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參數(shù)資料
| 型號： | MPXY8021A |
| 廠商： | 飛思卡爾半導(dǎo)體(中國)有限公司 |
| 英文描述： | Tire Pressure Monitoring Sensor, Temperature Compensated and Calibrated, Fully Integrated, Digital Output(輪胎壓力監(jiān)控傳感器，具有溫度補償與校準(zhǔn)、高度集成、數(shù)字輸出功能) |
| 中文描述： | 胎壓監(jiān)測傳感器，溫度補償和校準(zhǔn)，全集成，數(shù)字輸出（輪胎壓力監(jiān)控傳感器，具有溫度補償與校準(zhǔn)，高度集成，數(shù)字輸出功能） |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 261K |
| 代理商： | MPXY8021A |
Motorola Sensor Device Data
MPXY8021A
3
Operating Modes
The device has several operating modes dependent on the
applied voltages to the S1 and S0 pins as shown in Table 1. In
all the modes listed the channel multiplexers, D/A Register,
LFO, and the output pulse dividers will always be powered up
as long as there is a voltage source connected to the V
DD
pin.
When only the S0 pin is at a logic one the pressure
measuring circuit in the device is powered up and the pressure
output signal is connected to the sample capacitor through a
multiplexer. When the S0 pin returns to the low state the
multiplexer will first turn off to store the signal on the sample
capacitor before powering down the measuring circuitry.
When only the S1 pin is at a logic one the temperature
measuring circuit in the device is powered up and the
temperature output signal is connected to the sample capacitor
through a multiplexer. When the S1 pin returns to the low state
the multiplexer will first turn off to store the signal on the sample
capacitor before powering down the measuring circuitry.
NOTE: All of the EEPROM trim bits will be powered up
regardless of whether the pressure or temperature measuring
circuitry is activated.
NOTE: If the voltage on the S1 pin exceeds 2.5 times the
voltage on the V
DD
pin the device will be placed into its Trim/
Test Mode.
NOTE: If the V
DD
supply source is switched off in order to
reduce current consumption, it is important that all input pins be
driven LOW to avoid powering up the device.
If any input pin (S1, S0, DATA, or CLK) is driven HIGH while
the V
DD
supply is switched off, the device may be powered up
through an ESD protection diode. In such a case, the effective
V
DD
voltage will be about 0.3 V less than the voltage applied to
the input pin, and the full device I
DD
current will be drawn from
the device driving input.
Table 1. Operating Modes
Pin Functions
The following paragraphs give a description of the general function of each pin.
V
DD
and V
SS
Pins
Power is supplied to the control IC through V
DD
and V
SS
.
V
DD
is the positive supply and V
SS
is the digital and analog
ground. The control IC operates from a single power supply.
Therefore, the conductors to the power supply should be
connected to the V
DD
and V
SS
pins and locally decoupled as
shown in Figure 2.
Figure 2. Recommended Power Supply Connections
S1
S0
Operating Mode
Circuitry Powered
Serial Data
Counter
Pressure
Measure
System
Temp
Measure
System
A/D Output
Comp.
LFO
Oscill.
0
0
Standby/Reset
OFF
OFF
OFF
ON
ACTIVE
0
1
Measure Pressure
ON
OFF
OFF
ON
RESET
1
0
Measure Temperature
OFF
ON
OFF
ON
RESET
1
1
Output Read
OFF
OFF
ON
ON
ACTIVE
To Other V
DD
Loads
MPXY8021A
V
DD
V
SS
0.1
μ
F
V
DD
V
SS
To Other V
SS
Returns
To Power Supply
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MPXY8040A | Tire Pressure Monitoring Sensor, Temperature Compensated and Calibrated, Fully Integrated, Digital Output(輪胎壓力監(jiān)控傳感器，具有溫度補償與校準(zhǔn)、高度集成、數(shù)字輸出功能) |
| MPY534J | Precision ANALOG MULTIPLIER |
| MPY534K | Precision ANALOG MULTIPLIER |
| MPY534L | Precision ANALOG MULTIPLIER |
| MPY534S | Precision ANALOG MULTIPLIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPXY8021A6T1 | 功能描述:板上安裝壓力/力傳感器 SENSORS TPMP RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類型:Gage 準(zhǔn)確性:+ / - 0.25 % 輸出類型:Digital 安裝風(fēng)格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類型:Dual Radial Barbed, Same sides |
| MPXY8021A6U | 功能描述:板上安裝壓力/力傳感器 SENSORS TPMP RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類型:Gage 準(zhǔn)確性:+ / - 0.25 % 輸出類型:Digital 安裝風(fēng)格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類型:Dual Radial Barbed, Same sides |
| MPXY8040A | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Tire Pressure Monitoring Sensor Temperature Compensated and Calibrated, Fully Integrated Digital Output |
| MPXY8040A6T1 | 功能描述:板上安裝壓力/力傳感器 TPMP 8-LD GULL WING RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類型:Gage 準(zhǔn)確性:+ / - 0.25 % 輸出類型:Digital 安裝風(fēng)格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類型:Dual Radial Barbed, Same sides |
| MPXY8040A6U | 功能描述:板上安裝壓力/力傳感器 TPMP 8-LD GULL WING RoHS:否 制造商:Honeywell 工作壓力:0 bar to 4 bar 壓力類型:Gage 準(zhǔn)確性:+ / - 0.25 % 輸出類型:Digital 安裝風(fēng)格:Through Hole 工作電源電壓:5 V 封裝 / 箱體:SIP 端口類型:Dual Radial Barbed, Same sides |
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