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Analog Devices beefs up defense app DACs

17 Sep 2012

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Analog Devices ramped up its 16- and 14bit transmit D/A converters (DACs) with extended operating temperature ranges and high-reliability packaging for radar, secure communications, avionics and other defense electronics applications.

ADI's 14bit dual-channel AD9117, 16bit dual-channel AD9122 and 14bit single-channel AD9739 transmit DACs were designed for signal synthesis applications, including pulse-modulated waveform generation and for synthesizing the modulated carrier in quadrature digital architectures.

In addition to extended temperature ranges, some aerospace and defense applications require an alternate solution to matte tin (Sn) for lead-frame packages in order to eliminate the concern with the whiskering associated with the Sn plating process. These DACs are available in NiPdAu lead-frame or Pb BGA packaging, as applicable, to avoid the issue of whiskering.

The NiPdAu lead-frame package is assembled with low halogen/halogen-free RoHS-compliant materials and the entire lead-frame is pre-plated.

Complementary products include the AD9266-EP 16bit, 65-MSPS, 1.8-V A/D converter with an on-chip sample-and- hold circuit that enables the device to maintain performance with input frequencies up to 200MHz. This device operates over the full military temperature range of -55°C to +125° C and is designed for low cost, low power, small size, and ease of use.




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