参数资料
型号: STM32L151R8T6D
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, PQFP64
封装: 10 X 10 MM, 0.50 MM PITCH, ROHS COMPLIANT, LQFP-64
文件页数: 89/106页
文件大小: 1417K
代理商: STM32L151R8T6D
STM32L151xx, STM32L152xx
Electrical characteristics
Doc ID 17659 Rev 1
6.3.15
12-bit ADC characteristics
Unless otherwise specified, the parameters given in Table 48 are derived from tests
performed under ambient temperature, fPCLK2 frequency and VDDA supply voltage
conditions summarized in Table 9.
Table 48.
ADC characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA
Power supply
1.8
3.6
V
VREF+
Positive reference voltage
2.4 V
≤VDDA ≤3.6 V
2.4
VDDA
1.8 V
≤VDDA ≤2.4 V
VDDA
VREF-
Negative reference voltage
VSSA
IVDDA
Current on the VDDA input pin
1000
A
IVREF
Current on the VREF input pin
400(1)
TBD
VAIN
Conversion voltage range(2)
0(3)
VREF+
V
fADC
ADC clock frequency
2.4 V
≤VDDA ≤3.6V
0.320
16
MHz
1.8 V
≤VDDA ≤2.4V
Voltage range 1 & 2
0.320
8
1.8 V
≤VDDA ≤2.4V
Voltage range 3
0.320
4
fS
(4)
Sampling rate
Direct channels
0.02
1
Msps
Multiplexed channels
0.02
TBD
tS
Sampling time
fADC = 16 MHz
0.107
17.1
s
4384
1/fADC
tCONV
Total conversion time
(including sampling time)
fADC = 16 MHz
1
24.75
s
4 to 384 (sampling
phase) +12 (successive
approximation)
1/fADC
RADC
Sampling switch resistance
Direct channels
TBD
k
Ω
Multiplexed channels
TBD
CADC
Internal sample and hold
capacitor
Direct channels
TBD
pF
Multiplexed channels
TBD
fTRIG
External trigger frequency
fADC = 16 MHz
TBD
kHz
TBD
1/fADC
RAIN
(5)
External input impedance
TBD
k
Ω
tlat
Injection trigger conversion
latency
fADC = 16 MHz
TBD
s
TBD
1/fADC
tlatr
Regular trigger conversion
latency
fADC = 16 MHz
TBD
s
TBD
1/fADC
tSTAB
Power-up time
3.5
s
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