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STM32H753AI Folha de dados(PDF) 286 Page - STMicroelectronics

Nome de Peças STM32H753AI
Descrição Electrónicos  32-bit Arm® Cortex®-M7 480MHz MCUs, 2MB Flash,1MB RAM, 46 com. and analog interfaces, crypto
PDF  361 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32H753AI Folha de dados(HTML) 286 Page - STMicroelectronics

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Electrical characteristics (rev V)
STM32H753xI
286/360
DS12117 Rev 8
Figure 95. 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.
ENOB
Effective number of
bits
DAC output buffer ON,
CL ≤ 50 pF, RL ≥ 5 ㏀ , 1 kHz
-
10.9
-
bits
DAC output buffer OFF,
CL ≤ 50 pF, no RL, 1 kHz
-
10.9
-
1. Guaranteed by characterization.
2. Difference between two consecutive codes minus 1 LSB.
3. Difference between the value measured at Code i and the value measured at Code i on a line drawn between Code 0 and
last Code 4095.
4. Difference between the value measured at Code (0x001) and the ideal value.
5. Difference between the ideal slope of the transfer function and the measured slope computed from code 0x000 and 0xFFF
when the buffer is OFF, and from code giving 0.2 V and (VREF+ - 0.2 V) when the buffer is ON.
6. Signal is −0.5dBFS with Fsampling=1 MHz.
Table 187. DAC accuracy(1) (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
R L
C L
Buffered/Non-buffered DAC
DAC_OUTx
Buffer(1)
12-bit
digital to
analog
converter
ai17157V3



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