12-Bit Adc Characteristics; Table 53. Adc Clock Frequency; Table 54. Adc Characteristics - STMicroelectronics STM32L151CB Manual

Electrical characteristics
6.3.17

12-bit ADC characteristics

Unless otherwise specified, the parameters given in
Symbol Parameter
f
ADC
Symbol
V
DDA
V
REF+
V
REF-
I
VDDA
(2)
I
VREF
V
AIN
f
S
92/129

Table 53. ADC clock frequency

Voltage
Range 1 &
ADC clock
2
frequency

Table 54. ADC characteristics

Parameter
Power supply
Positive reference voltage
Negative reference voltage
Current on the V input
DDA
pin
Current on the V input
REF
pin
Conversion voltage range
12-bit sampling rate
10-bit sampling rate
8-bit sampling rate
6-bit sampling rate
DocID17659 Rev 10
STM32L151x6/8/B, STM32L152x6/8/B
Table 54
Conditions
V
V
2.4 V ≤ V ≤ 3.6 V
V
DDA
V
V
V
1.8 V ≤ V ≤ 2.4 V
DDA
V
Voltage Range 3
Conditions
-
2.4 V ≤ V ≤ 3.6 V
DDA
V must be below
REF+
or equal to V
DDA
-
-
Peak
Average
(3)
-
Direct channels
Multiplexed channels
Direct channels
Multiplexed channels
Direct channels
Multiplexed channels
Direct channels
Multiplexed channels
are guaranteed by design.
Min Max
V
REF+ = DDA
< V
REF+ DDA
> 2.4 V
REF+
< V
REF+ DDA
0.480
≤ 2.4 V
REF+
V
REF+ = DDA
< V
REF+ DDA
Min Typ Max
1.8 - 3.6
(1)
1.8 - V
DDA
- V
SSA
- 1000 1450
700
400
450
(4)
0 - V
REF+
0.03 -
0.03 - 0.76
0.03 - 1.07
0.03 - 0.8
0.03 - 1.23
0.03 - 0.89
0.03 - 1.45
0.03 -
Unit
16
8
4
MHz
8
4
4
Unit
V
V
- V
µA
µA
µA
V
1
Msps
Msps
Msps
Msps
1