G1612 datasheet(1/1 Pages) GMT

Part #	G1612

Description	Programmable Vcom Buffer with NVM for TFT LCD

PDF	1 Pages

Scroll/Zoom	100%

Manufacturer	GMT [Global Mixed-mode Technology Inc]

Direct Link	http://www.gmt.com.tw

Logo

1 / 1 page

Ver: 0.2

Jul 13, 2012

TEL: 886-3-5788833

http://www.gmt.com.tw

1

G1612

Global Mixed-mode Technology

Programmable Vcom Buffer with NVM for TFT LCD

Features

Supply Operation Range : 6.5V to 18V

Rail-to-Rail Vcom Buffer:

7 Bits Adjustable Output

±100mA Output Current

±260mA Output Short-Circuit Current

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

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.

Ordering Information

ORDER

NUMBER

MARKING

TEMP.

RANGE

PACKAGE

(Green)

G1612RE1U

1612

-40°C to 85°C

TDFN3X3-10

Note: RE:TDFN3X3-10

1: Bonding code

U: Tape & Reel

Pin Configuration

Typical Application Circuit

TDFN3X3-10

4

G1612

1

2

3

8

7

6

SDA

5

9

10

VCOM_ADJ

TDFN3X3-10

4

1

2

3

8

7

6

AGND

AVDD

VCOM_OUT

DGND

nWR

5

9

10

SET

DVDD

Thermal

Pad

Note: Exposed pad must be connected to AGND

SCL

AVDD

VCOM_OUT

10

Ω

10µF

AVDD

200k

Ω

200k

Ω

AGND

DGND

SET

AVDD

10µF

DVDD

4.7k

Ω

SCL

3.3V

4.7k

Ω

SDA

3.3V

4.7k

Ω

nWR

3.3V

DVDD

10µF

*

* optional

0.1µF

VCOM_ADJ

24.9k

Ω

1

6

9

8

7

3

10

5

4

2

G1612

Note: Exposed pad must be connected to AGND

TDFN3X3-10

4

G1612

1

2

3

8

7

6

SDA

5

9

10

VCOM_ADJ

TDFN3X3-10

4

1

2

3

8

7

6

AGND

AVDD

VCOM_OUT

DGND

nWR

5

9

10

SET

DVDD

Thermal

Pad

Note: Exposed pad must be connected to AGND

SCL

AVDD

VCOM_OUT

10

Ω

10µF

AVDD

200k

Ω

200k

Ω

AGND

DGND

SET

AVDD

10µF

DVDD

4.7k

Ω

SCL

3.3V

4.7k

Ω

SDA

3.3V

4.7k

Ω

nWR

3.3V

DVDD

10µF

*

* optional

0.1µF

VCOM_ADJ

24.9k

Ω

1

6

9

8

7

3

10

5

4

2

G1612

Note: Exposed pad must be connected to AGND

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