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TDA4884

Features: · 85 MHz video controller· Fully DC controllable· 3 separate video channels· Input black-level clamping· White level adjustment for 3 channels· Contrast control for all 3 channels simultaneously· Cathode feedback to internal reference for cut-off control, which allows unstabilized video ...

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SeekIC No. : 004516405 Detail

TDA4884: Features: · 85 MHz video controller· Fully DC controllable· 3 separate video channels· Input black-level clamping· White level adjustment for 3 channels· Contrast control for all 3 channels simultan...

TDA4884 Data Sheet

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Part Number:
TDA4884
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

· 85 MHz video controller
· Fully DC controllable
· 3 separate video channels
· Input black-level clamping
· White level adjustment for 3 channels
· Contrast control for all 3 channels simultaneously
· Cathode feedback to internal reference for cut-off control, which allows unstabilized video supply voltage
· Current outputs for RGB signal currents
· RGB voltage outputs to external peaking circuits
· Blanking and switch-off input for screen protection
· Sync on green operation possible
· On Screen Display (OSD) facility.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER MIN. MAX. UNIT
Vext external DC voltage applied to the following pins:
pin 7 (supply voltage)
pins 2, 5 and 8 (signal input)
pins 20, 17 and 14 (current outputs)
pins 1, 3, 6 and 11 (gain and contrast control)
pin 9 (horizontal blanking input)
pin 10 (input clamping input)		 0
-0.1
-0.1
-0.1
-0.1
-0.1
-0.1		 8.8
VP
VP
VP
VP + 0.7
VP + 0.7		 V
V
V
V
V
V
Io(av) average output current (pins 20, 17 and 14) 0 50 mA
IOM peak output current (pins 20, 17 and 14)
 0 100 mA
Ptot total power dissipation - 1200 mW
Tstg storage temperature -25 +150 °C
Tamb operating ambient temperature -20 +70 °C
Tj junction temperature -25 +150 °C
VESD electrostatic handling for all pins -500 +500 V

Notes
1. Signal amplitude of 50 mA black-to-white is possible if the average current (including blanking times and signal variation against time) does not exceed 50 mA. The maximum power dissipation of 1200 mW has to be considered.
2. Equivalent to discharging a 200 pF capacitor through a 0 series resistor.


Description

The TDA4884 is an RGB pre-amplifier for colour monitor systems with SVGA performance, intended for DC or AC coupling of the colour signals to the cathodes of the CRT.

With special advantages the circuit can be used in conjunction with the TDA485x monitor deflection IC family.




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