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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD9174 датащи(PDF) 1 Page - Analog Devices |
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AD9174 датащи(HTML) 1 Page - Analog Devices |
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1 / 164 page  Dual, 16-Bit, 12.6 GSPS RF DAC and Direct Digital Synthesizer Data Sheet AD9174 Rev. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2018–2019 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Supports multiband wireless applications 3 bypassable, complex data input channels per RF DAC 3.08 GSPS maximum complex input data rate per input channel 1 independent NCO per input channel Proprietary, low spurious and distortion design 2-tone IMD3 = −83 dBc at 1.84 GHz, −7 dBFS/tone RF output SFDR <−80 dBc at 1.84 GHz, −7 dBFS RF output Flexible 8-lane, 15.4 Gbps JESD204B interface Supports single-band and multiband use cases Supports 12-bit high density mode for increased data throughput Multiple chip synchronization Supports JESD204B Subclass 1 Selectable interpolation filter for a complete set of input data rates 1×, 2×, 3×, 4×, 6×, and 8× configurable data channel interpolation 1×, 2×, 4×, 6×, 8×, and 12× configurable final interpolation Final 48-bit NCO that operates at the DAC rate to support frequency synthesis up to 6 GHz Transmit enable function allows extra power saving and downstream circuitry protection High performance, low noise PLL clock multiplier Supports 12.6 GSPS DAC update rate Observation ADC clock driver with selectable divide ratios Low power 2.54 W with 2 DACs at 12 GSPS, DAC PLL on 10 mm × 10 mm, 144-ball BGA_ED with metal enhanced thermal lid, 0.80 mm pitch APPLICATIONS Wireless communications infrastructure Multiband base station radios Microwave/E-band backhaul systems Instrumentation, automatic test equipment (ATE) Radars and jammers GENERAL DESCRIPTION The AD9174 is a high performance, dual, 16-bit digital-to-analog converter (DAC) that supports DAC sample rates up to 12.6 GSPS. The device features an 8-lane, 15.4 Gbps JESD204B data input port, a high performance, on-chip DAC clock multiplier, and digital signal processing capabilities targeted at single-band and multiband direct to radio frequency (RF) wireless applications. The AD9174 features three complex data input channels per RF DAC datapath. Each input channel is fully bypassable. Each data input channel (or channelizer) includes a configurable gain stage, an interpolation filter, and a channel numerically controlled oscillator (NCO) for flexible, multiband frequency planning. The AD9174 supports an input data rate of up to a 3.08 GSPS complex (inphase/quadrature (I/Q)), or up to 6.16 GSPS non- complex (real), and is capable of allocating multiple complex input data streams to the assigned channels for individual processing. Each group of three channelizers is summed into a respective main datapath for additional processing when needed. Each main datapath includes an interpolation filter and one 48-bit main NCO ahead of the RF DAC core. Using the modulator switch, the outputs of a main datapath can be either routed to DAC0 alone for operating as a single DAC, or routed to both DAC0 and DAC1 for operating as a dual, intermediate frequency DAC (IF DAC). The AD9174 also supports ultrawide data rate modes that allow bypassing the channelizers and main datapaths to provide maximum data rates of up to 6.16 GSPS as a single, 16-bit DAC, up to 3.08 GSPS as a dual, 16-bit DAC, or up to 4.1 GSPS as a dual, 12-bit DAC. Additionally, the main NCO blocks in the AD9174 contain a bank of 31, 32-bit NCOs, each with an independent phase accumulator. Combined with a 80 MHz serial peripheral interface (SPI) for programming the NCOs, this bank allows a phase coherent, fast frequency hopping (FFH) for applications where the NCO frequencies are continuously adjusted during operation. The AD9174 is available in a 144-ball BGA_ED package. PRODUCT HIGHLIGHTS 1. A low power, multichannel, dual DAC design reduces power consumption in higher bandwidth and multichannel applications, while maintaining performance. 2. Supports single-band and multiband wireless applications with three bypassable complex data channels per RF DAC, or configurations that use the two main datapaths as two wideband complex data channels when using the built in modulator switch. 3. A maximum complex data rate (per I or Q) of up to 3.08 GSPS with 16-bit resolution, and up to 4.1 GSPS with 12-bit resolution. The AD9174 can be alternatively configured as a dual DAC, with each DAC operating across an independent JESD204B link, at the previously described data rates. 4. Ultrawide bandwidth single-DAC modes, supporting up to 6.16 GSPS data rates with 16-bit resolution. |
Аналогичный номер детали - AD9174 |
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Аналогичное описание - AD9174 |
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