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  Hittite Press Release - September 27, 2011

Hittite's Octal ADCs Enable Significant Power Savings
in Medical Ultrasound Systems

--  72.2 dB SNR @ 50 MSPS with 8 MHz Input Frequency & 14-Bit Output

Click to visit the Hittite website

Octal 12-bit Analog-to-Digital ConvertersChelmsford, MA, 09/27/2011 – Hittite Microwave Corporation, the world class supplier of complete MMIC based solutions for communication & military markets is featuring a new set of octal 12-bit Analog-to-Digital Converters, the HMCAD1102, HMCAD1101 and HMCAD1100  which complements Hittite’s ultra low power ADC products.
 
Tailored to meet the strong demand for power reduction in high performance medical ultrasound applications, the HMCAD1102, HMCAD1101 and HMCAD1100 family are Octal 12 & 13-Bit ADCs which operate from 20 to 80 MSPS. Both 12-bit and 14-bit LVDS output modes are available and can be selected through the SPI control interface. Noise performance (SNR) at 50 MSPS with 8 MHz input frequency and 14-bit output is typically 72.2 dB and 71 dB is worst case. Pin compatible with the ADS527x and ADS528x families from Texas Instruments, power dissipation at 50 MSPS is 40 mW per channel, including LVDS outputs.
 
The HMCAD1102, HMCAD1101 and HMCAD1100 family has a power down mode dissipating less than 10 µW and an unprecedented wake-up time of 18 µs. In addition, there is a sleep mode with 0.5 µs wake-up time, and power dissipation in sleep mode is only 3 mW per channel. These idle modes allow the user to further reduce the average power dissipation by switching the converter off during idle periods. The average power dissipation can be reduced by as much as 75%, creating tremendous impact in systems where power dissipation is critical. The superior noise performance, low power operating modes and flexibility of the HMCAD110x family have begun to resonate with customers; consequently these devices are being adopted by several global medical ultrasound manufacturers.

All three ADCs can be evaluated with the Hittite EasySuite™ evaluation kits, EKIT01-HMCAD1102, EKIT01-HMCAD1101 and EKIT01-AD1100.The evaluation kits are based on Xilinx® FMC (FPGA Mezzanine Card) SP601 standard motherboards, and feature Hittite evaluation boards with on-board ADCs connected to the Xilinx® board through an FMC connector. Hittite’s pre-loaded EasyStack™ firmware performs FPGA processing, while the EasySuite™ PC software tool performs ADC configuration, data capture and performance analysis.The HMCAD1102, HMCAD1101 and HMCAD1100  ADCs are housed in a 9 x 9 mm plastic leadless surface mount package and provide excellent temperature stability over the -40 °C to +85 °C temperature range. Samples and evaluation PC boards for all SMT packaged products are available from stock and can be ordered via the company's e-commerce site or via direct purchase order. Released data sheets may be found at www.hittite.com.


About Hittite Corporation
Hittite Microwave Corporation is an innovative designer and manufacturer of high performance integrated circuits, or ICs, modules, subsystems and instrumentation for technically demanding digital, RF, microwave and millimeterwave applications covering DC to 110 GHz. The Company's standard and custom products apply analog, digital and mixed-signal semiconductor technologies, which are used in a wide variety of wireless / wired communication and sensor applications for Automotive, Broadband, Cellular Infrastructure, Fiber Optics & Networking, Microwave & Millimeterwave Communications, Military, Test & Measurement, and Space markets. The Company is headquartered in Chelmsford, Massachusetts.



Contact
Beth McGreevy
MarCom Manager
mcgreevy@hittite.com
Hittite Microwave Corporation
20 Alpha Road
Chelmsford, MA 01824
Phone: 978-250-3343
FFax: 978-250-3373
sales@hittite.com www.hittite.com







Posted  9/28/2011

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