Datasheet
www.ti.com
TYPICAL CHARACTERISTICS
−0.005
−0.004
−0.003
−0.002
−0.001
0
0.001
0.002
0.003
0.004
0.005
0
10000 20000 30000 40000 50000 60000
Digital Input Code
Total Unadjusted Error − V
−3
−2
−1
0
1
2
3
−40 −20 0 20 40 60 80 100
Gain
Full-Scale
Zero-Scale
V
DD
= 5.5 V
T
A
− Free-Air Temperature − °C
Error − mV
−5
0
5
10
15
20
25
30
35
40
−1 −0.4 0 0.4 1
T
A
= 25°C
Percentage − %
Offset Error − mV
−0.2−0.6−0.8 0.2 0.6 0.8
−3
−2
−1
0
1
2
3
−40 −20 0 20 40 60 80 100
Gain
Full-Scale
Zero-Scale
V
DD
= 3.6 V
T
A
− Free-Air Temperature − °C
Error − mV
DAC8544
SLAS420A – MAY 2004 – REVISED JUNE 2005
DEVICE INFORMATION (continued)
TERMINAL FUNCTIONS (continued)
DAC8544
Pin Mnemonic Function
46 VFBA Analog output sense for DAC-A
47 VREFA+ High reference voltage input for DAC-A
48 VREFA– Low reference voltage input for DAC-A, normally VREFA– = GND
This condition applies to all typical characteristics: V
REF+
= V
DD
, V
REF–
= GND, T
A
= 25°C (unless otherwise noted)
TOTAL UNADJUSTED ERROR ERROR
vs vs
DIGITAL INPUT CODE TEMPERATURE
Figure 1. Figure 2.
ERROR OFFSET ERROR DISTRIBUTION
vs (ACROSS MANY SAMPLES)
TEMPERATURE
Figure 3. Figure 4.
7