Datasheet

8
®
DAC7744
TYPICAL PERFORMANCE CURVES: V
SS
= 0V (Cont.)
At T
A
= +25°C, V
DD
= +5V, V
CC
= +15V, V
SS
= 0, V
REF
H = +10V, and V
REF
L = 0V, representative unit, unless otherwise specified.
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
Temperature (°C)
–40 –30 –10 0–20 10 20 40 5030 70 80 9060
ZERO-SCALE ERROR vs TEMPERATURE
Zero-Scale Error (mV)
DAC A
DAC D
DAC B
DAC C
Code (0040
H
)Code (0021
H
)
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
Temperature (°C)
–40 –30 –10 0–20 10 20 40 5030 70 80 9060
FULL-SCALE ERROR vs TEMPERATURE
Positive Full-Scale Error (mV)
DAC A
DAC D
DAC B
DAC C
Code (FFFF
H
)
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
0
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
V
REF
Current (mA)V
REF
Current (mA)
CURRENT vs CODE
All DACS Sent to Indicated Code
(DAC C and D)
V
REFH
V
REFL
0000
H
2000
H
4000
H
6000
H
8000
H
Digital Input Code
A000
H
C000
H
E000
H
FFFF
H
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
Digital Input Code
0 2000
H
4000
H
6000
H
8000
H
A000
H
C000
H
E000
H
FFFF
H
POSITIVE SUPPLY CURRENT
vs DIGITAL INPUT CODE
I
CC
(mA)
No Load
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
0
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
V
REF
Current (mA)V
REF
Current (mA)
0000
H
2000
H
4000
H
6000
H
8000
H
Digital Input Code
A000
H
C000
H
E000
H
FFFF
H
CURRENT vs CODE
All DACs Sent to Indicated Code
(DAC A and B)
V
REFH
V
REFL
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–0.5
Temperature (°C)
–40 –30 –10 0–20 10 20 40 5030 70 80 9060
POWER SUPPLY CURRENT vs TEMPERATURE
Quiescent Current (mA)
I
CC
I
DD
Data = FFFF
H
(all DACs)
No Load