Datasheet

1 2 3 4 56
A
B
C
D
6
54321
D
C
B
A
ti
12500 TI Boulevard. Dallas, Texas 75243
Title:
SHEET: OF:
FILE: SIZE:
DATE:
REV:
10-Jan-2005
Drawn By:
Engineer:
Revision History
REV ECN Number Approved
DAC88x1_RevA.Sch
DOCUMENTCONTROL #
C1
0.1µF
C2
0.1µF
SCLK
VSS
VCC
C10
0.01µF
C9
0.01µF
W5
R8
2K
DAC_VOUT
VCC VDD
VDD
VCC
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
J4
FSX
CS
1 2
3 4
5 6
7 8
9 10
J6
C6
10µF
C4
10µF
DAC8801/11
A
1
J. PARGUIAN
VCC
R4
100
VSS
VSS
1
SDI
SCLK
SDI
CLKR
FSR
DR
1 2 3
J1
1 2 3
J3
VD2
+5VA -5VA VDD+3.3VD VD2 VD1
++
--
TP5
C3
470pF
TP6
1
2
3
4
J5
4X1X.1
W25
TP7
C8
0.01µF
CS
8
GND
6
IOUT
5
SDI
2
VREF
4
RFB
3
CLK
1
VDD
7
U1
DAC8801/11
REF
1
-IN
2
+IN
3
V-
4
Sense
5
Output
6
V+
7
NC
8
U3
INA105
VIN
2
GND
4
OUT
6
TRIM
5
TEMP
3
N/C
1
N/C
7
N/C
8
U2
REF102
R7
100K
R9
20K
R10
20K
Tantalum
R5
0
C5
0.1µF
C7
0.1µF
VSS
VCC
W1
TP1
EX_VREF (Max of ±15V AC or DC)
+10Vref
-10Vref
5
6
7
U4B
OPA2277U
2
3
1
84
U4A
OPA2277U
R1
0
R2
0
R3
0
W2
FSX
CE
CE
+
-
TP4
3
2
6
74
5
1
U5
OPA277U
C11
0.1µF
C13
0.1µF
VSS
VCC
+
+
-
-
DAC_VOUT
R6
10K
C12
1nF
W15
R12
10K
VOUT
RFB
IOUT
IOUT
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
20
17
19
18
J2
W3
DAC_IOUT
6461221
Use these terminals for
current output
Note: R1, R2 and R3
are not populated.
Note: R8 and C3 are
populated with the
values as indicated.
Replace R8 with 0
ohm jumper resistor
and do not populate
C3 if filtering is not
desired.
Note: Replace U5
amplifier with the
desired amplifier that
fits user's application
requirements.