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STM32F439AI Datasheet(PDF) 168 Page - STMicroelectronics

Part # STM32F439AI
Description  ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, crypto, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces, camera&LCD-TFT
PDF  240 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F439AI Datasheet(HTML) 168 Page - STMicroelectronics

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Electrical characteristics
STM32F437xx and STM32F439xx
168/240
DocID024244 Rev 10
Figure 54. 12-bit buffered /non-buffered DAC
1. The DAC integrates an output buffer that can be used to reduce the output impedance and to drive external loads directly
without the use of an external operational amplifier. The buffer can be bypassed by configuring the BOFFx bit in the
DAC_CR register.
tWAKEUP(
4)
Wakeup time from off
state (Setting the ENx
bit in the DAC Control
register)
--
6.5
10
µs
CLOAD ≤ 50 pF, RLOAD ≥ 5 kΩ
input code between lowest and
highest possible ones.
PSRR+
(2)
Power supply rejection
ratio (to VDDA) (static
DC measurement)
-
-
–67
–40
dB No RLOAD, CLOAD = 50 pF
1. VDDA minimum value of 1.7 V is obtained with the use of an external power supply supervisor (refer to Section 3.17.2:
Internal reset OFF).
2. Guaranteed by design.
3. The quiescent mode corresponds to a state where the DAC maintains a stable output level to ensure that no dynamic
consumption occurs.
4. Guaranteed by characterization.
Table 85. DAC characteristics (continued)
Symbol
Parameter
Conditions
Min
Typ Max Unit
Comments



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