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AD9229BCP-50 データシート(PDF) 1 Page - Analog Devices |
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AD9229BCP-50 データシート(HTML) 1 Page - Analog Devices |
1 / 15 page Quad 12-Bit, 50/65 MSPS Serial LVDS 3V A/D Converter Preliminary Technical Data AD9229 FEATURES • Four ADCs in one package • Serial LVDS digital output data rates (ANSI-644) • Data clock output provided • On Chip Reference and SHA • SNR = 70 dB at Fin up to Nyquist • Excellent Linearity: − DNL = ±0.3 LSB (Typical) − INL = ±0.6 LSB (Typical) • 500 MHz full power analog bandwidth • Per Channel Core Power Dissipation = 270mW at 65MSPS / 200mW at 50MSPS • 1 Vpp – 2 Vpp input voltage range • +3.0 V supply operation • Power down mode APPLICATIONS • Digital beam forming systems in ultrasound • Wireless and wired broadband communications • Communications test equipment • Radar and satellite imaging sub-systems FUNCTIONAL BLOCK DIAGRAM Serial LVDS Pipeline ADC SHA Data Rate Multiplier Ref Select + - 0.5 V Serial LVDS Pipeline ADC SHA Serial LVDS Pipeline ADC SHA Serial LVDS Pipeline ADC SHA AD9229 D1+A D1-A LVDSBIAS AGND VREF SENSE VIN+A VIN-A VIN+B VIN-B VIN+C VIN-C VIN+D VIN-D AVDD DRVDD 12 12 12 12 PDWN DCO+ DCO- REFT REFB CLK D1+B D1-B D1+C D1-C D1+D D1-D DRGND DCO+ DCO- FCO+ FCO- Figure 1. Functional Block Diagram PRODUCT DESCRIPTION The AD9229 is a quad 12-bit monolithic sampling analog–to– digital converter with an on–chip track–and–hold circuit and is designed for low cost, low power, small size and ease of use. The product operates up to a 65 MSPS conversion rate and is optimized for outstanding dynamic performance where a small package size is critical. The ADC requires a single+3.0 V power supply and a TTL/CMOS compatible sample rate clock for full performance operation. No external reference or driver components are required for many applications. A separate output power supply pin supports LVDS compatible serial digital output levels. The ADC automatically multiplies up the sample rate clock for the appropriate LVDS serial data rate. An MSB trigger is provided to signal a new output byte. Power down is supported and consumes less than 3mW when enabled. Fabricated on an advanced CMOS process, the AD9229 is available in a 48-LFCSP package specified over the industrial temperature range (–40°C to +85°C). PRODUCT HIGHLIGHTS 1. Four analog-to-digital converters are contained in one small, space saving package. 2. A Data Clock Output (DCO) is provided which operates up to 390 MHz. 3. The outputs of each ADC are serialized with a maximum data output rate of 780 Mbps (12-bits x 65 MSPS). 4. The AD9229 operates from a single +3.0 V analog power supply. Rev. PrF 10/06/2003 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective companies. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2003 Analog Devices, Inc. All rights reserved. |
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