BUF20820

所属类别：LCD-伽马缓冲器
产品名称：具有两个可编程 Vcom 通道的 18 通道伽马电压生成器
厂商：TI
生产批号：07+
封装：38HTSSOP
库存状态：有库存
库存量：4000
最低订购量：1
详细资料：

Product Introduction

This is a programmable reference voltage source BUF20820 gamma correction generator design TFT-LCD panel.It offers 18 programmable outputs for gamma correction and two channels, each with digital Wycombe adjusted resolution.It provides one-time programming (net) memory of the sample. It allows users to store gamma voltages on the chip.This eliminates the need for external EEPROMs.

The programmable replaces the traditional, time-consuming process of changing resistance, optimizing various gamma voltages and allowing designers to determine the correct gamma voltage acting on a panel very quickly.The required voltage change is also easy to perform without hardware changes.

Featuring the latest BUF20820 of titanium, small-geometry simulates the CMOS process, which makes it a very competitive option for more than just evaluating mass production.

characteristic

18-CHANNEL gamma correction
2-channel programmable Wycombe:
100mA IOUT
Compilation OTP memory of samples
Digital resolution
Rail-to-rail output
Current: 900μA low supply/ch.
7V 18V voltage: to supply
Digital supply to 5.5V: 2.0V
Standardization, second line
Interface of 3.4MHz high-speed mode:
High anti-static rating:
4kV constant, applied to 1kV CDM, 200V mm
Demo boards and software provided
apply
- Alternative solution to RESISTOR-BASEDγ
- TFT - LCD Reference Driver
- Gamma controls dynamics

parameter

	BUF20820
#伽玛缓冲器	18
#威科姆公司渠道	2
Pair (Min) (V)	7
Pair (Highest) (V)	18
Intelligence per channel (stream) (mA)	0.9
Vcom-Output Current (current) (mA)	100
Gamma-Output Current (current) (mA)	100
Operating temperature range (°C)	- 40 to 85
Pin/Pack	38HTSSOP
Count it	2、18

ICs related to BUF20820 include:

Model	Manufacturers	lot number	encapsulation	illustrate
BUF20820	TI	07+	38HTSSOP	18-channel gamma voltage generator with two programmable Vcom channels
BUF20820AIDCPRE4	TI	0730+	TSSOP-38

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BUF20820

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