参数资料
型号: STM32L152CBT6TR
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 32 MHz, RISC MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, 0.50 MM PITCH, ROHS COMPLIANT, LQFP-48
文件页数: 95/106页
文件大小: 1417K
代理商: STM32L152CBT6TR
STM32L151xx, STM32L152xx
Electrical characteristics
Doc ID 17659 Rev 1
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.
6.3.17
Temperature sensor characteristics
TUE
Total unadjusted error
CL ≤ 50 pF, RL ≥ 5 kΩ
DAC output buffer ON
TBD
LSB
CL ≤ 50 pF
DAC output buffer OFF
TBD
tSETTLING
Settling time (full scale: for a
12-bit code transition
between the lowest and the
highest input codes till
DAC_OUT reaches final
value ±1LSB
CL ≤ 50 pF, RL ≥ 5 kΩ
7TBD
s
Update rate
Max frequency for a correct
DAC_OUT change (95% of
final value) with 1 LSB
variation in the input code
CL ≤ 50 pF, RL ≥ 5 kΩ
1
Msps
tWAKEUP
Wakeup time from off state
(setting the ENx bit in the
DAC Control register)
CL ≤ 50 pF, RL ≥ 5 kΩ
9TBD
s
PSRR+
VDDA supply rejection ratio
(static DC measurement)
CL ≤ 50 pF, RL ≥ 5 kΩ
-60
-35
dB
1.
Connected between DAC_OUT and VSSA.
Table 51.
DAC characteristics (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
R LOAD
C LOAD
Buffered/Non-buffered DAC
DACx_OUT
Buffer(1)
12-bit
digital to
analog
converter
ai17157
Table 52.
TS characteristics
Symbol
Parameter
Min
Typ
Max
Unit
TL
(1)
VSENSE linearity with temperature
±1TBD
°C
Avg_Slope(1)
Average slope
TBD
1.62
TBD
mV/°C
Voltage at 90°C ±5°C(2)
TBD
0.597
TBD
V
IDDA(TEMP)
Current consumption
3.4
6
A
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