STM32L151CBT7ADTR datasheet(102/130 Pages) STMICROELECTRONICS

Part #	STM32L151CBT7ADTR

Description	Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3,128KB Flash, 32KB SRAM, 4KB EEPROM, LCD, USB, ADC, DAC

PDF	130 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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102 / 130 page

Electrical characteristics

STM32L151x6/8/B-A STM32L152x6/8/B-A

102/130

DocID024330 Rev 5

Figure 29. 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 59. Temperature sensor calibration values

Calibration value name

Description

Memory address

TS_CAL1

TS ADC raw data acquired at

temperature of 30 °C±5,

VDDA= 3 V ±10mV

0x1FF8 007A-0x1FF8 007B

TS_CAL2

TS ADC raw data acquired at

temperature of 110 ±5°C

VDDA= 3 V ±10mV

0x1FF8 007E-0x1FF8 007F

Table 60. 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 byte.

612

626.8

641.5

IDDA(TEMP)(3)

Current consumption

3.4

µA

tSTART(3)

3. Guaranteed by design.

Startup time

µs

TS_temp(3)

ADC sampling time when reading the

temperature

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