DAC8806 Datasheet, PDF (11/20 Pages) Texas Instruments – 14-Bit, Parallel Input Multiplying Digital-to-Analog Converter

DAC8806
www.ti.com
SBAS385A – APRIL 2006 – REVISED JUNE 2006
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, unless otherwise noted.
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
1.8
INTEGRAL NONLINEARITY vs
V_DD UNIPOLAR MODE
V_REF = 10V
V_REF = 2.5V
2.3 2.8 3.3 3.8 4.3 4.8
V_DD (V)
Figure 31.
5.3 5.5
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
1.8
INTEGRAL NONLINEARITY vs
V_DD BIPOLAR MODE
V_REF = 10V
V_REF = 2.5V
2.3 2.8 3.3 3.8 4.3 4.8
V_DD (V)
Figure 32.
5.3 5.5
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
1.8
DIFFERENTIAL NONLINEARITY vs
V_DD UNIPOLAR MODE
V_REF = 10V
V_REF = 2.5V
2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.5
V_DD (V)
Figure 33.
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
1.8
DIFFERENTIAL NONLINEARITY vs
V_DD BIPOLAR MODE
V_REF = 10V
V_REF = 2.5V
2.3 2.8 3.3 3.8 4.3 4.8 5.3 5.5
V_DD (V)
Figure 34.
BIPOLAR MULTIPLYING MODE THD
vs FREQUENCY
-45
Code 3FFFh
-55 ^{VREF = 6VRMS}
V_DD = +5V
-65 ^{Two OPA627s}
C₁ = 20pF
-75
500kHz Filter
80kHz Filter
30kHz Filter
-85
-95
-105
-115
10
100
1000
Frequency (Hz)
Figure 35.
10k 20k 30k
BIPOLAR MULTIPLYING MODE THD
vs FREQUENCY
-45
Code 0000h
-55 ^{VREF = 6VRMS}
V_DD = +5V
-65 ^{Two OPA627s}
C₁ = 20pF
-75
500kHz Filter
80kHz Filter
30kHz Filter
-85
-95
-105
-115
10
100
1000
Frequency (Hz)
Figure 36.
10k 20k 30k
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