DAC7631 - dreamm

TYPICAL PERFORMANCE CURVES: V SS = –5V
At T A = +25°C, V DD = V CC = +5V, V SS = –5V, V REFH = +2.5V, and V REFL = –2.5V, representative unit, unless otherwise specified.
LE (LSB)
DLE (LSB)
LE (LSB)
DLE (LSB)
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(+25°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000 H
2000 H
4000 H
6000 H
8000 H
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
A000 H
C000 H
E000 H
FFFF H
–2.0
0000 H
2000 H
4000 H
6000 H
8000 H
A000 H
C000 H
E000 H
FFFF H
Digital Input Code
Digital Input Code
V REFH
CURRENT vs CODE
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(–40°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000 H
2000 H
4000 H
6000 H
8000 H
Digital Input Code
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
0.30
0.25
0.20
0.15
0.10
0.05
A000 H
C000 H
E000 H
FFFF H
LE (LSB)
DLE (LSB)
V REF Current (mA)
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(+85°C)
0
0000 H
2000 H 4000 H 6000 H 8000 H A000 H C000 H E000 H FFFF H
Digital Input Code
0
V REFL
CURRENT vs CODE
2.0
BIPOLAR ZERO-SCALE ERROR vs TEMPERATURE
(Code 8000 H )
V REF Current (mA)
–0.05
–0.10
–0.15
–0.20
–0.25
Bipolar Zero-Scale Error (mV)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–0.30
0000 H
–2.0
2000 H
4000 H
6000 H
8000 H
A000 H
C000 H
E000 H
FFFF H –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90
Digital Input Code
Temperature (°C)
9
DAC7631
®