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TDA4856

Features: · Full horizontal plus vertical autosync capability· Extended horizontal frequency range from 15 to 130 kHz· Comprehensive set of I2C-bus driven geometry adjustments and functions, including standby mode· Very good vertical linearity· Moire cancellation· Start-up and switch-off sequence ...

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SeekIC No. : 004516389 Detail

TDA4856: Features: · Full horizontal plus vertical autosync capability· Extended horizontal frequency range from 15 to 130 kHz· Comprehensive set of I2C-bus driven geometry adjustments and functions, includi...

TDA4856 Data Sheet

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Part Number:
TDA4856
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:

· Full horizontal plus vertical autosync capability
· Extended horizontal frequency range from 15 to 130 kHz
· Comprehensive set of I2C-bus driven geometry adjustments and functions, including standby mode
· Very good vertical linearity
· Moire cancellation
· Start-up and switch-off sequence for safe operation of all power components
· X-ray protection
· Power dip recognition
· Flexible switched mode B+ supply function block for feedback and feed forward converter
· Internally stabilized voltage reference
· Drive signal for focus amplifiers with combined horizontal and vertical parabola waveforms
· DC controllable inputs for Extremely High Tension (EHT) compensation
· SDIP32 package.


Pinout

Connection Diagram


Specifications

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
VCC supply voltage   -0.5 +16 V
Vi(n) input voltage on pins:
BIN
HSYNC, VSYNC, VREF, HREF, VSMOD and HSMOD
SDA and SCL
XRAY		  

-0.5
-0.5
-0.5
-0.5

 +6.0
+6.5
+8.0
+8.0

V
V
V
V

Vo(n) output voltage on pins:
VOUT2, VOUT1 and HUNLOCK
BDRV and HDRV		   -0.5
-0.5		 +6.5
+16		 V
V
VI/O(n) input/output voltages at pins BOP and BSENS   -0.5 +6.0 V
Io(HDRV) horizontal driver output current     100 mA
Ii(HFLB) horizontal flyback input current   -10 +10 mA
Io(CLBL) video clamping pulse/vertical blanking output current     -10 mA
Io(BOP) B+ control OTA output current     1 mA
Io(BDRV) B+ control driver output current     50 mA
Io(EWDRV) EW driver output current     -5 mA
Io(FOCUS) focus driver output current     -5 mA
Tamb operating ambient temperature   -20 +70
Tj junction temperature     150
Tstg storage temperature   -55 +150
VESD electrostatic discharge for all pins note 1 -150 +150 V
note 2 -2000 +2000 V

Notes
1. Machine model: 200 pF; 0.75 H; 10  .
2. Human body model: 100 pF; 7.5 H; 1500  .


Description

The TDA4856 is a high performance and efficient solution for autosync monitors. All functions are controllable by the
I2C-bus.

The TDA4856 provides synchronization processing, horizontal and vertical synchronization with full autosync capability and very short settling times after mode changes. External power components are given a great deal of protection. The IC generates the drive waveforms for DC-coupled vertical boosters such as the TDA486x and TDA835x.

The TDA4856 provides extended functions e.g. as a flexible B+ control, an extensive set of geometry control facilities, and a combined output for horizontal and vertical focus signals.

Together with the I2C-bus driven Philips TDA488x video processor family, a very advanced system solution is offered.




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