45.12.3 Digital Phase Locked Loop (DPLL) Characteristics

Table 45-52. Fractional Digital Phase Locked Loop Characteristics
SymbolParameterConditionsMin.Typ.Max.Units
fIN(1)Input frequency322000KHz
fOUT(1)DCO Output frequency4896MHz
Jp(2)

Period jitter

(Peak-Peak value)

fIN = 32 kHz, fOUT = 48 MHz-1.53.0%
fIN = 32 kHz, fOUT = 64 MHz-1.74.0
fIN = 32 kHz, fOUT = 96 MHz-2.78.0
fIN = 2 MHz, fOUT = 48 MHz-1.84.0
fIN = 2 MHz, fOUT = 64 MHz-1.94.0
fIN = 2 MHz, fOUT = 96 MHz-2.56.0
tLOCK(2)Lock Time

After startup, time to get lock signal.

fIN = 32 kHz,

fOUT = 96 MHz

-1.11.5ms

After startup, time to get lock signal.

fIN = 2 MHz,

fOUT = 96 MHz

-2535μs
Duty(1)Duty cycle--50-%
  1. These values are based on simulation, and are not covered by test limits in production or characterization.
  2. These values are based on characterization.
  3. DPLL jitter is sensitive to digital on-chip activity, which is application dependent.
Table 45-53. Power Consumption(1)
SymbolParametersConditionsTaTyp.Max.Units
IDDCurrent Consumption Ck = 48 MHz, VDD = 5.0V

Max 85°C

Typ 25°C

536612µA
Ck = 64 MHz, VDD = 5.0V640721
Ck = 96 MHz, VDD = 5.0V865970
  1. These values are based on characterization.