Datasheet

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STM32L15xCC STM32L15xRC STM32L15xUC STM32L15xVC Electrical characteristics
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6.3.18 DAC electrical specifications
Data guaranteed by design, not tested in production, unless otherwise specified.
Table 59. DAC characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
DDA
Analog supply voltage 1.8 - 3.6
V
V
REF+
Reference supply
voltage
V
REF+
must always be below
V
DDA
1.8 - 3.6
V
REF-
Lower reference voltage V
SSA
I
DDVREF+
(1)
Current consumption on
V
REF+
supply
V
REF+
= 3.3 V
No load, middle code (0x800) - 130 220
µA
No load, worst code (0x000) - 220 350
I
DDA
(1)
Current consumption on
V
DDA
supply
V
DDA
= 3.3 V
No load, middle code (0x800) - 210 320
No load, worst code (0xF1C) - 320 520
R
L
(2)
Resistive load
DAC output buffer ON
5- - k
C
L
(2)
Capacitive load - - 50 pF
R
O
Output impedance DAC output buffer OFF 6 8 10 k
V
DAC_OUT
Voltage on DAC_OUT
output
DAC output buffer ON 0.2 - V
DDA
– 0.2 V
DAC output buffer OFF 0.5 -
V
REF+
–
1LSB
mV
DNL
(1)
Differential non
linearity
(3)
C
L
 50 pF, R
L
 5 k
DAC output buffer ON
-1.5 3
LSB
No R
LOAD
, C
L
 50 pF
DAC output buffer OFF
-1.5 3
INL
(1)
Integral non linearity
(4)
C
L
 50 pF, R
L
 5 k
DAC output buffer ON
-2 4
No R
LOAD
, C
L
 50 pF
DAC output buffer OFF
-2 4
Offset
(1)
Offset error at code 
0x800
(5)
C
L
 50 pF, R
L
 5 k
DAC output buffer ON
-±10 ±25
No R
LOAD
, C
L
 50 pF
DAC output buffer OFF
-±5 ±8
Offset1
(1)
Offset error at code
0x001
(6)
No R
LOAD
, C
L
 50 pF
DAC output buffer OFF
-±1.5 ±5