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STM32L152C6 데이터시트(PDF) 91 Page - STMicroelectronics

부품명 STM32L152C6
상세설명  Ultra-low-power 32-bit MCU ARM-based Cortex-M3
PDF  121 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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STM32L152C6 데이터시트(HTML) 91 Page - STMicroelectronics

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STM32L151x6/8/B, STM32L152x6/8/B
Electrical characteristics
Doc ID 17659 Rev 8
91/121
tS
Sampling time
Direct channels
2.4 V
≤ VDDA ≤ 3.6 V
0.25
µs
Multiplexed channels
2.4 V
≤ VDDA ≤ 3.6 V
0.56
Direct channels
1.8 V
≤ VDDA ≤ 2.4 V
0.56
Multiplexed channels
1.8 V
≤ VDDA ≤ 2.4 V
1
4
384
1/fADC
tCONV
Total conversion time
(including sampling time)
fADC = 16 MHz
1
24.75
µs
4 to 384 (sampling
phase) +12 (successive
approximation)
1/fADC
CADC
Internal sample and hold
capacitor
Direct channels
16
pF
Multiplexed channels
fTRIG
External trigger frequency
Regular sequencer
12-bit conversions
Tconv+1 1/fADC
6/8/10-bit conversions
Tconv
1/fADC
fTRIG
External trigger frequency
Injected sequencer
12-bit conversions
Tconv+2 1/fADC
6/8/10-bit conversions
Tconv+1 1/fADC
RAIN
External input impedance
50
k
Ω
tlat
Injection trigger conversion
latency
fADC = 16 MHz
219
281
ns
3.5
4.5
1/fADC
tlatr
Regular trigger conversion
latency
fADC = 16 MHz
156
219
ns
2.5
3.5
1/fADC
tSTAB
Power-up time
3.5
µs
1.
The Vref+ input can be grounded iif neither the ADC nor the DAC are used (this allows to shut down an
external voltage reference).
2.
The current consumption through VREF is composed of two parameters:
- one constant (max 300 µA)
- one variable (max 400 µA), only during sampling time + 2 first conversion pulses.
So, peak consumption is 300+400 = 700 µA and average consumption is 300 + [(4 sampling + 2) /16] x
400 = 450 µA at 1Msps
3.
VREF+ can be internally connected to VDDA and VREF- can be internally connected to VSSA, depending on
the package. Refer to Section 4: Pin descriptions for further details.
4.
VSSA or VREF- must be tied to ground.
Table 54.
ADC characteristics (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit



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