DAC8830-EP_16 Datasheet, PDF (15/32 Pages) Texas Instruments – 16-Bit, Ultra-Low Power, Voltage-Output Digital-to-Analog Converters

DAC8830-EP
DAC8831-EP
www.ti.com
SGLS334C – AUGUST 2006 – REVISED APRIL 2007
TYPICAL CHARACTERISTICS: V_DD = 3 V (continued)
At T_A = 25°C, V_REF = 2.5 V (unless otherwise noted)
1.00
0.75
0.50
0.25
0
−0.25
−0.50
−0.75
−1.00
0
LINEARITY ERROR
vs DIGITAL INPUT CODE
T_A = +25_ C
V_REF = 3 V
8192 16384 24576 32768 40960 49152 57344 65536
Digital Input Code
Figure 33.
1.00
0.75
0.50
0.25
0
−0.25
−0.50
−0.75
−1.00
0
DIFFERENTIAL LINEARITY ERROR
vs DIGITAL INPUT CODE
T_A = +25_C
V_REF = 3 V
8192 16384 24576 32768 40960 49152 57344 65536
Digital Input Code
Figure 34.
LINEARITY ERROR
vs REFERENCE VOLTAGE
0.75
0.50
0.25
DNL
0
−0.25
INL
−0.50
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Reference Voltage (V)
Figure 35.
GAIN ERROR
vs TEMPERATURE
1.00
0.75
Bipolar Mode
0.50
0.25
0
−0.25
Unipolar Mode
−0.50
−0.75
V_DD = 3 V
V_REF = 2.5 V
−1.00
−60 −40 −20 0 20 40 60 80 100 120 140
Temperature (_C)
Figure 36.
0.50
0.25
0
−0.25
−0.50
ZERO-CODE ERROR
vs TEMPERATURE
V_DD = 3 V
V_REF = 2.5 V
Bipolar Mode
Unipolar Mode
REFERENCE CURRENT
vs CODE (UNIPOLAR MODE)
300
V_REF = 1.5 V
250
200
150
100
50
−0.75
−60 −40 −20
0 20 40 60 80 100 120 140
Temperature (_C)
Figure 37.
0
0 8192 16384 24576 32768 40960 49152 57344 65536
Digital Input Code
Figure 38.
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