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STM32L151x8 bảng dữ liệu(PDF) 101 Page - STMicroelectronics

tên linh kiện STM32L151x8
Giải thích chi tiết về linh kiện  Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 128KB Flash, 16KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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STM32L151x6/8/B STM32L152x6/8/B
Electrical characteristics
104
Figure 31. 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.
6.3.19
Temperature sensor characteristics
Table 58. Temperature sensor calibration values
Calibration value name
Description
Memory address
TS_CAL1
TS ADC raw data acquired at
temperature of 30 °C,
VDDA= 3 V
0x1FF8 007A-0x1FF8 007B
TS_CAL2
TS ADC raw data acquired at
temperature of 110 °C
VDDA= 3 V
0x1FF8 007E-0x1FF8 007F
Table 59. Temperature sensor characteristics
Symbol
Parameter
Min
Typ
Max
Unit
TL(1)
1. Guaranteed by characterization results.
VSENSE linearity with temperature
-
±1
±2°C
Avg_Slope(1)
Average slope
1.48
1.61
1.75
mV/°C
V110
Voltage at 110°C ±5°C(2)
2. Measured at VDD = 3 V ±10 mV. V110 ADC conversion result is stored in the TS_CAL2 byte.
612
626.8
641.5
mV
IDDA(TEMP)(3)
Current consumption
-
3.4
6
µA
tSTART(3)
3. Guaranteed by design.
Startup time
-
-
10
µs
TS_temp(4)(3)
4. Shortest sampling time can be determined in the application by multiple iterations.
ADC sampling time when reading the
temperature
10
-
-



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