STEVAL-MKI100V1 STMicroelectronics, STEVAL-MKI100V1 Datasheet - Page 10

• Manufacturer Part Number: STEVAL-MKI100V1
• Description: BOARD DEMO MEMS LPY4150AL
• Manufacturer: STMicroelectronics
• Series: MEMSr

Specifications of STEVAL-MKI100V1

• Sensor Type: Gyroscope, 2 Axis
• Sensing Range: ±1500°/sec
• Interface: Analog and Digital
• Sensitivity: 0.67mV/°/s
• Voltage - Supply: 5V, USB
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: LPY4150AL
• Sensing Axis: Double Axis
• Output Type: Digital
• Interface Type: USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: LPR5xxxAL, LPY5xxxAL, LY5xxxAL
• Other names: 497-10670

Application hints
5
10/14
Application hints
Figure 3.
Power supply decoupling capacitors (100 nF ceramic or polyester + 10 µF aluminum) should
be placed as near as possible to the device (common design practice).
The LPR4150AL allows band limiting of the output rate response through the use of an
external low-pass filter (recommended) in addition to the embedded low-pass filter
(f
4xOUTX and 4xOUTY are, respectively, OUTX and OUTY amplified output lines, internally
buffered to ensure low output impedance.
If external low-pass filtering is not applied, it is mandatory to short-circuit pin 1 to pin 5 and
pin 16 to pin 20, respectively, when amplified outputs are used.
When only a non-amplified output is used (OUTX/OUTZ), it is recommended to set pin 5
and 16 to a fixed reference voltage (Vref).
The LPR4150AL IC includes a PLL (phase-locked loop) circuit to synchronize driving and
sensing interfaces. Capacitors and resistors must be added at the FILTVDD and VCONT
pins (as shown in
t
= 140 Hz).
LPR4150AL electrical connections and external components values
Figure
3) to implement a low-pass filter.
Doc ID 16576 Rev 1
LPR4150AL