STM32L152-EVAL STMicroelectronics, STM32L152-EVAL Datasheet - Page 48
STM32L152-EVAL
Manufacturer Part Number
STM32L152-EVAL
Description
BOARD EVALUATION FOR STM32L
Manufacturer
STMicroelectronics
Type
MCUr
Specifications of STM32L152-EVAL
New! Us2012 Catalog Page
STM8L-Discovery_STM32L152-EVAL
Contents
Board
Processor To Be Evaluated
STM32L1xxx
Interface Type
UART
Operating Supply Voltage
2 V to 3.6 V
For Use With/related Products
STM32L
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-10842
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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
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