Datasheet

13
®
DAC7644
TYPICAL PERFORMANCE CURVES: V
SS
= –5V (CONT)
At T
A
= +25°C, V
DD
= V
CC
= +5V, V
SS
= –5V, V
REFH
= +2.5V, V
REFL
= –2.5V, representative unit, unless otherwise specified.
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
Temperature (°C)
–40 –25 8502555
ZERO-SCALE ERROR vs TEMPERATURE
(Code 8000
H
)
Zero-Scale Error (mV)
DAC B
DAC D
DAC A
DAC C
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
Temperature (°C)
–40 –25 8502555
POSITIVE FULL-SCALE ERROR vs TEMPERATURE
(Code FFFF
H
)
Positive Full-Scale Error (mV)
DAC B
DAC D
DAC A
DAC C
+0.6
+0.5
+0.4
+0.3
+0.2
+0.1
0.0
V
REFH
CURRENT vs CODE
(all DACs sent to indicated code)
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
0.0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
V
REFL
CURRENT vs CODE
(all DACs sent to indicated code)
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
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
Temperature (°C)
–40 –25 8502555
NEGATIVE FULL-SCALE ERROR vs TEMPERATURE
(Code 0000
H
)
Negative Full-Scale Error (mV)
DAC D
DAC B
DAC A
DAC C
3
2.5
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
–2.5
–3
Temperature (°C)
–40 –25 8502555
POWER SUPPLY CURRENT
vs TEMPERATURE
I
Q
(mA)
I
CC
I
SS
Data = FFFF
H
(all DACs)
No Load