STM32L100R8-A datasheet(89/103 Pages) STMICROELECTRONICS

Part #	STM32L100R8-A

Description	Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 128KB Flash, 16KB SRAM, 2KB EEPROM, LCD, USB, ADC, DAC

PDF	103 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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89 / 103 page

DocID025966 Rev 6

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STM32L100x6/8/B-A

Electrical characteristics

Figure 25. 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

Comparator

Table 59. Comparator 1 characteristics

Symbol

Parameter

Conditions

Min(1)

Typ

Max(1)

1. Guaranteed by characterization results.

Unit

VDDA

Analog supply voltage

1.8

3.6

R400K

R400K value

400

R10K

R10K value

VIN

Comparator 1 input

voltage range

-0.6

VDDA

tSTART

Comparator startup time

µs

Propagation delay(2)

2. The delay is characterized for 100 mV input step with 10 mV overdrive on the inverting input, the non-

inverting input set to the reference.

Voffset

Comparator offset

±3

±10

dVoffset/dt

Comparator offset

variation in worst voltage

stress conditions

VDDA = 3.6 V

VIN+ = 0 V

VIN- = VREFINT

TA = 25 ° C

1.5

mV/1000 h

ICOMP1

Current consumption(3)

3. Comparator consumption only. Internal reference voltage not included.

160

260

STM32L100R8-A Datasheet(PDF) 89 Page - STMicroelectronics

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