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TDA9144

Features: FEATURES· Multi-standard colour decoder and sync processor for PAL, NTSC and SECAM· PALplus helper demodulator· PALplus helper blanking and EDTV-2 blanking· I2C-bus controlled· I2C-bus addresses hardware selectable· Pin compatible with TDA9141· Alignment free· Few external components· De...

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SeekIC No. : 004516920 Detail

TDA9144: Features: FEATURES· Multi-standard colour decoder and sync processor for PAL, NTSC and SECAM· PALplus helper demodulator· PALplus helper blanking and EDTV-2 blanking· I2C-bus controlled· I2C-bus add...

TDA9144 Data Sheet

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Part Number:
TDA9144
Supply Ability:
5000

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

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Product Details

Description



Features:

FEATURES
· Multi-standard colour decoder and sync processor for PAL, NTSC and SECAM
· PALplus helper demodulator
· PALplus helper blanking and EDTV-2 blanking
· I2C-bus controlled
· I2C-bus addresses hardware selectable
· Pin compatible with TDA9141
· Alignment free
· Few external components
· Designed for use with baseband delay lines
· Integrated video filters
· Adjustable luminance delay
· Noise detector with I2C-bus read-out
· Norm/no_norm detector with I2C-bus read-out
· CVBS or Y/C input, with automatic detection possibility
· CVBS output provided I2C-bus address 8A is used
· Vertical divider system
· Two-level sandcastle signal
· VA synchronization pulse (3-state)
· HA synchronization pulse or clamping pulse CLP input/output
· Line-locked clock output (6.75 MHz or 6.875 MHz) or stand-alone I2C-bus output port
· Stand-alone I2C-bus input/output port
· Colour matrix and fast YUV switch
· Comb filter enable input/output with subcarrier frequency
· Internal bypass mode of external delay line for PALplus and NTSC applications
· Low power standby mode with 3-state YUV outputs
· Fast blanking detector with I2C-bus read-out
· Blanked or unblanked sync on Yout by I2C-bus bit BSY
· internal MACROVISION gating for the horizontal PLL enabled by bus bit EMG.



Pinout

Connection Diagram


Description

  The TDA9144 is an I2C-bus controlled, alignment-free PAL/NTSC/SECAM decoder/sync processor with helper demodulator for PALplus signals and blanking facilities for PALplus and EDTV-2 signals. The TDA9144 has been designed for use with baseband chrominance delay lines, and has a combined subcarrier frequency/comb filter enable signal for communication with a PAL/NTSC comb filter.

  The TDA9144 can process both CVBS input signals and Y/C input signals. The input signal is available on an output pin, in the event of a Y/C signal, it is added into a CVBS signal. The sync processor provides a two-level sandcastle, a horizontal pulse (CLP or HA pulse, bus selectable) and a vertical (VA) pulse. When the HA pulse is selected, a line-locked clock (LLC) signal is available at the output port  pin (6.75 MHz or 6.875 MHz).




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