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Global Mixed-mode Technology
G1612
Programmable Vcom Buffer with NVM for TFT LCD
Features
„ Supply Operation Range : 6.5V to 18V
„ Rail-to-Rail Vcom Buffer:
Š 7 Bits Adjustable Output
Š ±100mA Output Current
Š ±260mA Output Short-Circuit Current
Š 20V/μs Slew Rate
„ 2-Wire I2C Slave Mode Interface
„ Using One Control Pin Enable to Store Data into
Non-Volatile Memory (NVM)
„ Non-Volatile Memory (NVM) Store Setting (at
Least 100 Re-Write Times)
„ TDFN3x3-10 Package
Ordering Information
ORDER
NUMBER
G1612RE1U
Note: RE:TDFN3X3-10
1: Bonding code
U: Tape & Reel
MARKING
1612
Applications
„ TFT-LCD Monitors
„ LCD Televisions
General Description
The G1612 is the programmable Vcom buffer target
toward the needs of thin film transistor liquid crystal
display (TFT LCD). This device incorporates one
Vcom buffer and are programmed through I2C inter-
face.
The G1612 is available in the TDFN3x3-10 package.
TEMP.
RANGE
-40°C to 85°C
PACKAGE
(Green)
TDFN3X3-10
Pin Configuration
Typical Application Circuit
G1612
AVDD 1
VCOM_OUT 2
AGND 3
VCOM_ADJ 4
SET 5
Thermal
Pad
1100 DGND
9 SCL
8 SDA
7 nWR
6 DVDD
TDFN3X3-10
Note: Exposed pad must be connected to AGND
AVDD
10µF
1 2 *10Ω
AVDD VCOM_OUT
10µF
DVDD
10µF
SCL 4.7kΩ
3.3V
SDA 4.7kΩ
3.3V
nWR 4.7kΩ
3.3V
6 DVDD
G1612
9
SCL
4
VCOM_ADJ
8
SDA
AVDD
200kΩ
200kΩ
7 nWR
5
SET
0.1µF
AGND DGND
3 10
24.9kΩ
* optional
Note: Exposed pad must be connected to AGND
Ver: 0.2
Jul 13, 2012
TEL: 886-3-5788833
http://www.gmt.com.tw
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