Datasheet

Electrical characteristics STM32F20xxx
130/184 DS6329 Rev 16
DAC_OUT
min
(2)
Lower DAC_OUT voltage
with buffer OFF
-0.5 - mV
Gives the maximum output excursion of
the DAC.
DAC_OUT
max
(2)
Higher DAC_OUT voltage
with buffer OFF
--V
REF+
– 1LSB V
I
VREF+
(4)
DAC DC V
REF
current
consumption in quiescent
mode (Standby mode)
- 170 240
µA
With no load, worst code (0x800) at
V
REF+
= 3.6 V in terms of DC
consumption on the inputs
-50 75
With no load, worst code (0xF1C) at
V
REF+
= 3.6 V in terms of DC
consumption on the inputs
I
DDA
(4)
DAC DC V
DDA
current
consumption in quiescent
mode
(3)
- 280 380 µA
With no load, middle code (0x800) on
the inputs
- 475 625 µA
With no load, worst code (0xF1C) at
V
REF+
= 3.6 V in terms of DC
consumption on the inputs
DNL
(4)
Differential non linearity
Difference between two
consecutive code-1LSB)
-- ±0.5 LSB
Given for the DAC in 10-bit
configuration.
-- ±2 LSB
Given for the DAC in 12-bit
configuration.
INL
(4)
Integral non linearity
(difference between
measured value at Code i
and the value at Code i on
a line drawn between
Code 0 and last Code
1023)
-- ±1 LSB
Given for the DAC in 10-bit
configuration.
-- ±4 LSB
Given for the DAC in 12-bit
configuration.
Offset
(4)
Offset error
(difference between
measured value at Code
(0x800) and the ideal
value = V
REF+
/2)
-- ±10 mV -
-- ±3 LSB
Given for the DAC in 10-bit at V
REF+
=
3.6 V
-- ±12 LSB
Given for the DAC in 12-bit at V
REF+
=
3.6 V
Gain
error
(4)
Gain error - - ±0.5 %
Given for the DAC in 12-bit
configuration
t
SETTLING
(4)
Settling time (full scale: for
a 10-bit input code
transition between the
lowest and the highest
input codes when
DAC_OUT reaches final
value ±4LSB
-3 6 µs
C
LOAD
≤ 50 pF,
R
LOAD
≥ 5 kΩ
THD
(4)
Total Harmonic Distortion
Buffer ON
-- - dB
C
LOAD
≤ 50 pF,
R
LOAD
≥ 5 kΩ
Table 68. DAC characteristics (continued)
Symbol Parameter Min Typ Max Unit Comments
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