LM8207MT

更新时间： 2024-02-18 11:52:13

品牌	Logo	应用领域
美国国家半导体 - NSC		驱动器
页数	文件大小	规格书
22页	1389K
描述
TFT 18 Gamma Buffer + VCOM Driver + Voltage Reference

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LM8207MT 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Not Recommended	零件包装代码：	TSSOP
包装说明：	TSSOP,	针数：	48
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	5.1	模拟集成电路 - 其他类型：	ANALOG CIRCUIT
JESD-30 代码：	R-PDSO-G48	JESD-609代码：	e3
长度：	12.5 mm	湿度敏感等级：	2
功能数量：	1	端子数量：	48
最高工作温度：	105 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	座面最大高度：	1.2 mm
最大供电电压 (Vsup)：	16 V	最小供电电压 (Vsup)：	6 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	6.1 mm
Base Number Matches：	1

September 2005

LM8207

TFT 18 Gamma Buffer + V_COMDriver + Voltage Reference

General Description

Features

n Gamma buffers 1-2 swing to V_DD

The LM8207 is a combination of 18-channel gamma buffers,

a V_COMdriver and a temperature compensated internal volt-

age reference. It is designed for buffering voltage levels and

driving high capacitive loads in large TFT panels. The

gamma buffers are individually optimized to the input/output

requirements of their respective gamma position to cover the

whole voltage range from rail to rail. Any desired gamma

correction curve can be obtained by combining the gamma

buffers with external resistors. The V_COMdriver has a high

output current capability and is stable with large capacitive

loads, typical for large panel sizes. This will result in a fast

recovery time for large voltage variations at the output. The

internal band gap reference can be used to form a highly

stable voltage to generate the gamma correction voltages. In

combination with the internal amplifier, the reference voltage

can be programmed to voltages up to the positive rail. The

LM8207 is offered in a 48-pin TSSOP package.

n Gamma buffers 17-18 swing to V_SS

n Large output current V_COMdriver (I_SC= 300 mA)

n Stable (1%) internal 1.295V reference, to improve

picture quality and reduce variations

n 48-pin TSSOP package

Applications

n TFT gamma curve connection and V_COMvoltage

buffering

TFT Panel Block Diagram

20137926

DS201379

www.national.com

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