參數(shù)資料
型號: PPXY8300A6T1
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: Pressure Sensor
英文描述: DIFFERENTIAL, PEIZORESISTIVE PRESSURE SENSOR, RECTANGULAR, SURFACE MOUNT
封裝: SOIC-20
文件頁數(shù): 130/162頁
文件大?。?/td> 4316K
代理商: PPXY8300A6T1
MPXY8300 Series
Sensors
Freescale Semiconductor
7
Figure 2-4 MPXY8300 Series Example Application (Using RFX Charge Pump)
2.3
Signal Properties
The following sections give a description of the general function of each pin.
2.3.1
VDD and VSS Pins
The digital circuits operate from a single power supply connected to the device through the VDD and VSS pins. VDD is the positive
supply and VSS is the ground. The conductors to the power supply should be connected to the VDD and VSS pins and locally
decoupled as shown in Figure 2-5.
Care should be taken to reduce measurement signal noise by separating the VDD, VSS, AVDD, AVSS and RVSS pins using a “star”
connection such that each metal trace does not share any load currents with other external devices as shown in Figure 2-5.
MPXY8300
0.1 F
VDD
VSS
3.0 V
BATTERY
LF
COIL
XTAL
RF
RVSS
XI
XO
0.1 F
AVDD
AVSS
10 nF
8.2 pF
C1
BKGD
VRF
PTA0
PTA1
PTA2
PTA3
Optimized
for LF Coil
used
10 K
Ω
RESET
10 K
Ω
OPTIONAL IF
IN CIRCUIT BDM
DESIRED
VCAP
68
μF
PTA5
PTA6
GENERAL
PURPOSE I/O
MATCHING
NETWORK
ANTENNA
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