BUF22821 Datasheet, PDF (6/25 Pages) Texas Instruments – Programmable Gamma-Voltage Generator and VCOM Calibrator with Integrated Two-Bank Memory

BUF22821
SBOS399 – JUNE 2007
www.ti.com
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_COM1 and V_COM2)
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)
Figure 1.
OUTPUT VOLTAGE vs OUTPUT CURRENT
(Channels 1–22)
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)
Figure 2.
OUTPUT VOLTAGE vs OUTPUT CURRENT
(STATOUTL)
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)
Figure 3.
OUTPUT VOLTAGE vs OUTPUT CURRENT
(STATOUTH)
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)
Figure 4.
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 5.
ANALOG SUPPLY CURRENT vs TEMPERATURE
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
9.5
-50 -25
0
25
50
75
Temperature (°C)
100 125
Figure 6.
6
Submit Documentation Feedback