Datasheet

Electrical characteristics STM32L151x6/8/B, STM32L152x6/8/B
100/131 DocID17659 Rev 9
6.3.18 DAC electrical specifications
Data guaranteed by design, not tested in production, unless otherwise specified.
Table 57. 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
V
REF-
Lower reference voltage - V
SSA
V
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 µA
I
DDA
(1)
Current consumption on
V
DDA
supply
V
DDA
= 3.3 V
No load, middle code (0x800) - 210 320 µA
No load, worst code (0xF1C) - 320 520 µA
R
L
(2)
Resistive load
DAC output buffer ON
5- - kΩ
C
L
(2)
Capacitive load - - 50 pF
R
O
Output impedance DAC output buffer OFF 6 8 10 kΩ
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 kΩ
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 kΩ
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 kΩ
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