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LMX2541SQE3740E Datasheet(PDF) 6 Page - Texas Instruments |
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LMX2541SQE3740E Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 64 page  LMX2541SQ2060E, LMX2541SQ2380E LMX2541SQ2690E, LMX2541SQ3030E LMX2541SQ3320E, LMX2541SQ3740E SNOSB31I – JULY 2009 – REVISED FEBRUARY 2013 www.ti.com Package Thermal Resistance Package θJA θJC 9 Thermal Vias 31.7 °C/W 7.3 °C/W (Recommended for Most Reliable Solderability) 13 Thermal Vias (Compromise Between Solderability, Heat Dissipation, and 30.3 °C/W 7.3 °C/W Fractional Spurs) 16 Thermal Vias 29.8 °C/W 7.3 °C/W (Recommended for Optimal Heat Dissipation and Fractional Spurs) Electrical Characteristics (3.15 V ≤ VCC ≤ 3.45 V, -40°C ≤ TA ≤ 85 °C; except as specified. Typical values are at Vcc = 3.3 V, 25 C.) Symbol Parameter Conditions Min Typ Max Units Current Consumption Default Power VCO_DIV>1 170 204 Entire Chip Supply Current with ICC Mode mA all blocks enabled VCO_DIV=1 130 156 (1) IPLL Current for External VCO Mode RFoutEN = LOW 72 94 mA VCO_DIV >1 IDIV Current for Divider Only Mode Default Power Mode 84 110 mA (1) ICCPD Power Down Current CE = 0 V, Device Initialized 100 250 µA Oscillator (Normal Mode Operation with XO=0) Oscillator Input High Current for IIHOSC in VIH = 2.75 V 300 µA OSCin and OSCin* Oscillator Input Low Current for IILOSCin VIL = 0 -100 µA OSCin and OSCin* pins OSC_2X = 1 5 52 OSCin Frequency Range fOSCin MODE = 0 5 700 MHz (2) OSC_2X = 0 MODE = 1 5 900 dvOSCin Slew Rate (2) 150 V/µs Single-Ended 0.2 2.0 vOSCin Oscillator Sensitivity dvOSCin ≥ 150 V/µs Vpp Differential 0.4 3.1 Oscillator (Crystal Mode with XO=1) fXTAL Crystal Frequency Range VIH = 2.75 V 5 20 MHz Crystal Equivalent Series This a requirement for the crystal, not a characteristic ESRXTAL 100 Ω Resistance of the LMX2541. This requirement is for the crystal, not a PXTAL Power Dissipation in Crystal 200 µW characteristic of the LMX2541. COSCin Input Capacitance of OSCin 6 pF PLL fPD Phase Detector Frequency 104 MHz CPG = 1X 100 CPG = 2X 200 Charge Pump ICPout CPG = 3X 300 µA Output Current Magnitude ... ... CPG=32X 3200 ICPoutTRI CP TRI-STATE Current 0.4 V < VCPout < Vcc - 0.4 1 5 nA Charge Pump VCPout = Vcc / 2 ICPoutMM 3 10 % Sink vs. Source Mismatch TA = 25°C (1) The LMX2541 RFout power level is programmable with the program words of VCOGAIN, OUTTERM, and DIVGAIN. Changing these words can change the output power of the VCO as well as the current consumption of the output buffer. For the purpose of consistency in electrical specifications, "Default Power Mode" is defined to be the settings of VCOGAIN = OUTTERM = DIVGAIN = 12. (2) Not tested in production. Guaranteed by characterization. OSCin is tested only to 400 MHz. 6 Submit Documentation Feedback Copyright © 2009–2013, Texas Instruments Incorporated Product Folder Links: LMX2541SQ2060E LMX2541SQ2380E LMX2541SQ2690E LMX2541SQ3030E LMX2541SQ3320E LMX2541SQ3740E |
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