ADD8506 Analog Devices, ADD8506 Datasheet - Page 6

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ADD8506

Manufacturer Part Number
ADD8506
Description
Manufacturer
Analog Devices
Datasheet

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ADD8506
APPLICATIONS
The ADD8506 has CMOS buffers with A/B inputs to select
between two different reference voltages set up by an external
resistor ladder. Input bias currents are orders of magnitude less
than competitive parts. This allows the use of a very large
resistor ladder to save supply current.
The buffer outputs are designed to drive resistive or capacitive
loads. Therefore, to attain the best display performance, do not
use resistors in series with these outputs. Outputs have high
slew rates and 6 μs settling times. Each output delivers a
minimum of 120 mA, ensuring a fast response to varying loads.
NOTES
1. RAx RESISTORS ARE USED TO SET POSITIVE INVERSION GAMMA VOLTAGES.
2. RBx RESISTORS ARE USED TO SET NEGATIVE INVERSION GAMMA VOLTAGES.
0.1μF
RA1
RA2
RA3
RA4
RA5
RA6
RA7
5V
RB1
RB2
RB3
RB4
RB5
RB6
RB7
5V
0.1μF
Figure 7. Typical Application
10
10
10
11
12
1
2
3
4
5
6
7
8
9
Rev. 0 | Page 6 of 8
(INVERTING SIGNAL)
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23
22
21
20
19
18
17
16
15
14
13
Power supply pins on the ADD8506 have multiple ground
(GND) and supply (V
currents that these buffers deliver, it is recommended that all
GND and V
Table 5. MUX Function
A/B Select
Logic High
Logic Low
VCOM
0.1μF
CC
5V
pins be connected and suitably bypassed.
TO COLUMN
DRIVERS
CC
) connections. Because of the high peak
Input
INAx
INBx

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