STM32L152-SK/IAR STMicroelectronics, STM32L152-SK/IAR Datasheet - Page 48

• Manufacturer Part Number: STM32L152-SK/IAR
• Description: MCU, MPU & DSP Development Tools STM32L152VBT6 IAR 32KB Workbench
• Manufacturer: STMicroelectronics
• Series: IAR Kickstartr
• Type: MCUr

Specifications of STM32L152-SK/IAR

• Contents: Board, CD
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: STM32L

Electrical characteristics
6.3.3
Table 12.
1. The internal V
2. Guaranteed by design, not tested in production.
3. Shortest sampling time can be determined in the application by multiple iterations.
4. To guarantee less than 1% VREF_OUT deviation.
48/107
V
V
V
C
T
V
I
A
REFINT_DIV1
REFINT_DIV2
REFINT_DIV3
T
V
I
VREF_OUT
S_vrefint
BUF_ADC
VREF_OUT
VREF_MEAS
VREF_MEAS
ADC_BUF
T
Symbol
REFINT out
T
A
I
VREFINT
I
REFINT
Coeff
Coeff
LPBUF
(2)
(2)
(2)(3)
(2)
(2)
Embedded internal reference voltage
(2)
(2)
Embedded internal reference voltage
The parameters given in
specified.
(2)
(2)
(2)
REF
Internal reference voltage
Internal reference current
consumption
Internal reference startup time
V
V
Accuracy of factory-measured
V
Temperature coefficient
Long-term stability
ADC sampling time when
reading the internal reference
voltage
Startup time of reference voltage
buffer for ADC
Consumption of reference
voltage buffer for ADC
VREF_OUT output current
VREF_OUT output load
Consumption of reference
voltage buffer for VREF_OUT
and COMP
1/4 reference voltage
1/2 reference voltage
3/4 reference voltage
value is individually measured in production and stored in dedicated EEPROM bytes.
DDA
REFINT
REF
value
and V
factory measure
Parameter
(1)
REF+
voltage during
Table 12
(4)
Doc ID 17659 Rev 4
are based on characterization results, unless otherwise
– 40 °C < T
Including uncertainties
–40 °C < T
1000 hours, T= 25 °C
V
0 °C < T
due to ADC and
DDA
Conditions
/V
REF+
J
J
J
< +50 °C
< +105 °C
< +105 °C
values
STM32L151xx, STM32L152xx
1.202
2.99
Min
24
49
74
1.224
13.5
Typ
730
1.4
20
25
50
75
2
3
5
1.242
1200
TBD
10
Max
3.01
2.3
±5
50
20
10
25
50
26
51
76
3
1
(2)
V
ppm/°C
REFINT
Unit
ppm
mV
µA
ms
µA
µA
nA
pF
µs
µs
%
V
V