BUF08821 Datasheet, PDF (4/27 Pages) Texas Instruments – Programmable Gamma-Voltage Generator and VCOM Calibrator with Integrated Two-Bank Memory

SBOS438C – AUGUST 2008 – REVISED AUGUST 2009 ................................................................................................................................................. www.ti.com
PIN CONFIGURATION
PWP PACKAGE
HTSSOP-28
(TOP VIEW)
V_COM 1
OUT1 2
OUT2 3
OUT3 4
OUT4 5
V_S 6
(2)
GND_A
7
V_SD 8
SCL 9
SDA 10
20
(1)
NC
19 OUT8
18 OUT7
17 OUT6
16
(2)
GND_A
15 V_S
14 OUT5
13
(2)
GND_D
12 BKSEL
11 A0
(1) NC = no connection.
(2) GND_A and GND_D must be connected together.
PIN #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
NAME
V_COM
OUT1
OUT2
OUT3
OUT4
V_S
GND_A
V_SD
SCL
SDA
A0
BKSEL
GND_D
OUT5
V_S
GND_A
OUT6
OUT7
OUT8
NC
PIN DESCRIPTIONS
DESCRIPTION
V_COM channel
DAC output 1
DAC output 2
DAC output 3
DAC output 4
V_S connected to analog supply
Analog ground; must be connected to digital ground (GND_D)
Digital supply; connect to logic supply
Serial clock input; open-drain, connect to pull-up resistor
Serial data I/O; open-drain, connect to pull-up resistor
A0 address pin for I²C address; either connect to logic 1 or logic 0 (see Table 1)
Selects memory bank 0 or 1; either connect to logic 1 to select bank 1 or logic 0 to select bank 0
Digital ground; must be connected to analog ground at the BUF08821
DAC output 5
V_S connected to analog supply
Analog ground
DAC output 6
DAC output 7
DAC output 8
This pin is not internally connected
4
Submit Documentation Feedback
Product Folder Link(s): BUF08821
Copyright © 2008–2009, Texas Instruments Incorporated