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General description

The ADC0808S is a differential, high-speed, 8-bit Analog-to-Digital Converter (ADC) optimized for telecommunication transmission control systems and tape drive applications. It allows signal sampling frequencies up to 250 MHz. The ADC0808S clock inputs are selectable between 1.8 V Complementary Metal Oxide Semiconductor (CMOS) or Low-Voltage Differential Signals (LVDS). The data output signal levels are 1.8 V CMOS.

Features

■ 8-bit resolution

■ High-speed sampling rate up to 250 MHz

■ Maximum analog input frequency up to 560 MHz

■ Programmable acquisition output clock (complete conversion signal)

■ Differential analog input

■ Integrated voltage regulator or external control for analog input full-scale

■ Integrated voltage regulator for input common-mode reference

■ Selectable 1.8 V CMOS or LVDS clock input

■ 1.8 V CMOS digital outputs

■ 1.8 V CMOS compatible static digital inputs

■ Binary or 2’s complement CMOS outputs

■ Only 2 clock cycles latency

■ Industrial temperature range from ?40 °C to +85 °C

■ HTQFP48 package

Applications

■ 2.5G and 3G cellular base infrastructure radio transceivers

■ Wireless access systems

■ Fixed telecommunications

■ Optical networking

■ Wireless Local Area Network (WLAN) infrastructure

■ Tape drive applications