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TDA4885 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. TDA4885
Description  150 MHz video controller with I2C-bus
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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 2 page
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1997 Nov 25
2
Philips Semiconductors
Product speciļ¬cation
150 MHz video controller with I2C-bus
TDA4885
CONTENTS
1
FEATURES
2
GENERAL DESCRIPTION
3
ORDERING INFORMATION
4
QUICK REFERENCE DATA
5
BLOCK DIAGRAM
6
PINNING
7
FUNCTIONAL DESCRIPTION
7.1
Signal input stage
(input clamping, blanking and clipping)
7.2
Electronic potentiometer stages
7.2.1
Contrast control (driven by I2C-bus, 6-bit DAC)
7.2.2
Brightness control (driven by I2C-bus, 6-bit
DAC)
7.2.3
Gain control (driven by I2C-bus, 6-bit DAC) and
grey scale tracking
7.3
Output stage
7.4
Pedestal blanking
7.5
Output clamping, feedback references and
DAC outputs
7.6
Clamping and blanking pulses
7.7
On Screen Display (OSD)
7.8
Limiting by contrast reduction
7.9
Gain modulation
7.10
I2C-bus control
8
LIMITING VALUES
9
THERMAL CHARACTERISTICS
10
CHARACTERISTICS
11
I2C-BUS PROTOCOL
12
INTERNAL CIRCUITRY
13
TEST AND APPLICATION INFORMATION
13.1
Test application
13.2
Recommendations for building the application
board
14
PACKAGE OUTLINE
15
SOLDERING
15.1
Introduction
15.2
Soldering by dipping or by wave
15.3
Repairing soldered joints
16
DEFINITIONS
17
LIFE SUPPORT APPLICATIONS
18
PURCHASE OF PHILIPS I2C COMPONENTS




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