STM32F100R8T7BTR(2010) データシートの表示（PDF） - STMicroelectronics

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STM32F100R8T7BTR
(Rev.:2010)

Low & medium-density value line, advanced ARM-based 32-bit MCU with 16 to 128 KB Flash, 12 timers, ADC, DAC & 8 comm interfaces

STMicroelectronics 

STM32F100x4, STM32F100x6, STM32F100x8, STM32F100xB

Electrical characteristics

Table 45. DAC characteristics (continued)

Symbol

Parameter

Min Typ Max(1) Unit

Comments

Offset(3)

Offset error

(difference between measured value

at Code (0x800) and the ideal value =

VREF+/2)

Gain

error(3)

Gain error

tSETTLING(

3)

Settling time (full scale: for a 10-bit

input code transition between the

lowest and the highest input codes

when DAC_OUT reaches final value

±1LSB

Update

rate(3)

Max frequency for a correct

DAC_OUT change when small

variation in the input code (from code i

to i+1LSB)

Wakeup time from off state (Setting

tWAKEUP(3) the ENx bit in the DAC Control

register)

PSRR+ (1)

Power supply rejection ratio (to VDDA)

(static DC measurement

±10

±3

±12

±0.5

mV

Given for the DAC in 12-bit

configuration

LSB

Given for the DAC in 10-bit at

VREF+ = 3.6 V

LSB

Given for the DAC in 12-bit at

VREF+ = 3.6 V

%

Given for the DAC in 12bit

configuration

3

4

µs CLOAD  50 pF, RLOAD  5 k

1

MS/s CLOAD  50 pF, RLOAD  5 k

6.5 10

–67 –40

CLOAD  50 pF, RLOAD  5 k

µs input code between lowest and

highest possible ones.

dB No RLOAD, CLOAD = 50 pF

1. Guaranteed by characterization, not tested in production.

2. Guaranteed by design, not tested in production.

3. Guaranteed by characterization, not tested in production.

Figure 35. 12-bit buffered /non-buffered DAC

Buffered/Non-buffered DAC

Buffer(1)

12-bit

digital to

analog

converter

DACx_OUT

R LOAD

C LOAD

ai17157

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.

5.3.18 Temperature sensor characteristics

Doc ID 16455 Rev 2

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