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STM32G47PBY6TR Datasheet(PDF) 155 Page - STMicroelectronics

No. de pieza STM32G47PBY6TR
Descripción Electrónicos  Arm® Cortex®-M4 32-bit MCUFPU, up to 512 KB Flash, 170 MHz / 213DMIPS, 128 KB SRAM, rich analog, math accelerator
PDF  229 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32G47PBY6TR Datasheet(HTML) 155 Page - STMicroelectronics

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DS12712 Rev 3
155/229
STM32G473xB STM32G473xC STM32G473xE
Electrical characteristics
194
5.3.20
Voltage reference buffer characteristics
Table 73. VREFBUF characteristics(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Analog supply
voltage
Normal mode
VRS = 00
2.4
-
3.6
V
VRS = 01
2.8
-
3.6
VRS = 10
3.135
-
3.6
Degraded mode(2)
VRS= 00
1.65
-
2.4
VRS = 01
1.65
-
2.8
VRS= 10
1.65
-
3.135
VREFBUF_
OUT
Voltage reference
output
Normal mode(3)
VRS= 00
2.044
2.048
2.052
VRS= 01
2.496
2.5
2.504
VRS = 10
2.896
2.9
2.904
Degraded mode(2)
VRS= 00
VDDA -250 mV
-
VDDA
VRS = 01
VDDA -250 mV
-
VDDA
VRS = 10
VDDA -250 mV
-
VDDA
VREFOUT_
TEMP
(3)
Voltage reference
output spread over
the temperature
range
VDDA = 3V
-
-
See
Figure 31,
Figure 32,
Figure 33
mV
TRIM
Trim step
resolution
--
±0.05
±0.1
%
CL
Load capacitor
-
0.5
1
1.5
µF
esr
Equivalent Serial
Resistor of Cload
--
-
2
Ω
Iload
Static load current
-
-
-
6.5
mA
Iline_reg(4) Line regulation
-
-
1000
2000
ppm/V
Iload_reg
Load regulation
500 μA ≤
Iload ≤4 mA
Normal
mode
-50
500
ppm/m
A
TCoeff
Temperature
coefficient
-40 °C < TJ < +125 °C
-
-
Tcoeff_vr
efint +
50(5)
ppm/ °C
0 °C < TJ < +50 °C
-
-
PSRR
Power supply
rejection
DC
40
55
-
dB
100 kHz
25
40
-
tSTART
Start-up time
CL = 0.5 µF(6)
-300
350
µs
CL = 1.1 µF(6)
-500
650
CL = 1.5 µF(6)
-650
800



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