BUF20800-Q1 Datasheet, PDF (8/32 Pages) Texas Instruments – 18-CHANNEL GAMMA VOLTAGE GENERATOR WITH TWO PROGRAMMABLE VCOM CHANNELS

BUF20800-Q1
SBOS571 – AUGUST 2011
www.ti.com
V_COM1
BUF20800-Q1
(1)
1 V_{COM OUT2}
V_{COM OUT1} 38
V_S
2 REFH ⁽³⁾
REFL⁽³⁾ 37
(1)
V_COM2
V_S
3 NC
NC 36
Source
Driver
(1)
(1)
(1)
(1)
(1)
(1)
4 NC
5 OUT1
6 OUT2
7 OUT3
8 OUT4
9 OUT5
10 OUT6
NC 35
REFL OUT 34
OUT18 33
OUT17 32
OUT16 31
OUT15 30
OUT14 29
(1)
(1)
(1)
(1)
(1)
Source
Driver
V_S
Source
Driver
11 GNDA(2)
100nF
12
10mF
V_S
(1)
13 OUT7
(1)
14 OUT8
(1)
15 OUT9
16 REFH OUT
GND_A(2) 28
V_S 27
OUT13 26
OUT12 25
OUT11 24
100nF
(1)
V_S
10mF
(1)
(1)
Source
Driver
(1)
OUT10 23
3.3V
1mF
17
100nF
V_SD
Timing
Controller
18 SCL
19 SDA
GND_D(2) 22
LD 21
AO 20
(1) _{RC combination optional.}
(2) _{GNDA and GNDD must be connected together.}
(3) _{Connecting a capacitor to this node is not recommended.}
Figure 8. Typical Application Configuration
8
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