LY503ALH STMicroelectronics, LY503ALH Datasheet - Page 8

• Manufacturer Part Number: LY503ALH
• Description: Gyroscopes Sgl 8.3 mV/deg/s LGA-16
• Manufacturer: STMicroelectronics

Specifications of LY503ALH

• Sensing Axis: Single
• Supply Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Sensitivity: 8.3 mV/deg/s
• Output Type: Analog - Voltage
• Package / Case: LGA-16
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Application hints
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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 LY503ALH allows band limiting of the output rate response through the use of an
external low pass filter (suggested) and/or high pass filter (optional) in addition to the
embedded low pass filter (f
4xOUTZ is OUTZ amplified outputs line, internally buffered to ensure low output impedance.
If external high pass or low pass filtering is not applied it is mandatory to short-circuit pad 9
to pad 10 when amplified outputs are used.
When only non-amplified output is used (OUTZ), it is suggested to set pad 9 to fixed
reference voltage (Vref).
When high pass filter is applied to not amplified output (OUTx), it is recommended to buffer
the line before entering ADC for performance optimization.
The LY503ALH 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
Typical values:
R1 = 1MOhm
C1 = 4.7 µF
R2 = 33 kOhm
C2 = 2.2µF to 2.2µF
10kOhm
10nF
R1
LY503ALH electrical connections and external component values
C2
Figure
C1
470nF
3) to implement a low-pass filter.
t
= 140 Hz).
Doc ID 15799 Rev 2
GND
GND
100 nF
1
5
GND
10 µF
LY503ALH
(Top View)
16
6
Vdd
14
8
13
9
C1
R1
Vref
ST
PD
HP
R2
(TOP VIEW)
DIRECTION OF THE
DETECTABLE
ANGULAR RATE
C2
GND
filtered output Z
Not amplified
LY503ALH
+ Ω
z