STM32F479AI datasheet(118/208 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F479xx

118/208

DocID028010 Rev 2

IDD(PLLI2S)(4)

PLLI2S power consumption

on VDD

VCO freq = 192 MHz

VCO freq = 432 MHz

0.15

0.45

0.40

0.75

IDDA(PLLI2S)(4)

PLLI2S power consumption

on VDDA

VCO freq = 192 MHz

VCO freq = 432 MHz

0.30

0.55

0.40

0.85

1. Take care of using the appropriate division factor M to have the specified PLL input clock values.

2. Guaranteed by design.

3. Value given with main PLL running.

4. Based on test during characterization.

Table 42. PLLI2S (audio PLL) characteristics (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 43. PLLSAI (audio and LCD-TFT PLL) characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fPLLSAI_IN

PLLSAI input clock(1)

-0.95(2)

12.10

MHz

fPLLSAI_OUT

PLLSAI multiplier output clock

216

fVCO_OUT

PLLSAI VCO output

192

432

tLOCK

PLLSAI lock time

VCO freq = 192 MHz

200

µs

VCO freq = 432 MHz

100

300

Jitter(3)

Main SAI clock jitter

Cycle to cycle at

12.288 MHz on

48KHz period,

N=432, R=5

RMS

peak

±280

Average frequency of

12.288 MHz

N = 432, R = 5

on 1000 samples

-90

FS clock jitter

Cycle to cycle at 48 KHz

on 1000 samples

-400

IDD(PLLSAI)(4)

PLLSAI power consumption on

VDD

VCO freq = 192 MHz

VCO freq = 432 MHz

0.15

0.45

0.40

0.75

IDDA(PLLSAI)(4)

PLLSAI power consumption on

VDDA

VCO freq = 192 MHz

VCO freq = 432 MHz

0.30

0.55

0.40

0.85

1. Take care of using the appropriate division factor M to have the specified PLL input clock values.

2. Guaranteed by design.

3. Value given with main PLL running.

4. Based on test during characterization.

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