ADC0808S125; ADC0808S250

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.

All static digital inputs (CLKSEL, CCSSEL, CE_N, OTC, DEL0 and DEL1) are 1.8 V CMOS compatible.

The ADC0808S offers the most flexible acquisition control system possible due to its programmable Complete Conversion Signal (CCS) which allows the delay time of the acquisition clock and acquisition clock frequency to be adjusted.

The ADC0808S is supplied in an HTQFP48 package.

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 Cel to +85 Cel
• HTQFP48 package

Products/packages

Products in the above table are all in production. Some variants are discontinued; click here for information on these variants.

Pricing/ordering/availability

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

Block diagrams/pinning

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