TL1051, Video Preprocessor Circuit
DEVICE STATUS: NOT RECOMMENDED FOR NEW DESIGNS
FEATURES
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Solid-State Reliability
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Supports Both Color and Monochrome Applications
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Three Independent Channels Available for Use With RGB Monitors
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Y Signal Generated From Three Independent Channels
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Clamp Pulse-Select Option
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White-Clip Function for Y Signal
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Gain Control for R, G, B, and Y
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Noise Suppression During Video-Blanking Periods
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DESCRIPTION
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The TL1051 is a bipolar monolithic integrated circuit designed for use in preprocessing three channels of TI
CCD image sensors. It receives video inputs from the TI TL1593 three-channel sample-and-hold circuit and
outputs three processed channel signals and a single multiplexed Y (luminance) signal. Processing functions
of the TL1051 include gain, automatic gain control, clamp, white balance, and white clip.
The TL1051 is supplied in a 44-pin surface-mount plastic package and is characterized for operation from
-20°C to 45°C.
This device contains circuits to protect its inputs and outputs against damage due to high static voltages or electrostatic fields. These circuits
have been qualified to protect this device against electrostatic discharges (ESD) of up to 2 kV according to MIL-STD-883C, Method 3015;
however, precautions should be taken to avoid application of any voltage higher than maximum-rated voltages to these high-impedance circuits.
During storage or handling, the device leads should be shorted together or the device should be placed in conductive foam. In a circuit, unused
inputs should always be connected to an appropriate logic voltage level, preferably either VCC or ground. Specific guidelines for handling devices
of this type are contained in the publication Guidelines for Handling Electrostatic-Discharge-Sensitive (ESDS) Devices and Assemblies available
from Texas Instruments.
TECHNICAL DOCUMENTS
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To download a document to your hard drive, right-click on the link and choose 'Save'.
DATASHEET
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Full datasheet in Acrobat PDF: socs032b.pdf (170 KB) (Updated: 06/01/1994) APPLICATION NOTES
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PRICING/AVAILABILITY
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Product Folder:TL1051, Video Preprocessor Circuit
file:////roarer/root/export/projects/bitting1/imagin...NG/Avnet/20001221/11272000/TXII/11272000/tl1051.html (1 of 2) [1/6/2001 12:31:37 PM]
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