Datasheet

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A
B
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54321
D
C
B
A
ti
12500 TI Boulevard. Dallas, Texas 75243
Title:
SHEET: OF:
FILE: SIZE:
DATE:
REV:
12-Feb-2004
Drawn By:
Engineer:
Revision History
REV ECN Number Approved
DAC7574 Rev A.Sch
DOCUMENTCONTROL #
C1
0.1µF
+5VA
SCLK
R6
10K
VSS
2
3
6
4
71
5
U2
Op Amp
VCC
C10
0.01µF
C9
0.01µF
R12
10K
C12
1nF
W5
R8
0
GND
4
TRIM
5
NC
1
NC
7
NC
8
TEMP
3
OUT
6
V+
2
U3
REF02AU(8)
C11
10µF
C3
0.1µF
VCC
1
2
3
R11
5K
R10
0
1
2
3
R9
20K
VCC VDD
12
34
56
78
910
1112
1314
1516
1718
1920
J4
OUTPUT HEADER
FSX
C5
10µF
DACx57x EVM
A
J. PARGUIAN
W7W8
VSS
+REFin
Tantalum
1
SDATA
CLKX
DX
CLKR
FSR
DR
R15 440
R16 440
R5
3K
R7
3K
R3
3K
R4
3K
-REFin
W2
OUT_A1
OUT_C1
OUT_B1
OUT_D1
OUT_A2
OUT_B2
OUT_C2
OUT_D2
OUT_A
OUT_B
OUT_C
OUT_D
TP3
VOUT
U2_+IN
U2_-IN
U2_OUT
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
20
17
19
18
J2
Serial Header
TP4
VCC = +15V Analog Max
VDD = +2.7V to +5.5V Digital Max
VSS = 0V to -15V Analog Max
1 2 3
J1
1 2 3
J5
+5VA
VCC
1 2
3 4
5 6
7 8
9 10
J6
VSS+5VA -5VA +5VD+3.3VD+1.8VD +3.3VA
GPIO0
GPIO1
SCL
SDA
GPIO2
GPIO3
GPIO4
GPIO5
(A1)
(A0)
SCLK
SDATA
R38
0
W1
Vana
W11
W12
W13
VoutB
2
A1
10
GND
3
VoutA
1
A0
9
VoutD
5
SDA
7
SCL
6
VDD
8
VoutC
4
U1
DAC7574
A0
6
VDD
3
SCL
5
GND
2
SDA
4
VOUT
1
U8
DAC7571
Vsup
Vsup
W9
W4
W6
TP2
TP1
R1
0
TP5 TP6
VOUT
4
VREF
2
VDD
1
GND
8
Vsense
3
SDA
7
SCL
6
A0
5
U4
DAC8571
R19
440
R20 440
R2
3K
R13
3K
VDD
(Address: nW=9A, R=9B)
(Address: nW=9C, R=9D)
R17
440
R18
440
SD1
SD2
SD3
SK1
SK2
SK3
R21
0
OUT_E
OUT_F
Ad_0
Ad_1
C2
0.1µF
C4
0.1µF
+VREF
+VREF
+VREF
TP9
TP8
R23
0
R22
0
W3
1
2
3
R14
10K
R24
100
W10
Vsense
R25
0
U4_VDD
When all DACs (U1, U4 &
U8) are installed, replace po
t
(R11) to 3.3K or less to
ensure correct supply of
current is available for all
parts.
VDD
(Addresses: nW=98, R=99)
( : nW=9E, R=9F)
6442488
W14
VDD
1