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LM15851NKET Datasheet(PDF) 1 Page - Texas Instruments |
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LM15851NKET Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 87 page  -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 20 40 60 80 100 120 Frequency (MHz) C002 Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM15851 SLAS990D – JANUARY 2014 – REVISED JULY 2015 LM15851 Ultra-Wideband RF Sampling Subsystem 1 Features 2 Applications 1 • Excellent Noise and Linearity up to and beyond • Wireless Infrastructure FIN = 3 GHz • RF-Sampling Software Defined Radio • Configurable DDC • Wideband Microwave Backhaul • Decimation Factors from 4 to 32 (Complex • DOCSIS / Cable Infrastructure Baseband Out) 3 Description • Usable Output Bandwidth of 800 MHz at 4x Decimation and 4000 MSPS The LM15851 device is a wideband sampling and digital tuning device. Texas Instruments' giga-sample • Usable Output Bandwidth of 100 MHz at analog-to-digital converter (ADC) technology enables 32x Decimation and 4000 MSPS a large block of frequency spectrum to be sampled • Low Pin-Count JESD204B Subclass 1 Interface directly at RF. An integrated DDC (Digital Down • Automatically Optimized Output Lane Count Converter) provides digital filtering and down- conversion. The selected frequency block is made • Embedded Low Latency Signal Range Indication available on a JESD204B serial interface. Data is • Low Power Consumption output as baseband 15-bit complex information for • Key Specifications ease of downstream processing. Based on the digital down-converter (DDC) decimation and link output – Max Sampling Rate: 4000 MSPS rate settings, this data is output on 1 to 5 lanes of the – Min Sampling Rate: 1000 MSPS serial interface. – DDC Output Word Size: 15-Bit Complex (30 The LM15851 device is available in a 68-pin VQFN bits total) package. The device operates over the Industrial – IMD3: −64 dBc (FIN = 2140 MHz ± 30 MHz at (–40°C ≤ TA ≤ 85°C) ambient temperature range. −13 dBFS) – FPBW (–3 dB): 3.2 GHz Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) – Supply Voltages: 1.9 V and 1.2 V LM15851 VQFN (68) 10.00 mm × 10.00 mm – Power Consumption (1) For all available packages, see the orderable addendum at – Decimate by 10 (4000 MSPS): 2 W the end of the datasheet. – Power Down Mode: <50 mW Decimate by 16 — Spectral Response ƒS = 4 GHz, FIN = 1897 MHz at –1 dBFS, ƒ(NCO_x) = 1827 MHz 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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