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National Semiconductor has introduced a dual-channel, 16-bit, 160 mega-samples per second (MSPS) pipeline analogue-to-digital converter (ADC).

With two high-speed channels, the ADC16DV160 offers system designers a small footprint of 10mm x 10mm, which allows them to reduce system size, design complexity and development costs.

The ADC16DV160 is targeted at multi-carrier, multi-standard GSM/Edge, WCDMA, LTE and WiMAX wireless basestations.

The company said that the ADC16DV160 consumes less than half the power per ADC channel (650mW) compared to competing single-channel 16-bit 160-MSPS pipeline ADCs, while offering the largest input-bandwidth (1.4GHz) and best dynamic performance at high input frequencies.

The ADC16DV160 delivers 91.2 decibels full scale (dBFS) spurious-free dynamic range (SFDR), 76.3dBFS signal-to-noise ratio (SNR) and 97.3dBFS higher-order harmonic distortion at 197MHz input frequency.

The ADC16DV160’s dynamic performance enables increased basestation capacity and coverage, allowing service providers to reach more customers and deliver a higher quality of service, according to the company.

The ADC16DV160’s energy efficiency reduces system power dissipation and relaxes basestation power management circuitry requirements.

This increases overall system reliability and reduces system cooling requirements.

The ADC16DV160 operates on dual power supplies, 1.8V and 3.0V, with power down and fast recovery, and features industry-standard dual low-voltage differential signaling (LVDS) outputs for interfacing to field-programmable gate arrays (FPGAs) and application-specific integrated circuits (ASICs).

An evaluation board interfaces directly with National’s Wavevision 5 software and data-capture board to simplify and accelerate evaluation of the ADC16DV160.

The Wavevision 5 system is a data acquisition and analysis tool designed to help users evaluate National’s signal path products.

The ADC16DV160 can be teamed with the dual-channel LMH6517 digitally controlled variable gain amplifier (DVGA) or the LMH6554 fully differential amplifier.

By adding the LMX2541 frequency synthesiser or one of National’s LMK04000 range of clock jitter cleaners, a system designer can form a complete signal path solution.

The ADC16DV160 is supplied in a 68-pin LLP package and is sampling now, with production quantities scheduled for late 2009.

National Semiconductor

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