LMK04000, LMK04001, LMK04002, LMK04010
LMK04011, LMK04031, LMK04033
SNOSAZ8J –SEPTEMBER 2008–REVISED SEPTEMBER 2011
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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
LMK040x0 (32) BW = 12 kHz to 20 MHz 150
fCLKout = 250 MHz BW = 100 Hz to 20 MHz 190
Integrated RMS Jitter
LMK040x1 (30) BW = 12 kHz to 20 MHz 125
fCLKout = 250 MHz BW = 100 Hz to 20 MHz 185
Integrated RMS Jitter
JCLKout fs
LVCMOS LMK040x2 (33) BW = 12 kHz to 20 MHz 150
fCLKout = 250 MHz BW = 100 Hz to 20 MHz 190
Integrated RMS Jitter
LMK040x3 (31) BW = 12 kHz to 20 MHz 145
fCLKout = 250 MHz BW = 100 Hz to 20 MHz 195
Integrated RMS Jitter
CLKout's Internal VCO Closed Loop Jitter Specifications using the Integrated Low Noise Crystal Oscillator Circuit
LMK040x0 (34) BW = 12 kHz to 20 MHz 190
fCLKout = 245.76 MHz BW = 100 Hz to 20 MHz 230
Integrated RMS Jitter
LMK040x1 (35) BW = 12 kHz to 20 MHz 200
fCLKout = 245.76 MHz BW = 100 Hz to 20 MHz 230
Integrated RMS Jitter
JCLKout fs
LVPECL/2VPECL/LVDS LMK040x2 (36) BW = 12 kHz to 20 MHz 195
fCLKout = 245.76 MHz BW = 100 Hz to 20 MHz 230
Integrated RMS Jitter
LMK040x3 (37) BW = 12 kHz to 20 MHz 245
fCLKout = 245.76 MHz BW = 100 Hz to 20 MHz 260
Integrated RMS Jitter
(32) For LMK040x0, FVCO = 1250 MHz. PLL1 parameters: FDET = 1 MHz, ICP1 = 100 µA, loop bandwidth = 20 Hz. A 100 MHz VCXO drives
the OSCin input of PLL2. PLL2 parameters: VCO_DIV = 5, N2 = 5, R2 = 2, FDET = 50 MHz, ICP2 = 3.2 mA, C1 = 0 pF, C2 = 12 nF, R2
= 1.8 kΩ, LBW = 254 kHz, PM = 81°. CLKDIST parameters: CLKoutX_DIV = Bypass, CLKout_DLY = OFF. VCXO phase noise: 100 Hz:
-100 dBc/Hz; 1 kHz: -128 dBc/Hz; 10 kHz: -144 dBc/Hz; 100 kHz: -147 dBc/Hz.
(33) For LMK040x2, FVCO = 1750 MHz. PLL1 parameters: FDET = 1 MHz, ICP1 = 100 µA, loop bandwidth = 20 Hz. A 100 MHz VCXO drives
the OSCin input of PLL2. PLL2 parameters: VCO_DIV = 7, N2 = 5, R2 = 2, FDET = 50 MHz, ICP2 = 3.2 mA, C1 = 0 pF, C2 = 12 nF, R2
= 1.8 kΩ, LBW = 360 kHz, PM = 79°. CLKDIST parameters: CLKoutX_DIV = Bypass, CLKout_DLY = OFF. VCXO phase noise: 100 Hz:
-100 dBc/Hz; 1 kHz: -128 dBc/Hz; 10 kHz: -144 dBc/Hz; 100 kHz: -147 dBc/Hz.
(34) For LMK040x0, FVCO = 1228.8 MHz. PLL1 parameters: FDET = 1.024 MHz, ICP1 = 100 µA, loop bandwidth = 20 Hz. A 12.288 MHz
Vectron crystal (model: VXB1-1127-12M288000) and tuning circuitry is used with on-chip XO circuitry. PLL2 parameters: VCO_DIV = 5,
N2 = 10, EN_PLL2_REF2X = 1, FDET = 24.576 MHz, ICP2 = 3.2 mA, C1 = 0 pF, C2 = 12 nF, R2 = 1.8 kΩ, R3 = 600 Ω, R4 = 10 kΩ, C3
= 150 pF, C4 = 60 pF, LBW = 109 kHz, PM = 43°, CLKoutX_DIV = 2, CLKout_DLY = OFF.
(35) For LMK040x1, FVCO = 1474.56 MHz. PLL1 parameters: FDET = 1.024 MHz, ICP1 = 100 µA, loop bandwidth = 20 Hz. A 12.288 MHz
Ecliptek crystal (model: ECX-6465) and tuning circuitry is used with on-chip XO circuitry. PLL2 parameters: VCO_DIV = 3, N2 = 20,
EN_PLL2_REF2X = 1, FDET = 24.576 MHz, ICP2 = 3.2 mA, C1 = 0 pF, C2 = 12 nF, R2 = 1.8 kΩ, R3 = 600 Ω, R4 = 10 kΩ, C3 = 150
pF, C4 = 60 pF, LBW = 103 kHz, PM = 44°, CLKoutX_DIV = 2, CLKout_DLY = OFF.
(36) For LMK040x2, FVCO = 1720.32 MHz. PLL1 parameters: FDET = 1.024 MHz, ICP1 = 100 µA, loop bandwidth = 20 Hz. A 12.288 MHz
Vectron crystal (model: VXB1-1127-12M288000) and tuning circuitry is used with on-chip XO circuitry. PLL2 parameters: VCO_DIV = 7,
N2 = 10, EN_PLL2_REF2X = 1, FDET = 24.576 MHz, ICP2 = 3.2 mA, C1 = 0 pF, C2 = 12 nF, R2 = 1.8 kΩ, R3 = 600 Ω, R4 = 10 kΩ, C3
= 150 pF, C4 = 60 pF, LBW = 120 kHz, PM = 40°, CLKoutX_DIV = 2, CLKout_DLY = OFF.
(37) For LMK040x3, FVCO = 1966.08 MHz. PLL1 parameters: FDET = 1.024 MHz, ICP1 = 100 µA, loop bandwidth = 20 Hz. A 12.288 MHz
Ecliptek crystal (model: ECX-6465) and tuning circuitry is used with on-chip XO circuitry. PLL2 parameters: VCO_DIV = 4, N2 = 20,
EN_PLL2_REF2X = 1, FDET = 24.576 MHz, ICP2 = 3.2 mA, C1 = 0 pF, C2 = 12 nF, R2 = 1.8 kΩ, R3 = 600 Ω, R4 = 10 kΩ, C3 = 150
pF, C4 = 60 pF, LBW = 91 kHz, PM = 47°, CLKoutX_DIV = 2, CLKout_DLY = OFF.
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