Datasheet

6
®
DAC7641
TYPICAL PERFORMANCE CURVES: V
SS
= 0V
At T
A
= +25°C, V
DD
= +5V, V
SS
= 0V, V
REFH
= +2.5V, V
REFL
= 0V, representative unit, unless otherwise specified.
3.0
2.0
1.0
0
–1.0
–2.0
–3.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
LE (LSB)DLE (LSB)
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(+25°C)
0000
H
2000
H
4000
H
6000
H
8000
H
Digital Input Code
A000
H
C000
H
E000
H
FFFF
H
3.0
2.0
1.0
0
–1.0
–2.0
–3.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
LE (LSB)DLE (LSB)
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(+85°C)
0000
H
2000
H
4000
H
6000
H
8000
H
Digital Input Code
A000
H
C000
H
E000
H
FFFF
H
3.0
2.0
1.0
0
–1.0
–2.0
–3.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
LE (LSB)DLE (LSB)
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(–40°C)
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)
–40–30–20–100 102030405060708090
ZERO-SCALE ERROR vs TEMPERATURE
UPO (mV)
Code (0040
H
)
2
1.5
1
0.5
0
–0.5
–1
–1.5
–2
Temperature (°C)
–40–30–20–100 102030405060708090
POSITIVE FULL-SCALE ERROR vs TEMPERATURE
Positive Full-Scale Error (mV)
Code (FFFF
H
)
0.14
0.12
0.10
0.08
0.06
0.04
0.02
0.00
V
REFH
CURRENT vs 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