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Dual 16-bit, 1.6-GSPS DAC synthesizes high-quality wideband signals from baseband to high intermediate frequencies

Dual 16-bit, 1.6-GSPS DAC synthesizes high-quality wideband signals from baseband to high intermediate frequencies

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By eeNews Europe



The combination of programmable interpolation rate, high sample rates, and fine NCO modulation capability gives system designers flexibility when choosing D/A converter output frequencies. This is especially helpful in meeting four- to six-carrier GSM transmission specifications and other communications standards. Operating with the on-chip PLL (phase-locked loop) at a D/A converter output frequency of 200 MHz, the AD9142 delivers a 79-dB ACLR (adjacent-channel leakage ratio) for six-carrier GSM applications.

The AD9142 includes integrated interpolation filters with selectable interpolation factors of 2, 4, and 8. The dual D/A converter data interface supports word and byte load allowing customers to reduce input pins on lower data rates to save board space, power and cost. The AD9142 is available in a space-saving 72-pin LFCSP (lead-frame chip-scale package).

Availability and Pricing

The AD9142 packaged in a 72-lead 10x10mm LFCSP is available now and is priced at $41.40 each In 1,000 quantities.

More information about the AD9142 D/A converter at
www.analog.com/en/digital-to-analog-converters/high-speed-da-converters/ad9142/products/product.html

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