DAC667JP BURR-BROWN [Burr-Brown Corporation], DAC667JP Datasheet - Page 7

• Manufacturer Part Number: DAC667JP
• Description: Microprocessor-Compatible 12-BIT DIGITAL-TO-ANALOG CONVERTER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

FIGURE 5. Power Supply, Gain and Offset Connections.
FIGURE 6. Output Amplifier Voltage Range Scaling Circuit.
FIGURE 7. 0 to +10V Unipolar Voltage Output.
V
OUT
9.95k
–V
I
I
DAC
DAC
+V
CC
CC
(3)
Summing
100
Junction
100
0.01µF
0.01µF
3
5k
5k
(1)
5k
10
11
12
13
14
1
2
3
4
5
6
7
8
9
Summing Junction
10V Span
20V Span
10V Span
Sum Jct.
Bipolar Off.
AGND
V
V
+V
V
–V
CS
A3
A2
A1
20V Span
10V Span
REF OUT
REF IN
OUT
AGND
CC
EE
Bipolar
Offset
2
V
OUT
Bipolar
4
1
2
3
9
5
Pwr Gnd
9.95k
5k
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
A0
28
27
26
25
24
23
22
21
20
19
18
17
16
15
100k
100
4
1
9
5
Increase
MSB
LSB
V
Bipolar
Offset
V
OUT
20V Span
AGND
50k
OUT
–V
0 to +10V
+V
+V
–V
CC
EE
(2)
50k
CC
CC
V
–V
OUT
+V
CC
CC
(3)
100k
100
7
100
0.01µF
0.01µF
FIGURE 8. 5V Bipolar Voltage Output.
MICROCOMPUTER
BUS INTERFACING
8-BIT BUS INTERFACE
The DAC667 interfaces easily to 8-bit microprocessor sys-
tems of all types. The control logic makes possible the use
of right- or left-justified data formats. Data formats for 8-bit
buses are illustrated in Figure 9.
9.95k
I
(1)
DAC
10
11
12
13
14
1
2
3
4
5
6
7
8
9
20V Span
10V Span
Sum Jct.
Bipolar Off.
AGND
V
V
+V
V
–V
CS
A3
A2
A1
REF OUT
REF IN
OUT
CC
EE
Unipolar
Pwr Gnd
5k
5k
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
A0
Summing Junction
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Bipolar Offset
20V Span
10V Span
V
MSB
LSB
AGND
REF OUT
V
DAC667
OUT
6
4
1
2
3
9
5
NOTES:
(1) 10µF tantalum for
(2) Unipolar offset adjust is
(3) For the ceramic pack-
optimum settling
performance.
not necessary in most
applications.
age, the lid is connec-
ted to –V
100
CC
Decrease
.
V
±5V
OUT
®