DAC8574 Datasheet, PDF (7/40 Pages) Texas Instruments – QUAD, 16-BIT, LOW-POWER, VOLTAGE OUTPUT, I2C INTERFACE DIGITAL-TO-ANALOG CONVERTER

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TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, unless otherwise noted.
LINEARITY ERROR AND DIFFERENTIAL
LINEARITY ERROR vs DIGITAL INPUT CODE
64
48
32
Channel C
16
0
- 16
- 32
- 48
- 64
V_DD = 2.7 V
1
0.5
0
- 0.5
-1
0000_H 2000_H 4000_H 6000_H 8000_H A000_H C000_H E000_H FFFF_H
Digital Input Code
Figure 7.
ZERO-SCALE ERROR
vs TEMPERATURE
14
12
CH D
10
8
CH A
CH B
6
CH C
4
2
0
- 40
V_DD = V_REF = 5 V
- 10
20
50
80
110
T_A - Free-Air Temperature - °C
Figure 9.
15
10
5
CH B
0
FULL-SCALE ERROR
vs TEMPERATURE
CH D
To avoid clipping of the output signal
during the test, VREF = VDD - 10 mV,
V_DD = 5 V, V_REF = 4.99 V
-5
CH A
- 10
CH C
- 15
- 40
- 10
20
50
80
110
T_A - Free-Air Temperature - °C
Figure 11.
DAC8574
SLAS377A – JANUARY 2003 – REVISED JUNE 2003
LINEARITY ERROR AND DIFFERENTIAL
LINEARITY ERROR vs DIGITAL INPUT CODE
64
48
32
Channel D
16
0
- 16
- 32
- 48
- 64
V_DD = 2.7 V
1
0.5
0
- 0.5
-1
0000_H 2000_H 4000_H 6000_H 8000_H A000_H C000_H E000_H FFFF_H
Digital Input Code
Figure 8.
ZERO-SCALE ERROR
vs TEMPERATURE
10
8
CH D
6
4
CH A
CH B
2
0
-2
- 40
CH C
V_DD = V_REF = 2.7 V
- 10
20
50
80
110
T_A - Free-Air Temperature - °C
Figure 10.
15
10
CH D
5
FULL-SCALE ERROR
vs TEMPERATURE
To avoid clipping of the output signal
during the test, VREF = VDD - 10 mV,
V_DD = 2.7 V, VREF = 2.69 V
CH A
0
CH B
-5
- 10
CH C
- 15
- 40
- 10
20
50
80
110
T_A - Free-Air Temperature - °C
Figure 12.
7