BUF08832 Datasheet, PDF (5/30 Pages) Texas Instruments – Programmable Gamma-Voltage Generator and High Slew Rate VCOM with Integrated Two-Bank Memory

BUF08832
www.ti.com .......................................................................................................................................... SBOS476B – AUGUST 2009 – REVISED SEPTEMBER 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)
20
18
16
14
12
10
8
6
4
2
0
0 50 100 150 200 250 250 250 400
Output Current (mA)
OUTPUT VOLTAGE vs OUTPUT CURRENT
(Channels 1–8)
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
Output Swing High
Output Swing Low
25
50
75
100
125
150
Output Current (mA)
Figure 1.
Figure 2.
20
18
16
14
12
10
8
6
4
2
0
0
V_COM OUTPUT VOLTAGE vs CODE
Code 960
V_COM output voltage limited to
codes 0 through 960.
128 256 384 512 640 768 896 1024
Code
Figure 3.
ANALOG SUPPLY CURRENT HISTOGRAM
1200
1000
800
600
400
200
0
7.0
7.5
8.0
8.5
9.0
9.5 10.0
Analog Supply Current (mA)
Figure 4.
ANALOG SUPPLY CURRENT vs TEMPERATURE
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
-50 -25
0
25
50
75
Temperature (°C)
100 125
Figure 5.
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 6.
100 125
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Product Folder Link(s): BUF08832
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