TDA8714

General description

The TDA8714 is an 8-bit high-speed Analog-to-Digital Converter (ADC) for professional video and other applications. It converts the analog input signal into 8-bit binary-coded digital words at a maximum sampling rate of 80 MHz. All digital inputs and outputs are TTL compatible, although a low-level sine wave clock input signal is allowed.

Features

• 8-bit resolution
• Sampling rate up to 80 MHz
• No missing codes guaranteed
• High signal-to-noise ratio over a large analog input frequency range (7.7 effective bits at 4.43 MHz full-scale input at f_clk = 80 MHz)
• Overflow/underflow 3-state TTL output
• TTL compatible digital inputs
• Low-level AC clock input signal allowed
• External reference voltage regulator
• Power dissipation only 340 mW (typical)
• Low analog input capacitance, no buffer amplifier required
• No sample-and-hold circuit required.

Applications

High-speed analog-to-digital conversion for:

• video data digitizing
• radar pulse analysis
• transient signal analysis
• high energy physics research
• SD modulators
• medical imaging.

Block diagrams/pinning

Design support

Application Notes

AN96013_1; TDA8714 8-bit A/D converter demoboard reference manual (16-Dec-02)

AN96048_1; TDA8046H multi-mode QAM demodulator (14-Mar-03)

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