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STM32L475RG 데이터시트(PDF) 149 Page - STMicroelectronics

부품명 STM32L475RG
상세설명  Ultra-low-power ARM Cortex-M4 32-bit MCUFPU, 100DMIPS, up to 1MB Flash, 128 KB SRAM, USB OTG FS, analog, audio
PDF  193 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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STM32L475RG 데이터시트(HTML) 149 Page - STMicroelectronics

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STM32L475xx
Electrical characteristics
181
Figure 24. 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.
.
3. Refer to Table 59: I/O static characteristics.
4. Ton is the Refresh phase duration. Toff is the Hold phase duration. Refer to RM0395 reference manual for more details.
Table 71. DAC accuracy(1)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
DNL
Differential non
linearity (2)
DAC output buffer ON
-
-
±2
LSB
DAC output buffer OFF
-
-
±2
-
monotonicity
10 bits
guaranteed
INL
Integral non
linearity(3)
DAC output buffer ON
CL ≤ 50 pF, RL ≥ 5 kΩ
--
±4
DAC output buffer OFF
CL ≤ 50 pF, no RL
--
±4
Offset
Offset error at
code 0x800(3)
DAC output buffer ON
CL ≤ 50 pF, RL ≥ 5 kΩ
VREF+ = 3.6 V
-
-
±12
VREF+ = 1.8 V
-
-
±25
DAC output buffer OFF
CL ≤ 50 pF, no RL
--
±8
Offset1
Offset error at
code 0x001(4)
DAC output buffer OFF
CL ≤ 50 pF, no RL
--
±5
OffsetCal
Offset Error at
code 0x800
after calibration
DAC output buffer ON
CL ≤ 50 pF, RL ≥ 5 kΩ
VREF+ = 3.6 V
-
-
±5
VREF+ = 1.8 V
-
-
±7



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