Description
TDA8708A Video analog input interface
FEATURES
· 8-bit resolution
· Sampling rate up to 32 MHz
· Binary or two’s complement 3-state TTL outputs
· TTL-compatible digital inputs and outputs
· Internal reference voltage regulator
· Power dissipation of 365 mW (typical)
· Input selector circuit (one out of three video inputs)
· Clamp and Automatic Gain Control (AGC) functions for CVBS and Y signals
· No sample-and-hold circuit required.
· The TDA8708A has white peak control in modes 1 and 2 whereas the TDA8708B has control in mode 1 only.
APPLICATIONS
· Video signal decoding
· Scrambled TV (encoding and decoding)
· Digital picture processing
· Frame grabbing.
GENERAL DESCRIPTION
The TDA8708A is an analog input interface for video signal processing. It includes a video amplifier with clamp and gain control, an 8-bit analog-to-digital converter (ADC) with a sampling rate of 32 MHz and an input selector.
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