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STM32L452VCU6P Datasheet(PDF) 163 Page - STMicroelectronics

No. de pieza STM32L452VCU6P
Descripción Electrónicos  Ultra-low-power ARM® Cortex®-M4 32-bit MCUFPU, 100DMIPS, up to 512KB Flash, 160KB SRAM, analog, audio, ext. SMPS
PDF  210 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L452VCU6P Datasheet(HTML) 163 Page - STMicroelectronics

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STM32L452xx
Electrical characteristics
186
Figure 30. 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.
IDDV(DAC)
DAC consumption from
VREF+
DAC output
buffer ON
No load, middle
code (0x800)
-
185
240
µA
No load, worst code
(0xF1C)
-
340
400
DAC output
buffer OFF
No load, middle
code (0x800)
-
155
205
Sample and hold mode, buffer ON,
CSH = 100 nF, worst case
-
185 ₓ
Ton/(Ton
+Toff)
(4)
400 ₓ
Ton/(Ton
+Toff)
(4)
Sample and hold mode, buffer OFF,
CSH = 100 nF, worst case
-
155 ₓ
Ton/(Ton
+Toff)
(4)
205 ₓ
Ton/(Ton
+Toff)
(4)
1. Guaranteed by design.
2. In buffered mode, the output can overshoot above the final value for low input code (starting from min value).
3. Refer to Table 71: I/O static characteristics.
4. Ton is the Refresh phase duration. Toff is the Hold phase duration. Refer to RM0394 reference manual for more details.
Table 82. DAC characteristics(1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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