High-speed converters set new power efficiency benchmark

3 May 2006 Analogue, Mixed Signal, LSI

Analog Devices is introducing a family of high-speed 10- and 12-bit analog-to-digital converters (ADCs) targeted for broadband communications and wireless infrastructure applications where low power consumption is required to accommodate smaller form factors, but high-quality conversion cannot be sacrificed. The 12-bit, 250-MSps AD9230 is the flagship device. It operates from a single 1,8 V supply, dissipates only 425 mW of power and is capable of maintaining a superior SNR (65,5 dBfs) and SFDR (82 dBc) with a 70 MHz input. The AD9230 has an on-chip reference and track-and-hold, two parallel LVDS output modes to ease the interface to FPGAs, and a double data rate mode which halves the number of parallel outputs required. The 12-bit AD9230 is offered in speed grades 250 MSps, 210 MSps and 170 MSps) and the 10-bit AD9211 in 250 MSps, 200 MSps and 170 MSps. Both devices are available in an 8 x 8 mm LFCSP fully specified over -40-85°C.

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