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AD9958BCPZ-REEL7 датащи(PDF) 1 Page - Analog Devices |
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AD9958BCPZ-REEL7 датащи(HTML) 1 Page - Analog Devices |
1 / 40 page 2-Channel 500 MSPS DDS with 10-Bit DACs AD9958 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 © 2005 Analog Devices, Inc. All rights reserved. FEATURES 2 synchronized DDS channels @ 500 MSPS Independent frequency/phase/amplitude control between channels Matched latencies for frequency/phase/amplitude changes Excellent channel-to-channel isolation (>72 dB) Linear frequency/phase/amplitude sweeping capability Up to 16 levels of frequency/phase/amplitude modulation (pin-selectable) 2 integrated 10-bit D/A converters (DACs) Individually programmable DAC full-scale currents 32-bit frequency tuning resolution 14-bit phase offset resolution 10-bit output amplitude scaling resolution Serial I/O Port (SPI) with 800Mbps data throughput Software-/hardware-controlled power-down Dual supply operation (1.8 V DDS core/3.3 V serial I/O) Multiple device synchronization Selectable 4× to 20× REF_CLK multiplier (PLL) Selectable REF_CLK crystal oscillator 56-Lead LFCSP APPLICATIONS Agile local oscillator Phased array radar/sonar Instrumentation Synchronized clocking RF source for AOTF Single-side band suppressed carrier Quadrature communications FUNCTIONAL BLOCK DIAGRAM AD9958 32 32 10 15 IOUT 10 Σ Σ Σ DAC COS(X) DDS CORE IOUT 32 ∆FTW FTW SYNC_CLK CLK_MODE_SEL BUFFER/ XTAL OSCILLATOR SYSTEM CLK 1.8V AVDD DVDD SYNC_IN SYNC_OUT I/O_UPDATE 32 32 PHASE/ ∆PHASE AMP/ ∆AMP 10 14 10 15 IOUT 10 Σ Σ Σ DAC IOUT DAC_RSET REF_CLK REF_CLK PWR_DWN_CTL MASTER_RESET SCLK SDIO_0 SDIO_1 SDIO_2 SDIO_3 CS TIMING AND CONTROL LOGIC SCALABLE DAC REF CURRENT MUX I/O PORT BUFFER CONTROL REGISTERS CHANNEL REGISTERS PROFILE REGISTERS ÷4 REF CLOCK MULTIPLIER 4 × TO 20× 1.8V PS0 PS1 PS2 PS3 DVDD_I/O COS(X) DDS CORE Figure 1. |
Аналогичный номер детали - AD9958BCPZ-REEL7 |
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Аналогичное описание - AD9958BCPZ-REEL7 |
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