Datasheet

DAC7642, DAC7643
11
SBAS233
www.ti.com
TYPICAL CHARACTERISTICS: V
SS
= 5V (Cont.)
At T
A
= +25°C, V
CC
= +5V, V
SS
= 5V, V
REF
H
= +2.5V, V
REF
L
= 2.5V, representative unit, unless otherwise specified.
5
4
3
2
1
0
1
2
3
4
5
R
LOAD
(k)
0.01
0.1
1 10 100
V
OUT
vs R
LOAD
V
OUT
(V)
Source
Sink
Time (2µs/div)
OUTPUT VOLTAGE vs SETTLING TIME
(2.5V to +2.5V)
Output Voltage
+5V
LDAC
0
Large-Signal Settling Time: 2V/div
Small-Signal Settling Time: 500µV/div
Time (2µs/div)
OUTPUT VOLTAGE vs SETTLING TIME
(+2.5V to 2.5V)
Output Voltage
+5V
LDAC
0
Large-Signal Settling Time: 2V/div
Small-Signal Settling Time:
500µV/div
3
2
1
0
1
2
3
Temperature (°C)
40 15 8510 35 60
NEGATIVE FULL-SCALE ERROR vs TEMPERATURE
Negative Full-Scale Error (mV)
DAC A
DAC B
Code (0000
H
)
1.00
0.75
0.50
0.25
0.00
0.25
0.50
0.75
1.00
SUPPLY CURRENT vs DIGITAL INPUT CODE
Supply Current (mA)
0000
H
2000
H
4000
H
I
CC
I
SS
6000
H
8000
H
Digital Input Code
A000
H
C000
H
E000
H
FFFF
H
No Load
1
0.5
0
0.5
1
1.5
SUPPLY CURRENT vs TEMPERATURE
Supply Current (mA)
I
SS
I
CC
Data = FFFF
H
(all DACs)
No Load
Temperature (°C)
40 15 10 35 60 85