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ADD8702ACP-R2 PDF预览

ADD8702ACP-R2

更新时间: 2024-01-13 17:52:47
品牌 Logo 应用领域
亚德诺 - ADI 显示驱动器驱动程序和接口接口集成电路
页数 文件大小 规格书
8页 223K
描述
12-Channel Gamma Buffers with Vcom Buffer

ADD8702ACP-R2 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:QFN
包装说明:MO-220-VHHD, LFCSP-32针数:32
Reach Compliance Code:unknown风险等级:5.76
接口集成电路类型:LIQUID CRYSTAL DISPLAY DRIVERJESD-30 代码:S-XQCC-N32
JESD-609代码:e0长度:5 mm
湿度敏感等级:NOT SPECIFIED复用显示功能:NO
功能数量:1区段数:12
端子数量:32最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:VQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, VERY THIN PROFILE峰值回流温度(摄氏度):NOT APPLICABLE
认证状态:COMMERCIAL座面最大高度:1 mm
最大供电电压:16 V最小供电电压:7 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:TIN LEAD端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT APPLICABLE宽度:5 mm
Base Number Matches:1

ADD8702ACP-R2 数据手册

 浏览型号ADD8702ACP-R2的Datasheet PDF文件第2页浏览型号ADD8702ACP-R2的Datasheet PDF文件第3页浏览型号ADD8702ACP-R2的Datasheet PDF文件第4页浏览型号ADD8702ACP-R2的Datasheet PDF文件第5页浏览型号ADD8702ACP-R2的Datasheet PDF文件第6页浏览型号ADD8702ACP-R2的Datasheet PDF文件第7页 
12-Channel Gamma Buffers  
with VCOM Buffer  
ADD8702  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Programmable 12-Channel Gamma Reference Generator  
Mask Programmable Adjustable VCOM Buffer  
Upper/Lower Outputs Swing to VDD/GND  
Continuous Output Current: 10 mA  
32 31 30 26 28 27 26 25  
V
COM Peak Output Current: 250 mA  
V
1
2
3
4
5
6
7
8
24  
23  
22  
21  
20  
Outputs with Fast Settling Time for Load Change  
Output Pins Are Compatible with ADD8701  
Single-Supply Operation: 7 V to 16 V  
Supply Current: 15 mA Max  
DD  
GND  
V
ADJ  
HIGH  
V
COM  
DD  
V
VGMA6  
VGMA5  
VGMA4  
V
V
11  
10  
IN  
IN  
V
V
V
9
19 VGMA3  
18 VGMA2  
17 VGMA1  
APPLICATIONS  
TFT LCD Panels  
IN  
8
IN  
IN  
7
9
10 11 12 13 14 15 16  
GENERAL DESCRIPTION  
The ADD8702 is a low cost, mask programmable, 12-channel  
gamma reference generator, plus an adjustable VCOM driver. This  
part is designed to provide gamma correction for high resolution  
TFT LCD panels. The 12 gamma reference levels and VCOM are  
mask programmable to 0.3% resolution using the on-chip 500  
chain resistor string. This reduces component and board costs.  
The output pins are compatible with the ADD8701. This allows  
for single board design and fast turns for prototyping using the  
initial ADD8701 board design.  
The ADD8702 is specified over the temperature range of –40°C  
to +85°C and comes in the 32-lead lead frame chip scale pack-  
age (LFCSP) for compact board space.  
The ADD8702 provides a complete programmed set of gamma  
voltage references for the LCD source drivers. These references  
settle quickly to load change. The VCOM output is stable with  
high capacitive loads and can source or sink 250 mA peak cur-  
rent. The VCOM output level can be adjusted using an external  
trim-potentiometer or discrete resistors.  
PANEL  
TIMING  
CONTROLLER  
ADD8702  
TIMING AND CONTROL  
GAMMA  
REFERENCE  
VOLTAGES  
GAMMA  
SCAN DRIVER CONTROL  
V
COM  
SOURCE DRIVER  
SOURCE DRIVER  
NO. 2  
SOURCE DRIVER  
NO. 1  
NO. 8  
384  
384  
384  
R
G
B
TFT COLOR PANEL  
SCAN  
DRIVERS  
768  
1024 768  
Figure 1. Typical SVGA TFT LCD Application  
REV. 0  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective companies.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  

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