BUF08821 Datasheet, PDF (5/27 Pages) Texas Instruments – Programmable Gamma-Voltage Generator and VCOM Calibrator with Integrated Two-Bank Memory

www.ti.com ................................................................................................................................................. SBOS438C – AUGUST 2008 – REVISED AUGUST 2009
TYPICAL CHARACTERISTICS
At T_A = +25°C, V_S = +18V, V_SD = +2V, R_L = 1.5kΩ connected to ground, and C_L = 200pF, unless otherwise noted.
OUTPUT VOLTAGE vs OUTPUT CURRENT
(V_COM)
18.0
17.5
17.0
16.5
16.0
15.5
15.0
3.0
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75
100
125
150
Output Current (mA)
OUTPUT VOLTAGE vs OUTPUT CURRENT
(Channels 1–8)
18.0
17.5
17.0
16.5
16.0
Output Swing High
15.5
15.0
3.0
2.5
2.0
1.5
Output Swing High
1.0
0.5
0
0
25
50
75
100
125
150
Output Current (mA)
Figure 1.
Figure 2.
DIGITAL SUPPLY CURRENT vs TEMPERATURE
120
118
116
114
112
110
108
106
104
102
100
-50 -25
0
25
50
75
Temperature (°C)
100 125
Figure 3.
ANALOG SUPPLY CURRENT vs TEMPERATURE
5.5
5.0
4.5
4.0
3.5
3.0
-50 -25
0
25
50
75
Temperature (°C)
Figure 4.
100 125
9.020
9.015
OUTPUT VOLTAGE vs TEMPERATURE
10 Typical Units Shown
9.010
9.005
9.000
8.995
8.990
8.985
8.980
-50 -25
0
25
50
75
Temperature (°C)
Figure 5.
100 125
DIFFERENTIAL LINEARITY ERROR
0.15
0.10
0.05
0
-0.05
-0.10
-0.15
0
256
512
768
Input Code
Figure 6.
1024
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