Texas Instruments DAC7741 Evaluation Module DAC7741EVM DAC7741EVM 데이터 시트
제품 코드
DAC7741EVM
A
B
C
D
D
C
B
A
ti
12500 TI Boulevard. Dallas, Texas 75243
Title:
SHEET:
OF:
FILE:
SIZE:
DATE:
REV:
10-May-2005
Drawn By:
Engineer:
Revision History
REV
ECN Number
Approved
DAC7741_Sheet2.Sch
DOCUMENTCONTROL #
DAC7741
C
2
J. PARGUIAN
2
6443168
C1
0.1µF
0.1µF
C7
0.1µF
0.1µF
C2
0.1µF
0.1µF
VCC
R6
10K
R5
10K
VSS
2
3
6
4
7
1
5
U2
Op Amp
VCC
C10
0.01µF
C9
0.01µF
R12
10K
10K
W15
W14
C12
1nF
1
2
3
4
5
6
A
B
C
B
C
W13
CLD_OUT
W5
R8
0
GND
4
TRIM
5
NC
1
NC
7
NC
8
TEMP
3
OUT
6
V+
2
U3
REF102AU(8)
C11
10µF
10µF
C3
0.1µF
0.1µF
VCC
1
3
TP1
TP2
EXTERNAL
REFERENCE
1
2
3
R11
100K
R10
20K
20K
(exREFin)
1
2
3
R9
20K
20K
+5VD
W4
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
DB12
DB13
DB14
DB15
C6
10µF
10µF
C4
10µF
10µF
C5
10µF
10µF
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
1µF
R1
10K
10K
R2
10K
R7
0/5K/20K
0/5K/20K
W3
W8
W6
W9
Tantalum
C13
0.1µF
C14
10µF
2
3
1
8
4
U4A
OPA2227UA
R15
0
VCC
C15
0.1µF
0.1µF
REFen_B
[DB15..DB0]
OUTPUT
Control_Signals
DAC_VOUT
DAC_VOUT
Sum_Junc
Sum_Junc
exREFin
exREFin
DAC_VOUT
LDAC_B
R/W_B
RST_B
RSTSEL_B
RSTSEL_B
CS_B
+REFin
U2_VOUT
+REFin