Datasheet

Electrical characteristics STM32F303x6/x8
52/121 DocID025083 Rev 7
6.3.4 Embedded reference voltage
The parameters given in Table 24 are derived from tests performed under ambient
temperature and V
DD
supply voltage conditions summarized in Table 20.
Table 23. Programmable voltage detector characteristics
Symbol Parameter Conditions Min.
(1)
1. Data based on characterization results only, not tested in production.
Typ. Max.
(1)
Unit
V
PVD0
PVD threshold 0
Rising edge 2.1 2.18 2.26
V
Falling edge 2 2.08 2.16
V
PVD1
PVD threshold 1
Rising edge 2.19 2.28 2.37
Falling edge 2.09 2.18 2.27
V
PVD2
PVD threshold 2
Rising edge 2.28 2.38 2.48
Falling edge 2.18 2.28 2.38
V
PVD3
PVD threshold 3
Rising edge 2.38 2.48 2.58
Falling edge 2.28 2.38 2.48
V
PVD4
PVD threshold 4
Rising edge 2.47 2.58 2.69
Falling edge 2.37 2.48 2.59
V
PVD5
PVD threshold 5
Rising edge 2.57 2.68 2.79
Falling edge 2.47 2.58 2.69
V
PVD6
PVD threshold 6
Rising edge 2.66 2.78 2.9
Falling edge 2.56 2.68 2.8
V
PVD7
PVD threshold 7
Rising edge 2.76 2.88 3
Falling edge 2.66 2.78 2.9
V
PVDhyst
(2)
2. Guaranteed by design, not tested in production.
PVD hysteresis - - 100 - mV
IDD(PVD)
PVD current
consumption
- - 0.15 0.26 µA
Table 24. Embedded internal reference voltage
Symbol Parameter Conditions Min. Typ. Max. Unit
V
REFINT
Internal reference voltage –40 °C < T
A
< +105 °C 1.20 1.23 1.25 V
T
S_vrefint
ADC sampling time when
reading the internal
reference voltage
-2.2--µs
V
RERINT
Internal reference voltage
spread over the
temperature range
V
DD
= 31.8 V ±10 mV - - 10
(1)
1. Guaranteed by design, not tested in production.
mV
T
Coeff
Temperature coefficient - - - 100
(1)
ppm/°C
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