Datasheet

STM32L100C6, STM32L100R8/RB Electrical characteristics
DocID024295 Rev 1 83/102
6.3.16 12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 52 are guaranteed by design.
Table 51. ADC clock frequency
Symbol Parameter Conditions Min Max Unit
f
ADC
ADC clock
frequency
Voltage
range 1 & 2
2.4 V ≤ V
DDA
≤ 3.6 V
0.480
16
MHz1.8 V ≤ V
DDA
≤ 2.4 V 8
Voltage range 3 4
Table 52. ADC characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Power supply 1.8 3.6 V
I
VDDA
(1)
Current on the V
DDA
input
pin
Peak
1400
2150
µA
Average 1900
V
AIN
Conversion voltage range 0
(2)
V
DDA
V
f
S
12-bit sampling rate
Direct channels 0.03 1
Msps
Multiplexed channels 0.03 0.76
10-bit sampling rate
Direct channels 0.03 1.07
Msps
Multiplexed channels 0.03 0.8
8-bit sampling rate
Direct channels 0.03 1.23
Msps
Multiplexed channels 0.03 0.89
6-bit sampling rate
Direct channels 0.03 1.45
Msps
Multiplexed channels 0.03 1
t
S
Sampling time
Direct channels
2.4 V ≤ V
DDA
≤ 3.6 V
0.25
µs
Multiplexed channels
2.4 V ≤ V
DDA
≤ 3.6 V
0.56
Direct channels
1.8 V ≤ V
DDA
≤ 2.4 V
0.56
Multiplexed channels
1.8 V ≤ V
DDA
≤ 2.4 V
1
4 384 1/f
ADC
t
CONV
Total conversion time
(including sampling time)
f
ADC
= 16 MHz 1 24.75 µs
4 to 384 (sampling
phase) +12 (successive
approximation)
1/f
ADC
C
ADC
Internal sample and hold
capacitor
Direct channels
16 pF
Multiplexed channels