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BUF20820

Category:LCD-gamma buffer
Product Name:18-channel gamma voltage generator with two programmable VCOM channels
Manufacturers:TI
Production Batch Number:07+
Encapsulation:38HTSSOP
Stock Status:There is stock
Stock Quantity:4000
Minimum order quantity: 1
Details:

Product introduction

This is a programmable reference voltage source BUF20820 gamma correction generator design TFT-LCD panel.It provides 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 the user to store gamma voltage on-chip.This eliminates the need for an external EEPROM.

This programmability replaces the traditional, time-consuming process of changing resistors to optimize various gamma voltages and allows designers to determine the correct gamma voltage to act on a panel very quickly.The required voltage changes are also easy to perform, without hardware changes.

Using titanium's latest BUF20820, 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 Corporation:
100mA IOUT
Compiled OTP memory of the sample
Digital resolution
Rail-to-rail output
Current: 900 μA low supply/ch.
7V 18V voltage: Yes supply
To 5.5V digital supply: 2.0V
Standardized, 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
- SOLUTIONS THAT REPLACE RESISTOR-BASED γ
- TFT - LCD Reference Driver
- Gamma controls dynamics

parameter

	BUF20820
# gamma buffer	18
# Wycombe Channel	2
Pair (Min)(V)	7
Pair (Max) (V)	18
Intelligence quotient (mA) per channel (stream)	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

andBUF20820Related ICs are:

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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