Datasheet

Electrical characteristics STM32F405xx, STM32F407xx
140/202 DocID022152 Rev 8
R
LOAD
(2)
Resistive load with buffer
ON
5- - kΩ
R
O
(2)
Impedance output with
buffer OFF
-- 15 kΩ
When the buffer is OFF, the
Minimum resistive load between
DAC_OUT and V
SS
to have a 1%
accuracy is 1.5 MΩ
C
LOAD
(2)
Capacitive load - - 50 pF
Maximum capacitive load at
DAC_OUT pin (when the buffer is
ON).
DAC_OUT
min
(2)
Lower DAC_OUT voltage
with buffer ON
0.2 - - V
It gives the maximum output
excursion of the DAC.
It corresponds to 12-bit input code
(0x0E0) to (0xF1C) at V
REF+
=
3.6 V and (0x1C7) to (0xE38) at
V
REF+
= 1.8 V
DAC_OUT
max
(2)
Higher DAC_OUT voltage
with buffer ON
--V
DDA
– 0.2 V
DAC_OUT
min
(2)
Lower DAC_OUT voltage
with buffer OFF
-0.5 - mV
It 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 VDDA 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.
Table 74. DAC characteristics (continued)
Symbol Parameter Min Typ Max Unit Comments
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