Datasheet

Electrical parameters STM8L151x2, STM8L151x3
88/112 Doc ID 018780 Rev 4
7.3.12 12-bit ADC1 characteristics
In the following table, data is guaranteed by design, not tested in production.
Table 45. ADC1 characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Analog supply voltage 1.8 3.6 V
V
REF+
Reference supply
voltage
2.4 V ≤ V
DDA
≤ 3.6 V
2.4
V
DDA
V
1.8 V ≤ V
DDA
≤ 2.4 V V
DDA
V
V
REF-
Lower reference voltage
V
SSA
V
I
VDDA
Current on the VDDA
input pin
1000 1450 µA
I
VREF+
Current on the VREF+
input pin
400
700
(peak)
(1)
µA
450
(average)
(1)
µA
V
AIN
Conversion voltage
range
0
(2)
V
REF+
T
A
Temperature range -40 125 °C
R
AIN
External resistance on
V
AIN
on PF0 fast channel
50
(3)
kΩ
on all other channels
C
ADC1
Internal sample and
hold capacitor
on PF0 fast channel
16 pF
on all other channels
f
ADC1
ADC1 sampling clock
frequency
2.4 V≤ V
DDA
≤ 3.6 V
without zooming
0.320 16 MHz
1.8 V≤ V
DDA
≤ 2.4 V
with zooming
0.320 8 MHz
f
CONV
12-bit conversion rate
V
AIN
on PF0 fast
channel
1
(4)(5)
MHz
V
AIN
on all other
channels
760
(4)(5)
kHz
f
TRIG
External trigger
frequency
t
conv
1/f
ADC1
t
LAT
External trigger latency 3.5 1/f
SYSCLK