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LMK04906 Datasheet(PDF) 11 Page - Texas Instruments |
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LMK04906 Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 113 page  LMK04906 www.ti.com SNAS589D – JUNE 2012 – REVISED MAY 2013 Electrical Characteristics (continued) (3.15 V ≤ VCC ≤ 3.45 V, -40 °C ≤ TA ≤ 85 °C. Typical values represent most likely parametric norms at VCC = 3.3 V, TA = 25 °C, at the Recommended Operating Conditions at the time of product characterization and are not guaranteed.) Symbol Parameter Conditions Min Typ Max Units PLL1 Specifications fPD1 PLL1 Phase Detector Frequency 40 MHz VCPout1 = VCC/2, PLL1_CP_GAIN = 0 100 PLL1 Charge VCPout1 = VCC/2, PLL1_CP_GAIN = 1 200 ICPout1SOURCE Pump Source Current µA VCPout1 = VCC/2, PLL1_CP_GAIN = 2 400 (5) VCPout1 = VCC/2, PLL1_CP_GAIN = 3 1600 VCPout1=VCC/2, PLL1_CP_GAIN = 0 -100 PLL1 Charge VCPout1=VCC/2, PLL1_CP_GAIN = 1 -200 ICPout1SINK Pump Sink Current µA VCPout1=VCC/2, PLL1_CP_GAIN = 2 -400 (5) VCPout1=VCC/2, PLL1_CP_GAIN = 3 -1600 Charge Pump ICPout1%MIS VCPout1 = VCC/2, T = 25 °C 3 10 % Sink / Source Mismatch Magnitude of Charge Pump Current 0.5 V < VCPout1 < VCC - 0.5 V ICPout1VTUNE 4 % Variation vs. Charge Pump Voltage TA = 25 °C Charge Pump Current vs. Temperature ICPout1%TEMP 4 % Variation Charge Pump TRI-STATELeakage ICPout1 TRI 0.5 V < VCPout < VCC - 0.5 V 5 nA Current PLL1_CP_GAIN = 400 µA -117 PLL 1/f Noise at 10 kHz offset. PN10kHz dBc/Hz Normalized to 1 GHz Output Frequency PLL1_CP_GAIN = 1600 µA -118 PLL1_CP_GAIN = 400 µA -221.5 PN1Hz Normalized Phase Noise Contribution dBc/Hz PLL1_CP_GAIN = 1600 µA -223 PLL2 Reference Input (OSCin) Specifications PLL2 Reference Input fOSCin 500 MHz (6) PLL2 Reference Clock minimum slew SLEWOSCin 20% to 80% 0.15 0.5 V/ns rate on OSCin(7) Input Voltage for OSCin or OSCin* AC coupled; Single-ended (Unused pin VOSCin 0.2 2.4 Vpp (7) AC coupled to GND) VIDOSCin 0.2 1.55 |V| Differential voltage swing AC coupled Figure 14 VSSOSCin 0.4 3.1 Vpp DC offset voltage between VOSCin-offset OSCin/OSCin* Each pin AC coupled 20 mV OSCinX* - OSCinX EN_PLL2_REF_2X = 1; fdoubler_max Doubler input frequency (7) 155 MHz OSCin Duty Cycle 40% to 60% Crystal Oscillator Mode Specifications Crystal Frequency Range fXTAL RESR < 40 Ω 6 20.5 MHz (7) Vectron VXB1 crystal, 20.48 MHz, PXTAL Crystal Power Dissipation (8) RESR < 40 Ω 100 µW XTAL_LVL = 0 Input Capacitance of LMK04906 OSCin CIN -40 to +85 °C 6 pF port (5) This parameter is programmable (6) FOSCin maximum frequency guaranteed by characterization. Production tested at 200 MHz. (7) Guaranteed by characterization. (8) See Application Section discussion of Crystal Power Dissipation. OPTIONAL CRYSTAL OSCILLATOR IMPLEMENTATION (OSCin/OSCin*) Copyright © 2012–2013, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LMK04906 |
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