STM32F091XB Datasheet, PDF (90/127 Pages) STMicroelectronics – ARM-based 32-bit MCU, up to 256 KB Flash, CAN, 12 timers, ADC, DAC & comm. interfaces, 2.0 - 3.6V

Electrical characteristics
STM32F091xB STM32F091xC
Table 60. DAC characteristics (continued)
Symbol
Parameter
Min Typ
Max
Unit
Comments
Settling time (full scale: for a
10-bit input code transition
t_SETTLING(3)
between the lowest and the
highest input codes when
-
3
DAC_OUT reaches final
value ±1LSB
Max frequency for a correct
Update
rate⁽³⁾
DAC_OUT change when
small variation in the input
-
-
code (from code i to i+1LSB)
Wakeup time from off state
t_WAKEUP(3) (Setting the ENx bit in the
DAC Control register)
-
6.5
Power supply rejection ratio
PSRR+ ⁽¹⁾ (to V_DDA) (static DC
- –67
measurement
4
µs C_LOAD ≤ 50 pF, R_LOAD ≥ 5 kΩ
1
MS/s C_LOAD ≤ 50 pF, R_LOAD ≥ 5 kΩ
C_LOAD ≤ 50 pF, R_LOAD ≥ 5 kΩ
10
µs input code between lowest and
highest possible ones.
–40
dB No R_LOAD, C_LOAD = 50 pF
1. Guaranteed by design, not tested in production.
2. The DAC is in “quiescent mode” when it keeps the value steady on the output so no dynamic consumption is involved.
3. Data based on characterization results, not tested in production.
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