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TDA4886

Features: ` 140 MHz pixel rate` 3.2 ns rise time, 4 ns fall time` I2C-bus control` I2C-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 ...

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SeekIC No. : 004516407 Detail

TDA4886: Features: ` 140 MHz pixel rate` 3.2 ns rise time, 4 ns fall time` I2C-bus control` I2C-bus data buffer for synchronization of adjustments` Grey scale tracking` On Screen Display (OSD) mixing with 50...

TDA4886 Data Sheet

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Part Number:
TDA4886
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` 140 MHz pixel rate
` 3.2 ns rise time, 4 ns fall time
` I2C-bus control
` I2C-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.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VP supply voltage (pin 7)   0 8.8 V
VP1, 2, 3 supply voltage channels 1, 2 and 3 (pins 21,
18 and 15)		   0 8.8 V
Vi input voltage (pins 6, 8 and 10)   -0.1 VP V
Vext external DC voltage applied to the following pins:
pins 1 to 4
pins 5 and 11
pins 12 and 13
pins 23, 20 and 17
pins 22, 19 and 16
pin 24		   -0.1
-0.1
-0.1
-0.1
note 1
-0.1		 VP
VP + 0.7
VP
VP + 0.7
note 1
VP		 V
V
V
V

V
Io(av) average output current (pins 22, 19 and 16)   - 20 mA
IOM peak output current (pins 22, 19 and 16)   - 50 mA
Ptot total power dissipation   - 1400 mW
Tstg storage temperature   -25 +150
Tamb
 operating ambient temperature   -20 +70
Tj junction temperature   -25 +150
VESD electrostatic handling for all pins
machine model
human body model		 note 2
note 3		 -250
-2000		 +250
+2000		 V
V

Notes
1. No external voltages.
2. Equivalent to discharging a 200 pF capacitor via a 0.75 H inductance ( "UZW-B0/FQ-B302").
3. Equivalent to discharging a 100 pF capacitor via a 1500 series resistor ( "UZW-B0/FQ-A302").


Description

The TDA4886 is a monolithic integrated RGB pre-amplifier for colour monitor systems (e.g. 15" and 17") with I2C-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 TDA4886 monitor deflection IC family.




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