參數(shù)資料
型號: AGT3209
廠商: Electronic Theatre Controls, Inc.
英文描述: Temperature Compensating Gamma Trimster TM ATT3209
中文描述: 溫度補(bǔ)償伽瑪Trimster商標(biāo)ATT3209
文件頁數(shù): 1/10頁
文件大?。?/td> 642K
代理商: AGT3209
Temperature Compensating Gamma Trimster ATT3209
Proprietary and Confidential
Rev 2/7/2005
Preliminary Information
FEATURES
9 Programmable Buffered Gamma
Correction Outputs (V
GMA
0 – V
GMA
8)
V
GMA
Output Range 0 to 14V
V
GMA
Output Accuracy Better Than 1% of
A
VDD
Reference
V
GMA
Output Drive > 100
μ
A
Nonvolatile Storage of 32 Gamma
Reference Providing
Dynamic Gamma Correction and Gamma
Correction Based on Programmed
Temperature Profiles
2 Programmable Buffered V
COM
Outputs
In System Programmability
Digital Programming Interface
APPLICATIONS
Yield Improvement through Gamma
Programming at Test
Simple Implementation of Dynamic Gamma
Compensation
LCD Panel Color Calibration
Optimized Temperature Dependent Gamma
Correction
DESCRIPTION
The ATT3209 is a programmable gamma
reference that is designed to address gamma
correction in high-resolution LCD panels.
The gamma voltage outputs are programmable
with their individual output values saved in a
nonvolatile analog storage cell. The storage
cells are arranged in a 9 x 32 array allowing
thirty-two gamma correction profiles to be
stored. Depending upon the application
requirements the ATT3209 is configured to
provide either two or three temperature
compensated Bank Select outputs that would be
used to drive the respective Bank Select inputs
of the AGT3209 Gamma Trimster.
In addition to the V
GMA
outputs there are two
programmable
V
COM
independent multiple V
COM
trim points to
minimize flicker on the LCD panel.
outputs
providing
Typical Application
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