DSPIC33FJ64GP706 datasheet(270/322 Pages) MICROCHIP

270 / 322 page

dsPIC33FJXXXGPX06/X08/X10

DS70286C-page 268

TABLE 25-17: PLL CLOCK TIMING SPECIFICATIONS (VDD = 3.0V TO 3.6V)

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +85°C for Industrial

Param

No.

Symbol

Characteristic

Min

Typ(1)

Max

Units

Conditions

OS50

FPLLI

PLL Voltage Controlled

Oscillator (VCO) Input

Frequency Range(2)

0.8

—

8.0

MHz ECPLL, HSPLL, XTPLL

modes

OS51

FSYS

On-Chip VCO System

Frequency

100

—

200

MHz —

OS52

TLOCK

PLL Start-up Time (Lock Time)

0.9

1.5

3.1

—

OS53

DCLK

CLKO Stability (Jitter)

-3.0

0.5

3.0

Measured over 100 ms

period

Note 1: Data in “Typ” column is at 3.3V, 25°C unless otherwise stated.

TABLE 25-18: AC CHARACTERISTICS: INTERNAL FRC ACCURACY

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +85°C for Industrial

Param

No.

Characteristic

Min

Typ

Max

Units

Conditions

Internal FRC Accuracy @ FRC Frequency = 7.37 MHz(1,2)

F20

FRC

-2

—

-40°C

≤ TA ≤ +85°C

VDD = 3.0-3.6V

Note 1: Frequency calibrated at 25°C and 3.3V. TUN bits can be used to compensate for temperature drift.

2: FRC is set to initial frequency of 7.37 MHz (±2%) at 25°C FRC.

TABLE 25-19: INTERNAL LPRC ACCURACY

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V (unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤ +85°C for Industrial

Param

No.

Characteristic

Min

Typ

Max

Units

Conditions

LPRC @ 32.768 kHz(1)

F21

LPRC

-20

±6

+20

-40°C

≤ TA ≤ +85°C

VDD = 3.0-3.6V

Note 1: Change of LPRC frequency as VDD changes.

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