Datasheet

DS10198 Rev 8 191/270
STM32L476xx Electrical characteristics
238
T
W_to_W
Minimal time between two
consecutive writes into the
DAC_DORx register to
guarantee a correct
DAC1_OUTx for a small
variation of the input code
(1 LSB)
DAC_MCR:MODEx[2:0] =
000 or 001
DAC_MCR:MODEx[2:0] =
010 or 011
CL  50 pF, RL  5 k
CL  10 pF
1
1.4
--µs
t
SAMP
Sampling time in sample
and hold mode (code
transition between the
lowest input code and the
highest input code when
DAC1_OUTx reaches final
value ±1LSB)
DAC1_OUTx
pin connected
DAC output buffer
ON, C
SH
= 100 nF
-0.7 3.5
ms
DAC output buffer
OFF, C
SH
= 100 nF
-10.5 18
DAC1_OUTx
pin not
connected
(internal
connection
only)
DAC output buffer
OFF
-2 3.5µs
I
leak
Output leakage current
Sample and hold mode,
DAC1_OUTx pin connected
-- -
(3)
nA
CI
int
Internal sample and hold
capacitor
- 5.2 7 8.8 pF
t
TRIM
Middle code offset trim time DAC output buffer ON 50 - - µs
V
offset
Middle code offset for 1 trim
code step
V
REF+
= 3.6 V - 1500 -
µV
V
REF+
= 1.8 V - 750 -
I
DDA
(DAC)
DAC consumption from
V
DDA
DAC output
buffer ON
No load, middle
code (0x800)
- 315 500
µA
No load, worst code
(0xF1C)
- 450 670
DAC output
buffer OFF
No load, middle
code (0x800)
-- 0.2
Sample and hold mode, C
SH
=
100 nF
-
315 
Ton / (Ton
+Toff)
(4)
670 
To n /(To n
+Toff)
(4)
Table 82. DAC characteristics
(1)
(continued)
Symbol Parameter Conditions Min Typ Max Unit
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