Datasheet

Electrical characteristics STM32H743xI
164/226 DocID030538 Rev 3
I
DDA(DAC)
DAC quiescent
consumption from V
DDA
DAC output
buffer ON
No load, middle
code (0x800)
- 360 -
µA
No load, worst
code (0xF1C)
- 490 -
DAC output
buffer OFF
No load,
middle/worst
code (0x800)
-20-
Sample and Hold mode,
C
SH
=100 nF
-
360*T
ON
/
(T
ON
+T
OFF
)
-
I
DDV
(DAC)
DAC consumption from
V
REF+
DAC output
buffer ON
No load, middle
code (0x800)
- 170 -
No load, worst
code (0xF1C)
- 170 -
DAC output
buffer OFF
No load,
middle/worst
code (0x800)
- 160 -
Sample and Hold mode, Buffer
ON, C
SH
=100 nF (worst code)
-
170*T
ON
/
(T
ON
+T
OFF
)
-
Sample and Hold mode, Buffer
OFF, C
SH
=100 nF (worst code)
-
160*T
ON
/
(T
ON
+T
OFF
)
-
1. Guaranteed by design.
2. In buffered mode, the output can overshoot above the final value for low input code (starting from the minimum value).
Table 86. DAC characteristics (continued)
Symbol Parameter Conditions Min Typ Max Unit
Table 87. DAC accuracy
(1)
Symbol
Parameter Conditions Min Typ Max Unit
DNL
Differential non
linearity
(2)
DAC output buffer ON - ±2 -
LSB
DAC output buffer OFF - ±2 -
INL Integral non linearity
(3)
DAC output buffer ON, C
L
≤ 50 pF,
R
L
≥ 5 ㏀
-±4-
LSB
DAC output buffer OFF,
C
L
≤ 50 pF, no R
L
-±4-
Offset
Offset error at code
0x800
(3)
DAC output
buffer ON,
C
L
≤ 50 pF,
R
L
≥ 5 ㏀
V
REF+
= 3.6 V - - ±12
LSBV
REF+
= 1.8 V - - ±25
DAC output buffer OFF,
C
L
≤ 50 pF, no R
L
--±8
Offset1
Offset error at code
0x001
(4)
DAC output buffer OFF,
C
L
≤ 50 pF, no R
L
--±5LSB
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