Datasheet

DocID15274 Rev 10 79/108
STM32F105xx, STM32F107xx Electrical characteristics
107
5.3.18 DAC electrical specifications
Table 56. DAC characteristics
Symbol Parameter Min Typ Max Unit Comments
V
DDA
Analog supply voltage 2.4 - 3.6 V -
V
REF+
Reference supply voltage 2.4 - 3.6 V V
REF+
must always be below V
DDA
V
SSA
Ground 0 - 0 V -
R
LOAD
(1)
Resistive load with buffer ON 5 - - kΩ -
R
O
(1)
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
(1)
Capacitive load - - 50 pF
Maximum capacitive load at
DAC_OUT pin (when the buffer is
ON).
DAC_OUT
min
(1)
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 (0x155) to (0xEAB) at
V
REF+
= 2.4 V
DAC_OUT
max
(1)
Higher DAC_OUT voltage
with buffer ON
- - V
DDA
– 0.2 V
DAC_OUT
min
(1)
Lower DAC_OUT voltage
with buffer OFF
- 0.5 - mV
It gives the maximum output
excursion of the DAC.
DAC_OUT
max
(1)
Higher DAC_OUT voltage
with buffer OFF
- - V
REF+
– 1LSB V
I
DDVREF+
DAC DC current
consumption in quiescent
mode (Standby mode)
- - 220 µA
With no load, worst code (0xF1C)
at V
REF+
= 3.6 V in terms of DC
consumption on the inputs
I
DDA
DAC DC current
consumption in quiescent
mode (Standby mode)
- - 380 µA
With no load, middle code (0x800)
on the inputs
- - 480 µA
With no load, worst code (0xF1C)
at V
REF+
= 3.6 V in terms of DC
consumption on the inputs
DNL
(2)
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
(2)
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.
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.