uF
/CLR /LDAC
R3 0
R10 10k
VDD
VDD
VDD
DAC8168ICPW DAC7568ICPW
TP5
www.ti.com Bill of Material and EVM Schematic
6.2 EVM Schematic
7
SLAU301–November 2009 DACxx68EVM
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