G1581 datasheet(1/1 Pages) GMT

Nome de Peças	G1581

Descrição Electrónicos	8 Channel Voltage Level Shifters for TFT LCD

PDF	1 Pages

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Fabricante Electrônico	GMT [Global Mixed-mode Technology Inc]

Página de início	http://www.gmt.com.tw

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Ver: 0.5

May 19, 2011

TEL: 886-3-5788833

http://www.gmt.com.tw

1

G1581

Global Mixed-mode Technology Inc.

8 Channel Voltage Level Shifters for TFT LCD

Features

0V to 6V Input Voltage Range

-10V to +35V Output Voltage Range

150mA Continuous Output Current (per channel)

500mA Peak Output Current (per channel)

Rise Time and Fall Time 12ns

Propagation Delay 25ns

100kHz Input Frequency

Ultra Low Quiescent Current

TSSOP-20 & TQFN4X4-20 Package Available

Applications

TFT-LCD panels

General Description

The G1581 consists of eight level shifters target to-

ward the needs of thin film transistor liquid crystal dis-

play (TFT LCD). The embedded level shifters can level

shift digital input signals to the output voltage levels

nearly equal to the supply voltages. It is capable of

+35V to -10V output voltage swing. The G1581 has

two positive power supplies VGH1 and VGH2, and

one negative power supply VGL. VGH1 and VGL are

the power supplies of the outputs 1 to 6. VGH2 and

VGL are the power supplies of the outputs 7 and 8.

This configuration enables the outputs 1 to 6 to pro-

vide slicing to the row drivers to reduce flicker, and the

outputs 7 and 8 to control possible supply lines. VGH2

should remain constant and it needs to be greater than

or equal to VGH1 at all times.

The G1581 is available in the TSSOP-20 & TQFN4X4-20

package.

Ordering Information

ORDER

NUMBER

MARKING

TEMP.

RANGE

PACKAGE

(Green)

G1581D51U

G1581

-40°C to 85°C

TSSOP-20

G1581R91U

1581

-40°C to 85°C

TQFN4X4-20

Note :D5 : TSSOP-20

R9: TQFN4X4-20

1: Bonding Code

U: Tape & Reel

Pin Configuration

Typical Application Circuit

(SSOP/TQFN Pin No.)

1/19

2/20

3/1

4/2

5/3

6/4

7/5

8/6

9/7

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

GND

IN2

IN3

IN4

IN5

IN6

IN7

IN8

G1581

TSSOP-20

13

20

19

18

17

16

15

5

6

7

8

9

10

1

4

3

2

14

IN1

OUT7

11

12

OUT8

VGL

VGH2

VGH1

GND

IN2

IN3

IN4

IN5

IN6

IN7

IN8

IN1

10/8

10µF0.1µF

11/9

VGL

VGH2

10µF

0.1µF

20/18

19/17

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT8

VGH1

CL1 100pF

OUT7

G1581

CL2 100pF

CL3 100pF

CL4 100pF

CL5 100pF

CL6

100pF

CL7

100pF

CL8 100pF

18/16

17/15

16/14

15/13

14/12

13/11

12/10

G1581 TQFN4X4-20

1

2

3

4

5

11

12

13

14

15

Thermal

Pad

IN2

IN3

IN5

IN6

IN4

OUT3

OUT4

OUT6

OUT7

OUT5

Note: Recommend connecting the Thermal Pad to

the Ground for excellent power dissipation.

1/19

2/20

3/1

4/2

5/3

6/4

7/5

8/6

9/7

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

GND

IN2

IN3

IN4

IN5

IN6

IN7

IN8

G1581

TSSOP-20

13

20

19

18

17

16

15

5

6

7

8

9

10

1

4

3

2

14

IN1

OUT7

11

12

OUT8

VGL

VGH2

VGH1

GND

IN2

IN3

IN4

IN5

IN6

IN7

IN8

IN1

10/8

10µF0.1µF

11/9

VGL

VGH2

10µF

0.1µF

20/18

19/17

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

OUT8

VGH1

CL1 100pF

OUT7

G1581

CL2 100pF

CL3 100pF

CL4 100pF

CL5 100pF

CL6

100pF

CL7

100pF

CL8 100pF

18/16

17/15

16/14

15/13

14/12

13/11

12/10

G1581 TQFN4X4-20

1

2

3

4

5

11

12

13

14

15

Thermal

Pad

IN2

IN3

IN5

IN6

IN4

OUT3

OUT4

OUT6

OUT7

OUT5

Note: Recommend connecting the Thermal Pad to

the Ground for excellent power dissipation.

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