EE Product News

14-Bit ADC Samples At 105 Msamples/s

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Designed for 3G basestation applications, the AD6645ASQ-105 is billed as the industryÕs first 14-bit, 105 Msamples/s a/d converter. The device is also available in an 80 Msamples/s version (AD6645ASQ-80).Two-tone, spurious-free dynamic range (SFDR) is 100 dB and signal-to-noise ratio (SNR) is 74 dB and 70 db with 70 MHz and 200 MHz inputs, respectively. The monolithic a/d converter provides all necessary functions, such as track-and-hold and reference, on chip. IF sampling is up to 200 MHz while maintaining 11.3 ENOB performance. The AD6645 provides CMOS compatible digital outputs and is pin-compatible with its predecessor, the AD6644. Prices for the AD6645ASQ-105 and AD6645ASQ-80 are $75 and $54, respectively, each/1,000. ANALOG DEVICES INC., Wilmington, MA. (800) 262-5643.

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