Rainbow Electronics MAX9491 - Manual (Page 3)

MAX9491
Factory Programmable Single PLL
Clock Generator
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AC ELECTRICAL CHARACTERISTICS
(V DD = V DDA = +3.0V to +3.6V, C L = 10pF and T A = -40°C to +85°C. Typical values are at V DD = V DDA = 3.3V, T A = +25°C, unless
otherwise noted.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
OUTPUT CLOCK (CLK_OUT)
Minimum Frequency Range f
IN
= 5MHz to 50MHz 4
Maximum Frequency Range
f OUT
C L < 5pF 133 200
MHz
Clock Rise Time t R
20% to 80% of V DD , f OUT = 80MHz,
f IN = 13MHz
1.5 ns
Clock Fall Time t
F
80% to 20% of V DD , f OUT = 80MHz,
f IN = 13MHz
1.3 ns
Duty Cycle f OUT = 45MHz, f IN = 13MHz 44 50 56 %
f OUT = 45MHz, f IN = 13MHz 14
f OUT = 80MHz, f IN = 13MHz 22 Output Period Jitter J P
f
OUT
= 197MHz, f
IN
= 13MHz 13
ps
RMS
Soft Power-On Time t PO2
PD from low to high, f
OUT
= 45MHz,
f IN = 13MHz, see Figure 2
1 ms
Hard Power-On Time t PO1 See Figure 2 15 ms
VCXO CLOCK
Crystal Frequency f XTL 27 MHz
Crystal Accuracy ±30 ppm
Tuning Voltage Range V TUNE 0 3 V
VCXO Tuning Range V TUNE = 0 to 3V, C 1 = C 2 = 4pF ±150 ±200 ppm
TUNE Input Impedance Z TUNE 95 k Ω
Output CLK Accuracy V TUNE = 1.5V, C 1 = C 2 = 4pF ±50 ppm
Note 1: All parameters are tested at T A = +25°C. Specifications over temperature are guaranteed by design and characterization.
Note 2: Guaranteed by design and characterization; limits are set at ±6 sigma.