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參數(shù)資料
| 型號： | TDA4886 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | 140 MHz video controller with I2C-bus |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 文件頁數(shù)： | 3/52頁 |
| 文件大?。?/td> | 495K |
| 代理商： | TDA4886 |
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1998 Nov 11
3
Philips Semiconductors
Product specification
140 MHz video controller with I
2
C-bus
TDA4886
1
FEATURES
140 MHz pixel rate
3.2 ns rise time, 4 ns fall time
I
2
C-bus control
I
2
C-bus data buffer for synchronization of adjustments
Grey scale tracking
On Screen Display (OSD) mixing with 50 MHz pixel rate
OSD contrast
Negative feedback for DC-coupled cathodes
Especially for AC-coupled cathodes
– Black level adaptable to kind of post amplifier
– Internal positive feedback
– DAC outputs for black level restoration.
Integrated black level storage capacitors
Beam current limiting
Subcontrast/contrast modulation
Pedestal blanking
Sync clipping.
2
GENERAL DESCRIPTION
The TDA4886 is a monolithic integrated RGB pre-amplifier
for colour monitor systems (e.g. 15" and 17") with I
2
C-bus
control and OSD. In addition to bus control, beam current
limiting and contrast modulation are possible. The signals
are amplified in order to drive commonly used video
modules or discrete solutions. Individual black level control
with negative feedback from the cathode (DC coupling) or
gradually adaptable black level control with positive
feedback and 3 DAC outputs for external cut-off control
(AC coupling) is possible.
With special advantages the circuit can be used in
conjunction with the TDA485X monitor deflection IC
family.
3
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA4886
SDIP24
plastic shrink dual in-line package; 24 leads (400 mil)
SOT234-1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA4886A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:140 MHz video controller with I2C-bus |
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