Texas Instruments DAC8871EVM - DAC8871EVM Evaluation Module DAC8871EVM DAC8871EVM Datenbogen
Produktcode
DAC8871EVM
A
B
C
D
D
C
B
A
ti
12500 TI Boulevard. Dallas, Texas 75243
Title:
SHEET:
OF:
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DATE:
REV:
24-Sep-2007
Drawn By:
Engineer:
Revision History
REV
ECN Number
Approved
DAC8871_Rev_A.Sch
DOCUMENTCONTROL #
C5
0.1µF
0.1µF
VCC
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
13 14
15 16
17 18
19 20
J1
1
2
3
4
5
6
7
8
9
10
J3
C2
10µF
10µF
DAC8871 EVM
A
1
Jojo Parguian
VSS
1
+5VA
-5VA
+5VD
+3.3VD VD2
VD1
C7
0.1µF
C10
0.1µF
W6
6488682
R6
10K
10K
Jojo Parguian
1
2
3
4
5
6
7
8
9
10
11 12
13 14
15 16
17 18
19 20
13 14
15 16
17 18
19 20
J2
VDD
VCC
VSS
VDD
R1
100
C1
DNP
DNP
C4
10µF
10µF
C3
10µF
10µF
TP6
TP5
EXT_REF_INP
2
Prototype
JLP
Other Op-Amps
Recommended:
OPA277
Recommended:
OPA277
SO-8
CS
12
SDI
14
SCLK
13
LDAC
15
DGND
16
AG
N
D
4
VD
D
9
Vr
ef
H
S
6
Vr
ef
H
F
5
Vout
1
Vref
LS
7
Vref
LF
8
VC
C
2
VSS
3
RS
T
11
R
S
TSEL
10
U1
DAC8871SPW
R9
6.2K
VCC
VSS
C8
0.1µF
C9
0.1µF
W2
W4
R11
10K
R10
10K
VDD
C14
0.1µF
VCC
REF
1
-IN
2
+IN
3
V-
4
Sense
5
Output
6
V+
7
NC
8
U4
INA105
VIN
2
GND
4
OUT
6
TRIM
5
TEMP
3
N/C
1
N/C
7
N/C
8
U3
REF102
REF102
R3
DNP
DNP
R8
DNP
DNP
C6
0.1µF
0.1µF
C15
0.1µF
0.1µF
VSS
VCC
W3
TP1
+REF
-REF
+
C12
1uF
R5
DNP
DNP
R7
DNP
DNP
R2
DNP
DNP
R4
DNP
VCC
W1
1
2
W7
1
2
W8
R26
0 ohm
0 ohm
R27
3K
C13
0.1µF
0.1µF
TP2
W5
EXT_REF_INM
3
2
6
7
4
U2
OPA211
2
3
1
4
11
U5A
OPA4227UA
5
6
7
U5B
OPA4227UA
10
9
8
U5C
OPA4227UA
12
13
14
U5D
OPA4227UA
C11
0.1µF
VSS
W9
VDD
DAC8871EVM BOM = 6488680
DAC8871EVM PWB = 6488681
DAC8871EVM DDB (BLOCK) = 6488682
DAC8871EVM PCA = 6488683
DAC8871EVM KIT (BLOCK) = 6488684
DAC8871EVM SFT = 6488685
DAC8871EVM PWB = 6488681
DAC8871EVM DDB (BLOCK) = 6488682
DAC8871EVM PCA = 6488683
DAC8871EVM KIT (BLOCK) = 6488684
DAC8871EVM SFT = 6488685
NOTES:
(1) U5B and RP1 should only be utilize as replacement circuit
When INA105 is not available. See BOM for assembly
instructions.
(1) U5B and RP1 should only be utilize as replacement circuit
When INA105 is not available. See BOM for assembly
instructions.
RP1
25K
U3_+10V
U3_+10V
# See Note (1) In this schematic
TP4
TP3
R12
50
50
TP7
RST
R13
0
R14
0
0
A
Production Release
JLP
GPIO2/TOUT
GPIO1/INT
CS
SCLK
SCLK
FS
SDI