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VL53L1 Folha de dados(PDF) 6 Page - STMicroelectronics

Nome de Peças VL53L1
Descrição Electrónicos  A new generation, long distance ranging Time-of-Flight sensor based on ST?셲 FlightSensense™ technology
PDF  35 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VL53L1 Folha de dados(HTML) 6 Page - STMicroelectronics

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Product overview
VL53L1X
6/35
DocID031281 Rev 3
1.4
Application schematic
Figure 3 shows the application schematic of the VL53L1X.
Figure 3. VL53L1X schematic
Note:
Capacitors on external supply AVDD should be placed as close as possible to the
AVDDVCSEL and AVSSVCSEL module pins.
Note:
External pull up resistor values can be found in I2C-bus specification. Pull ups are typically
fitted only once per bus, near the host. For suggested values see Table 3.
Note:
XSHUT pin must always be driven to avoid leakage current. A pull up is needed if the host
state is not known.
XSHUT is needed to use HW standby mode (no I2C communication).
Note:
XSHUT and GPIO1 pull up recommended values are 10 kOhms
Note:
GPIO1 to be left unconnected if not used
Table 3 show recommended values for the pull up and series resistors for an AVDD of 1.8 V
to 2.8 V in I2C Fast mode (up to 400 kHz).
Table 3. Suggested pull up and series resistors for I2C Fast mode
I2C load capacitance (CL) (1)
1. For each bus line, CL is measured in the application PCB by the customer.
Pull up resistor (Ohms)
CL ≤ 90 pF
3.6 k
90 pF < CL ≤ 140 pF
2.4 k
140 pF < CL ≤ 270 pF
1.2 k
270 pF < CL ≤ 400 pF
0.8 k



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