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: 92/106页
文件大小: 1417K
代理商: STM32L151R8T6D
Electrical characteristics
STM32L151xx, STM32L152xx
Doc ID 17659 Rev 1
Figure 26.
Typical connection diagram using the ADC
1.
Refer to Table 48 for the values of RAIN, RADC and CADC.
2.
Cparasitic represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the
pad capacitance (roughly 7 pF). A high Cparasitic value will downgrade conversion accuracy. To remedy
this, fADC should be reduced.
General PCB design guidelines
Power supply decoupling should be performed as shown in Figure 27 or Figure 28,
depending on whether VREF+ is connected to VDDA or not. The 10 nF capacitors should be
ceramic (good quality). They should be placed as close as possible to the chip.
Figure 27.
Power supply and reference decoupling (VREF+ not connected to VDDA)
1.
VREF+ and VREF– inputs are available only on 100-pin packages.
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