參數(shù)資料
型號： LMK04000BEVAL/NOPB
廠商： National Semiconductor
文件頁數(shù)： 7/65頁
文件大小： 0K
描述： BOARD EVAL PRECISION CLOCK PLL
標準包裝： 1
系列： PowerWise®
主要目的： 計時，時鐘調(diào)節(jié)器
嵌入式： 否
已用 IC / 零件： LMK04000
主要屬性： 122.88 MHz VCXO
次要屬性： 集成式 PLL 和 VCO
已供物品： 板，線纜
其它名稱： LMK04000BEVAL
LMK04000BEVAL-ND
SNOSAZ8J – SEPTEMBER 2008 – REVISED SEPTEMBER 2011
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 (25) (26)
BW = 12 kHz to 20 MHz
140
200
fCLKout = 250 MHz
BW = 100 Hz to 20 MHz
185
Integrated RMS Jitter
LMK040x1 (27) (26)
BW = 12 kHz to 20 MHz
130
200
fCLKout = 250 MHz
BW = 100 Hz to 20 MHz
190
Integrated RMS Jitter
JCLKout
fs
LVPECL/2VPECL
LMK040x2 (28) (26)
BW = 12 kHz to 20 MHz
150
200
fCLKout = 250 MHz
BW = 100 Hz to 20 MHz
190
Integrated RMS Jitter
LMK040x3 (29) (26)
BW = 12 kHz to 20 MHz
145
200
fCLKout = 250 MHz
BW = 100 Hz to 20 MHz
200
Integrated RMS Jitter
LMK040x1 (30)
BW = 12 kHz to 20 MHz
130
fCLKout = 250 MHz
BW = 100 Hz to 20 MHz
190
Integrated RMS Jitter
JCLKout
fs
LVDS
LMK040x3 (31)
BW = 12 kHz to 20 MHz
145
fCLKout = 250 MHz
BW = 100 Hz to 20 MHz
200
Integrated RMS Jitter
(25) For LMK040x0, FVCO = 1250 MHz. PLL1 parameters: FDET = 1 MHz, ICP1 = 100 A, 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 k
Ω, 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.
(26) Max jitter specification applies to CH3 (LVPECL) output and guaranteed by test in production.
(27) For LMK040x1, FVCO = 1500 MHz. PLL1 parameters: FDET = 1 MHz, ICP1 = 100 A, loop bandwidth = 20 Hz. A 100 MHz VCXO drives
the OSCin input of PLL2. PLL2 parameters: VCO_DIV = 3, N2 = 5, R2 = 1, FDET = 100 MHz, ICP2 = 1.6 mA, C1 = 0 pF, C2 = 12 nF, R2
= 1.8 k
Ω, LBW = 271 kHz, PM = 80°. CLKDIST parameters: CLKoutX_DIV = 2, 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.
(28) For LMK040x2, FVCO = 1750 MHz. PLL1 parameters: FDET = 1 MHz, ICP1 = 100 A, 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 k
Ω, 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.
(29) For LMK040x3, FVCO = 2000 MHz. PLL1 parameters: FDET = 1 MHz, ICP1 = 100 A, loop bandwidth = 20 Hz. A 100 MHz VCXO drives
the OSCin input of PLL2. PLL2 parameters: VCO_DIV = 2, N2 = 10, R2 = 1, FDET = 100 MHz, ICP2 = 1.6 mA, C1 = 0 pF, C2 = 12 nF,
R2 = 1.8 k
Ω, LBW = 445 kHz, PM = 76°. CLKDIST parameters: CLKoutX_DIV = 4, 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.
(30) For LMK040x1, FVCO = 1500 MHz. PLL1 parameters: FDET = 1 MHz, ICP1 = 100 A, loop bandwidth = 20 Hz. A 100 MHz VCXO drives
the OSCin input of PLL2. PLL2 parameters: VCO_DIV = 3, N2 = 5, R2 = 1, FDET = 100 MHz, ICP2 = 1.6 mA, C1 = 0 pF, C2 = 12 nF, R2
= 1.8 k
Ω, LBW = 271 kHz, PM = 80°. CLKDIST parameters: CLKoutX_DIV = 2, 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.
(31) For LMK040x3, FVCO = 2000 MHz. PLL1 parameters: FDET = 1 MHz, ICP1 = 100 A, loop bandwidth = 20 Hz. A 100 MHz VCXO drives
the OSCin input of PLL2. PLL2 parameters: VCO_DIV = 2, N2 = 10, R2 = 1, FDET = 100 MHz, ICP2 = 1.6 mA, C1 = 0 pF, C2 = 12 nF,
R2 = 1.8 k
Ω, LBW = 445 kHz, PM = 76°. CLKDIST parameters: CLKoutX_DIV = 4, 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.
Copyright 2008–2011, Texas Instruments Incorporated
15
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