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AD9042 Arkusz danych(PDF) 1 Page - Analog Devices |
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AD9042 Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 24 page 12-Bit, 41 MSPS Monolithic ADC AD9042 Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©1995–2009 Analog Devices, Inc. All rights reserved. FEATURES 41 MSPS minimum sample rate 80 dB spurious-free dynamic range 595 mW power dissipation Single 5 V supply On-chip track-and-hold (T/H) and reference Twos complement output format CMOS-compatible output levels APPLICATIONS Cellular/PCS base stations GPS anti jamming receivers Communications receivers Spectrum analyzers Electro-optics Medical imaging ATE FUNCTIONAL BLOCK DIAGRAM AIN ENCODE VREF AD9042 ADC VOFFSET 6 DAC TH2 A1 TH1 TH3 A2 ADC DIGITAL ERROR CORRECTION LOGIC 7 ENCODE GND MSB LSB D10 D9D8D7D6D5D4D3D2D1D0 D11 2.4V REFERENCE INTERNAL TIMING AVCC DVCC Figure 1. GENERAL DESCRIPTION The AD9042 is a high speed, high performance, low power, monolithic 12-bit analog-to-digital converter (ADC). All necessary functions, including track-and-hold (T/H) and reference, are included on chip to provide a complete conversion solution. The AD9042 operates from a single 5 V supply and provides CMOS-compatible digital outputs at 41 MSPS. Designed specifically to address the needs of wideband, multi- channel receivers, the AD9042 maintains 80 dB spurious-free dynamic range (SFDR) over a bandwidth of 20 MHz. Noise performance is also exceptional; typical signal-to-noise ratio (SNR) is 68 dB. The AD9042 is built on a high speed complementary bipolar process (XFCB) used by Analog Devices, Inc., and uses an innovative multipass architecture. Units are packaged in a 44-lead LQFP low profile quad flat package. The AD9042 industrial grade is specified from −40°C to +85°C. However, the AD9042 was designed to perform over the full military temperature range (−55°C to +125°C); consult the factory for military grade product options. PRODUCT HIGHLIGHTS 1. Guaranteed sample rate is 41 MSPS. 2. Dynamic performance specified over entire Nyquist band; spurious signals 80 dBc typical for −1 dBFS input signals. 3. Low power dissipation: 595 mW off a single 5 V supply. 4. Reference and track-and-hold included on chip. 5. Packaged in 44-lead LQFP. |
Podobny numer części - AD9042_15 |
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Podobny opis - AD9042_15 |
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