PDF《16-Bit, 80 MSPS/105 MSPS ADC AD9460》

16-Bit,

80 MSPS/105 MSPS ADC AD9460 Rev.

0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No licenseisgrantedbyimplicationorotherwiseunderanypatentorpatentrightsofAnalogDevices. 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 ?2006 Analog Devices, Inc. All rights reserved. FEATURES

105 MSPS guaranteed sampling rate (AD9460-105) 79.4 dBFS SNR/91 dBc SFDR with

10 MHz input (3.4 V p-p input,

80 MSPS) 78.3 dBFS SNR/ with

170 MHz input (4.0 V p-p input,

80 MSPS) 77.8 dBFS SNR/87 dBc SFDR with

170 MHz input (3.4 V p-p input,

80 MSPS) 77.2 dBFS SNR/84 dBc SFDR with

170 MHz input (3.4 V p-p input,

105 MSPS)

90 dBFS two-tone SFDR with

139 MHz/140 MHz input (3.4 V p-p input,

105 MSPS)

60 fsec rms jitter Excellent linearity DNL = ±0.5 LSB typical INL = ±3.0 LSB typical 2.0 V p-p to 4.0 V p-p differential full-scale input Buffered analog inputs LVDS outputs (ANSI-644 compatible) or CMOS outputs Data format select (offset binary or twos complement) Output data capture clock available 3.3 V and

5 V supply operation FUNCTIONAL BLOCK DIAGRAM CMOS OR LVDS OUTPUT STAGING CLOCK AND TIMING MANAGEMENT AGND DRGND DRVDD VREF CLK+ VIN+ AD9460 VINC CLKC DCO AVDD1 AVDD2 DCS MODE DFS OUTPUT MODE T/H BUFFER

16 PIPELINE ADC

2 32

2 OR D15 TO D0 REF REFB SENSE REFT 06006-001 Figure 1. APPLICATIONS MRI receivers Multicarrier, multimode, cellular receivers Antenna array positioning Power amplifier linearization Broadband wireless Radar Infrared imaging Communications instrumentation GENERAL DESCRIPTION The AD9460 is a 16-bit, monolithic, sampling, analog-to-digital converter (ADC) with an on-chip track-and-hold circuit. It is optimized for performance, small size, and ease of use. The AD9460 operates up to

105 MSPS, providing a superior signal- to-noise ratio (SNR) for instrumentation, medical imaging, and radar receivers using baseband (