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LMK03001D Datasheet(PDF) 7 Page - Texas Instruments |
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LMK03001D Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 45 page  LMK03000, LMK03000C, LMK03000D, LMK03001 LMK03001C, LMK03001D, LMK03033, LMK03033C www.ti.com SNAS381O – NOVEMBER 2006 – REVISED MARCH 2013 3.4 Electrical Characteristics (1) (3.15 V ≤ Vcc ≤ 3.45 V, -40 °C ≤ TA ≤ 85 °C, Differential Inputs/Outputs; Vboost=0; except as specified. Typical values represent most likely parametric norms at Vcc = 3.3 V, TA = 25 °C, and at the Recommended Operation Conditions at the time of product characterization and are not ensured). Symbol Parameter Conditions Min Typ Max Units Current Consumption Entire device; one LVDS and one LVPECL clock enabled; no divide; no 161.8 delay. ICC Power Supply Current (2) mA Entire device; All Outputs Off (no 86 emitter resistors placed) ICCPD Power Down Current POWERDOWN = 1 1 mA Reference Oscillator Reference Oscillator Input Frequency fOSCinsquare 1 200 MHz Range for Square Wave AC coupled; Differential (VOD) Square Wave Input Voltage for OSCin VOSCinsquare 0.2 1.6 Vpp and OSCin* PLL fPD Phase Detector Frequency 40 MHz VCPout = Vcc/2, PLL_CP_GAIN = 1x 100 VCPout = Vcc/2, PLL_CP_GAIN = 4x 400 ISRCECPout Charge Pump Source Current µA VCPout = Vcc/2, PLL_CP_GAIN = 16x 1600 VCPout = Vcc/2, PLL_CP_GAIN = 32x 3200 VCPout = Vcc/2, PLL_CP_GAIN = 1x -100 VCPout = Vcc/2, PLL_CP_GAIN = 4x -400 ISINKCPout Charge Pump Sink Current µA VCPout = Vcc/2, PLL_CP_GAIN = 16x -1600 VCPout = Vcc/2, PLL_CP_GAIN = 32x -3200 ICPoutTRI Charge Pump TRI-STATE Current 0.5 V < VCPout < Vcc - 0.5 V 2 10 nA Magnitude of Charge Pump VCPout = Vcc / 2 ICPout%MIS 3 % Sink vs. Source Current Mismatch TA = 25°C Magnitude of Charge Pump 0.5 V < VCPout < Vcc - 0.5 V ICPoutVTUNE Current vs. Charge Pump Voltage 4 % TA = 25°C Variation Magnitude of Charge Pump Current vs. ICPoutTEMP 4 % Temperature Variation PLL_CP_GAIN = 1x -117 PLL 1/f Noise at 10 kHz Offset (3) PN10kHz dBc/Hz Normalized to 1 GHz Output Frequency PLL_CP_GAIN = 32x -122 PLL_CP_GAIN = 1x -219 Normalized Phase Noise Contribution PN1Hz dBc/Hz (4) PLL_CP_GAIN = 32x -224 (1) The Electrical Characteristics table lists ensured specifications under the listed Recommended Operating Conditions except as otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not ensured. (2) See Section 8.5 for more current consumption / power dissipation calculation information. (3) A specification in modeling PLL in-band phase noise is the 1/f flicker noise, LPLL_flicker(f), which is dominant close to the carrier. Flicker noise has a 10 dB/decade slope. PN10kHz is normalized to a 10 kHz offset and a 1 GHz carrier frequency. PN10kHz = LPLL_flicker(10 kHz) - 20log(Fout / 1 GHz), where LPLL_flicker(f) is the single side band phase noise of only the flicker noise's contribution to total noise, L(f). To measure LPLL_flicker(f) it is important to be on the 10 dB/decade slope close to the carrier. A high compare frequency and a clean crystal are important to isolating this noise source from the total phase noise, L(f). LPLL_flicker(f) can be masked by the reference oscillator performance if a low power or noisy source is used. The total PLL inband phase noise performance is the sum of LPLL_flicker(f) and LPLL_flat(f). (4) A specification in modeling PLL in-band phase noise is the Normalized Phase Noise Contribution, LPLL_flat(f), of the PLL and is defined as PN1Hz = LPLL_flat(f) – 20log(N) – 10log(fCOMP). LPLL_flat(f) is the single side band phase noise measured at an offset frequency, f, in a 1 Hz Bandwidth and fCOMP is the phase detector frequency of the synthesizer. LPLL_flat(f) contributes to the total noise, L(f). To measure LPLL_flat(f) the offset frequency, f, must be chosen sufficiently smaller then the loop bandwidth of the PLL, and yet large enough to avoid a substantial noise contribution from the reference and flicker noise. LPLL_flat(f) can be masked by the reference oscillator performance if a low power or noisy source is used. Copyright © 2006–2013, Texas Instruments Incorporated Electrical Specifications 7 Submit Documentation Feedback Product Folder Links: LMK03000 LMK03000C LMK03000D LMK03001 LMK03001C LMK03001D LMK03033 LMK03033C |
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