Datasheet

OPA602
8
SBOS155A
www.ti.com
VV
BB
B
B
VV V
VV
OUT
REF
REF
OUT
REF
=− + + + +






−≤ ≤+
≤≤−
12
3
12
2 4 8 4096
10 10
0
4095
4096
L
Where: B
N
= 1 if the B
N
digital input is high.
B
N
= 0 if the B
N
digital input is low.
APPLICATION CIRCUITS
FIGURE 2. Offset Voltage Trim. FIGURE 3. Voltage Output Digital-to-Analog Converter.
3
6
2
OPA602
5
1
4
7
+V
S
–V
S
(1)
±10mV Typical
Trim Range
2
OPA602
V
OUT
4 5 6 7 8 9 10 11 12 13 14 15
DAC7541A
16
17
V
REFERENCE
+15V
Out 2
R
F
Out 1
C
1
15pF
3
–V
CC
B
1
••••••••••B
12
MSB
1
18
Single-Point Ground
100k
Ω
FIGURE 4. Settling Time and Slew Rate Test Circuit.
Output
+15V
2kΩ
47pF
2kΩ
–15V
OPA602
High-Quality
Pulse Generator
Pulse In
±5V
2kΩ
1µF Tantalum
1µF Tantalum
+
+
2kΩ
51Ω
C
L
500pF
1µF
+
+
+
1µF
1µF
1µF
(2)
HP 5082-2835
+15V
1/2 2N5564
1/2 2N5564
–15V
+
510Ω
510Ω
50Ω
Error Out
±0.5mV
(0.01%)
NOTE: (1) 10kΩ to 1MΩ trim potentiometer (100kΩ recommended).