Datasheet

Electrical characteristics STM32L010F4/K4
72/91 DS12323 Rev 2
Table 52. ADC characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Analog supply voltage for
ADC ON
---3.6
V
-1.8
(1)
-3.6
I
DDA (ADC)
Current consumption of the
ADC on V
DDA
1.14 Msps - 200 -
µA
10 ksps - 40 -
Current consumption of the
ADC on V
DD
(2)
1.14 Msps - 70 -
10 ksps - 1 -
f
ADC
ADC clock frequency
Voltage scaling Range 1 0.14 - 16
MHzVoltage scaling Range 2 0.14 - 8
Voltage scaling Range 3 0.14 - 4
f
S
(3)
Sampling rate - 0.01 - 1.14 MHz
f
TRIG
(3)
External trigger frequency
f
ADC
= 16 MHz,
16-bit resolution
- - 941 KHz
---171/f
ADC
V
AIN
Conversion voltage range - 0 - V
DDA
V
R
AIN
(3)
External input impedance
See Equation 1 and
Table 53 for details
--50kΩ
R
ADC
(3)(4)
Sampling switch resistance - - - 1 kΩ
C
ADC
(3)
Internal sample and hold
capacitor
---8pF
t
CAL
(3)
Calibration time
f
ADC
= 16 MHz 5.2 µs
-831/f
ADC
W
LATENCY
ADC_DR register write
latency
ADC clock = HSI16
1.5 ADC
cycles + 2
f
PCLK
cycles
-
1.5 ADC
cycles + 3
f
PCLK
cycles
-
ADC clock = PCLK/2 - 4.5 -
f
PCLK
cycle
ADC clock = PCLK/4 - 8.5 -
f
PCLK
cycle
t
latr
(3)
Trigger conversion latency
f
ADC
= f
PCLK
/2 = 16 MHz 0.266 µs
f
ADC
= f
PCLK
/2 8.5 1/f
PCLK
f
ADC
= f
PCLK
/4 = 8 MHz 0.516 µs
f
ADC
= f
PCLK
/4 16.5 1/f
PCLK
f
ADC
= f
HSI16
= 16 MHz 0.252 - 0.260 µs
Jitter
ADC
ADC jitter on trigger
conversion
f
ADC
= f
HSI16
-1-1/f
HSI16
t
S
(3)
Sampling time
f
ADC
= 16 MHz 0.093 - 10.03 µs
- 1.5 - 239.5 1/f
ADC
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