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SN28837

Features: • PAL-Timing Operation• Solid-State Reliability• Color and Monochrome Operation• Five Selectable-Antiblooming Modes• Variable-Integration-Time Option• Surface-Mount Package• Clamp-Pulse Select Option• Horizontal and Vertical Resets for Exte...

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SeekIC No. : 004496095 Detail

SN28837: Features: • PAL-Timing Operation• Solid-State Reliability• Color and Monochrome Operation• Five Selectable-Antiblooming Modes• Variable-Integration-Time Option• S...

SN28837 Data Sheet

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Part Number:
SN28837
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:

• PAL-Timing Operation
• Solid-State Reliability
• Color and Monochrome Operation
• Five Selectable-Antiblooming Modes
• Variable-Integration-Time Option
• Surface-Mount Package
• Clamp-Pulse Select Option
• Horizontal and Vertical Resets for External Synchronization


Pinout

Connection Diagram


Specifications

Supply voltage range, VDD (see Note 1)  . . . . . . . . . . .. . . . . . . . .0.3 V to 7 V
Input voltage range, VI  . . . . . . . . . . . . . . . . . . . . . . .. . .0.3 V to VDD + 0.3 V
Output voltage range, VO  . . . . . . . . . . . . . . . . . . . ... . . 0.3 V to VDD + 0.3 V
Continuous total power dissipation at (or below) TA = 25. .. . .... . . . 300 mW
Operating free-air temperature range, TA  . . . . . . . . . . ........... . .20 to 45
Storage temperature range, TSTG  . . . . . . . . . . . . . . . . . ..... . . .55 to 125
Lead temperature 1,6 mm (1/16 in) from case for 10 seconds . . . ... .. . . .260


Description

The SN28837 is a monolithic integrated circuit designed to supply timing signals for the Texas Instruments (TIE) 8- m-diagonal TC276 (PAL color) and TC277 (PAL monochrome) CCD image sensors. The SN28837 supplies both CCD-drive
signals and PAL-television synchronization signals at standard video rates. It requires a single 5-V supply voltage and a 13.37-MHz crystal-oscillator input. The SN28837 provides the user with several options including multiple antiblooming modes, variable-integration time,external synchronization, clamp-pulse selection,and delayed horizontal transfer.

The SN28837 is designed to drive the CCD image sensor through intermediary level-shifting devices such as the TI TMS3473B parallel driver and the SN28846 serial driver. It also supplies sample-and-hold signals for the TI TL1593 3-channel sample-and-hold circuit and multiplex signals for the TI TL1051 video preprocessor. In color applications, the SN28837 interfaces with the SN28838 color-subcarrier generator to generate the PAL color subcarrier.

The SN28837 is supplied in a 60-pin plastic flat package and is characterized for operation from 20°C to 45°C.




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