Datasheet

8
®
DAC7644
TYPICAL PERFORMANCE CURVES: V
SS
= 0V (CONT)
At T
A
= +25°C, V
DD
= V
CC
= +5V, V
SS
= 0V, V
REFH
= +2.5V, V
REFL
= 0V, 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
UPO (mV)
DAC C
DAC A
DAC D
DAC B
Code (0040
H
)
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
Temperature (°C)
–40 –25 8502555
FULL-SCALE ERROR vs TEMPERATURE
Positive Full-Scale Error (mV)
DAC C
DAC A
DAC B
DAC D
Code (FFFF
H
)
0.30
0.25
0.20
0.15
0.10
0.05
0.00
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
0.00
–0.05
–0.10
–0.15
–0.20
–0.25
–0.30
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
Temperature (°C)
–40 –25 8502555
POSITIVE SUPPLY CURRENT vs TEMPERATURE
I
CC
(mA)
Data = FFFF
H
(all DACs)
No Load
2
1.5
1
0.5
0
Digital Input Code
0000
H
0200
H
0400
H
0800
H
1000
H
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
All DACs
One DAC