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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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LMX2820 데이터시트(PDF) 8 Page - Texas Instruments |
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LMX2820 데이터시트(HTML) 8 Page - Texas Instruments |
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8 / 37 page  8 LMX2820 SNAS783 – JUNE 2020 www.ti.com Product Folder Links: LMX2820 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated Electrical Characteristics (continued) 3.15 V ≤ VCC ≤ 3.45 V, –40°C ≤ TA ≤ 85°C. Typical values are at VCC = 3.3 V, 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (11) Not tested in production. Ensured by characterization. Allowable temperature drift refers to programming the device at an initial temperature and allowing this temperature to drift WITHOUT reprogramming the device, and still have the device stay at lock. This change could be up or down in temperature and the specification does not apply to temperatures that go outside the recommended operating temperatures of the device. (12) Measured with one of the RF output differential pair pins, the unused pin is 50-Ω terminated. See Initialization Setup and Power on Sequencing for details. (13) One RF output is active. Measured with JSO-51-471/6S balun. |ΔTCL| Allowable temperature drift(11) VCO not being re-calibrated; –40°C ≤ TA ≤ 85°C 125 °C RF OUTPUT fOUT RF output frequency 43.75 22400 MHz POUT Single-ended output power(12) fOUT = 22 GHz OUTx_PWR = 7 0 dBm fOUT = 11 GHz 4 fOUT ≤ 5.5 GHz 6 H1/2 1/2 harmonic(13) fOUT = 2 x fVCO = 11 GHz to 22 GHz −40 dBc H3/2 3/2 harmonic fOUT = 2 x fVCO = 11 GHz to 22 GHz −45 H2 Second harmonic fVCO = fOUT = 11 GHz −20 fVCO = 11 GHz; fOUT = 5.5 GHz −35 fOUT = 2 x fVCO = 11 GHz to 22 GHz −25 H3 Third harmonic fVCO = fOUT = 11 GHz −27 fVCO = 11 GHz; fOUT = 5.5 GHz −14 PMUTE Single-ended output power when output is muted(12) fOUT = 22 GHz −32 dBm fOUT = 11 GHz −32 fOUT = 5.5 GHz −53 tMUTE Mute enable time fOUT = 11 GHz 200 ns tunMUTE Mute disable time fOUT = 11 GHz 200 isoCH Channel to channel isolation fOUTA = 11 GHz; fOUTB = 5.5 GHz; POUTA = POUTB = 0 dBm –50 dBc PHASE SYNCHRONIZATION fOSCinSYNC OSCin input frequency with SYNC Category 3 5 200 MHz Categories 1 and 2 5 800 DIGITAL INTERFACE (CE, SCK, SDI, CS#, PSYNC, MUTE) VIH High-level input voltage 1.2 VCC V VIL Low-level input voltage 0.6 IIH High-level input current CS#, MUTE, CE 25 µA SCK, SDI, PSYNC 60 IIL Low-level input current −1 VOH High-level output voltage Load current = –5 mA MUXout, LD VCC–0.4 V VOL Low-level output voltage Load current = 5 mA 0.4 6.6 Timing Requirements 3.15 V ≤ VCC ≤ 3.45 V, –40°C ≤ TA ≤ 85°C. Typical values are at VCC = 3.3 V, 25°C (unless otherwise noted) MIN NOM MAX UNIT SERIAL INTERFACE WRITE TIMING fSCK SCK frequency 1 / (tCWL+tCWH) 50 MHz |
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