Texas Instruments DAC7741EVM - Manual (Page 28)

1 2 3 4 5 6
A
B
C
D
6 5 4 3 2 1
D
C
B
A
ti
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Title:
SHEET: OF: FILE: SIZE: DATE:
REV:
27-Sep-2002
Drawn By:
Engineer:
Revision History
REV ECN Number Approved
DAC7741.Sch
DOCUMENTCONTROL #
C1
0.1µF
C7
0.1µF
C2
0.1µF
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
VCC
DAC_VOUT
CS
R/W
LDAC
RST
RSTSEL
R6
10K
R5
10K
+15V
-15V
2
3
6
4
7
1
5
U2
Op Amp
W12
VCC
C10
0.01µF
C9
0.01µF
R12
10K
W15
W14
C12
1nF
1 2
3 4
5 6
A
B
C
W13
CLD_OUT
W5
R8
0
DAC_VOUT
GN
D
4
TRIM
5
NC
1
NC
7
NC
8
TEMP
3
OUT
6
V+
2
U3
REF102AU(8)
C11
10µF
C3
0.1µF
+15V
1
3
TP1
TP2
EXTERNAL
REFERENCE
1
2
3
R11
100K
R10
20K
(exREFin)
1
2
3
R9
20K
+15V -15V VCC
1 2
J11
VDD
VDD
-15V VCC +15V VDD
J5
W11
W4
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
J4
1 2 3 4
J10
exREFin
RSTSEL
RST
LDAC
R/W
CS
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
1 2
3 4
5 6
7 8
9 10
J6
1 2
3 4
5 6
7 8
9 10
J7
C6
10µF
C4
10µF
C5
10µF
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
J2
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
J3
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
J1
DAC7741
A
1
J. PARGUIAN
DB0
16
DB1
17
DB2
18
DB3
19
DB4
20
DB5
21
DB6
22
DB7
27
DB8
28
DB9
29
DB10
30
DB11
31
DB12
32
DB13
33
DB14
34
DB15
35
VDD
38
REFin
47
REFout
45
Vref
4
DGND
37
CS
41
R/W
42
LDAC
40
RST
39
RSTSEL
43
REFEN
44
REFadj
46
Roffset
5
AGND
6
AGND
7
RFB2
8
RFB1
9
SJ
10
Vout
11
TEST
26
VCC
3
VSS
2
U1
DAC7741
W2
W1
VSS
W7
W10
R3
100K
C8
1µF
R1
10K
R2
10K
R7
0/5K/20K
VDD
W3
R4
10K
W8
DAC_VOUT
Sum_Junc
Sum_Junc
exREFin
1 2
J12
VSS
VSS
+REFin
+REFin
W6
W9
Tantalum
REF_en
REF_en
1
C13
0.1µF C14
10µF
R13
10k
R14
10k
VDD
W16 W17
6443168