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LMX2492QRTWTQ1 bảng dữ liệu(PDF) 1 Page - Texas Instruments |
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LMX2492QRTWTQ1 bảng dữ liệu(HTML) 1 Page - Texas Instruments |
1 / 42 page Vcc (x5) GND (x3) Fin Fin* OSCin R Divider (16 bit) Charge Pump CPout MICROWIRE Interface CLK LE DATA CE GND/OSCin* 2X Vcp MUX MUXout MOD TRIG1 TRIG2 Modulation Generator N Divider (18 bit) 6' Compensation (24 bit) 18 : 68 : R2_LF C2_LF C1_LF 51 : 51 : 36 : Phase Comp 51 : 18 : 18 : To Circuit Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMX2492, LMX2492-Q1 SNAS624B – MARCH 2014 – REVISED MAY 2015 LMX2492/LMX2492-Q1 14 GHz Low Noise Fractional N PLL with Ramp/Chirp Generation 1 Features 3 Description The LMX2492/92-Q1 is a low noise 14 GHz 1 • -227 dBc/Hz Normalized PLL Noise wideband delta-sigma fractional N PLL with ramp and • 500 MHz - 14 GHz Wideband PLL chirp generation. It consists of a phase frequency • 3.15 - 5.25 V Charge Pump PLL Supply detector, programmable charge pump, and high frequency input for the external VCO. The • Versatile Ramp / Chirp Generation LMX2492/92-Q1 supports a broad and flexible class • 200 MHz Max Phase Detector Frequency of ramping capabilities, including FSK, PSK, and • FSK / PSK Modulation Pin configurable piecewise linear FM modulation profiles of up to 8 segments. It supports fine PLL resolution • Digital Lock Detect and fast ramp with up to a 200 MHz phase detector • Single 3.3 V Supply Capability rate. The LMX2492/92-Q1 allows any of its registers • Automotive 125°C Q100 Grade 1 Qualification to be read back. The LMX2492/92-Q1 can operate • Non-Automotive (LMX2492) Option with a single 3.3 V supply. Moreover, supporting up to 5.25 V charge pump can eliminate the need of external amplifier, leading to a simpler solution with 2 Applications improved phase noise performance. • Automotive FMCW Radar • Military Radar Device Information • Microwave Backhaul PART NUMBER PACKAGE BODY SIZE (NOM) LMX2492-Q1RTW WQFN (24) 4.00 mm x 4.00 mm • Test and Measurement LMX2492RTW WQFN (24) 4.00 mm x 4.00 mm • Satellite Communications • Wireless Infrastructure (1) For all available packages, see the orderable addendum at the end of the datasheet. • Sampling Clock for High Speed ADC/DAC 4 Simplified Schematic 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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