Datasheet

Electrical characteristics STM32F21xxx
94/175 DocID17050 Rev 9
Jitter
(3)
Master I2S clock jitter
Cycle to cycle at
12.288 MHz on
48KHz period,
N=432, R=5
RMS - 90 -
peak
to
peak
- ±280 - ps
Average frequency of
12.288 MHz
N=432, R=5
on 1000 samples
-90 -ps
WS I2S clock jitter
Cycle to cycle at 48 KHz
on 1000 samples
-400 - ps
I
DD(PLLI2S)
(4)
PLLI2S power consumption on
V
DD
VCO freq = 192 MHz
VCO freq = 432 MHz
0.15
0.45
-
0.40
0.75
mA
I
DDA(PLLI2S)
(4)
PLLI2S power consumption on
V
DDA
VCO freq = 192 MHz
VCO freq = 432 MHz
0.30
0.55
-
0.40
0.85
mA
1. Take care of using the appropriate division factor M to have the specified PLL input clock values.
2. Guaranteed by design, not tested in production.
3. Value given with main PLL running.
4. Based on characterization, not tested in production.
Table 34. PLLI2S (audio PLL) characteristics (continued)
Symbol Parameter Conditions Min Typ Max Unit