Datasheet

Electrical characteristics STM32L073xx
104/137 DocID027096 Rev 2
dOffset/dT
(2)
Offset error temperature
coefficient (code 0x800)
V
DDA
= 3.3V
V
REF+
= 3.0 V
T
A
= 0 to 50 °C
DAC output buffer off
-20 -10 0
µV/°C
V
DDA
= 3.3V
V
REF+
= 3.0 V
T
A
= 0 to 50 °C
DAC output buffer on
020 50
Gain
(2)
Gain error
(7)
C
L
≤ 50 pF, R
L
≥ 5 kΩ
DAC output buffer on
- +0.1 / -0.2% +0.2 / -0.5%
%
No R
LOAD
, C
L
≤ 50 pF
DAC output buffer off
- +0 / -0.2% +0 / -0.4%
dGain/dT
(2)
Gain error temperature
coefficient
V
DDA
= 3.3V
V
REF+
= 3.0 V
T
A
= 0 to 50 °C
DAC output buffer off
-10 -2 0
µV/°C
V
DDA
= 3.3V
V
REF+
= 3.0 V
T
A
= 0 to 50 °C
DAC output buffer on
-40 -8 0
TUE
(2)
Total unadjusted error
C
L
≤ 50 pF, R
L
≥ 5 kΩ
DAC output buffer on
-12 30
LSB
No R
LOAD
, C
L
≤ 50 pF
DAC output buffer off
-8 12
t
SETTLING
Settling time (full scale:
for a 12-bit code
transition between the
lowest and the highest
input codes till
DAC_OUT reaches final
value ±1LSB
C
L
≤ 50 pF, R
L
≥ 5 kΩ - 7 12 µs
Update rate
Max frequency for a
correct DAC_OUT
change (95% of final
value) with 1 LSB
variation in the input
code
C
L
≤ 50 pF, R
L
≥ 5 kΩ - - 1 Msps
t
WAKEUP
Wakeup time from off
state (setting the ENx bit
in the DAC Control
register)
(8)
C
L
≤ 50 pF, R
L
≥ 5 kΩ - 9 15 µs
PSRR+
V
DDA
supply rejection
ratio (static DC
measurement)
C
L
≤ 50 pF, R
L
≥ 5 kΩ - -60 -35 dB
1. Guaranteed by characterization results.
Table 67. DAC characteristics (continued)
Symbol Parameter Conditions Min Typ Max Unit
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