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参数资料
型号： STM32F105VCH7XXX
厂商： STMICROELECTRONICS
元件分类： 微控制器/微处理器
英文描述： 32-BIT, FLASH, 72 MHz, RISC MICROCONTROLLER, BGA100
封装： ROHS COMPLIANT, LFBGA-100
文件页数： 72/90页
文件大小： 998K
代理商： STM32F105VCH7XXX
Electrical characteristics
STM32F105xx, STM32F107xx
74/90
5.3.18
Temperature sensor characteristics
tSETTLING
Settling time (full scale: for an 10-bit
input code transition between the
lowest and the highest input codes
when DAC_OUT reaches final value
±1LSB
34
s
CLOAD ≤ 50 pF,
RLOAD ≥ 5 kΩ
Update
rate
Max frequency for a correct
DAC_OUT change when small
variation in the input code (from code i
to i+1LSB)
1MS/s
CLOAD ≤ 50 pF,
RLOAD ≥ 5 kΩ
tWAKEUP
Wakeup time from off state (PDV18
from 1 to 0)
6.5
10
s
CLOAD ≤ 50 pF,
RLOAD ≥ 5 kΩ
input code between lowest and
highest possible ones.
PSRR+
Power supply rejection ratio (to
VDD33A) (static DC measurement
–67
–40
dB
No RLOAD, CLOAD = 50 pF
1.
Guaranteed by characterization, not tested in production.
Table 54.
DAC characteristics (continued)
Symbol
Parameter
Min
Typ
Max(1)
Unit
Comments
Table 55.
TS characteristics
Symbol
Parameter
Min
Typ
Max
Unit
TL
(1)
VSENSE linearity with temperature
±1
±2
°C
Avg_Slope(1)
Average slope
4.0
4.3
4.6
mV/°C
V25
(1)
Voltage at 25 °C
1.34
1.43
1.52
V
tSTART
(2)
Startup time
4
10
s
TS_temp
(3)(2)
ADC sampling time when reading the temperature
17.1
s
1.
Based on characterization, not tested in production.
2.
Guaranteed by design, not tested in production.
3.
Shortest sampling time can be determined in the application by multiple iterations.
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