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| 型号： | US1881LSO |
| 厂商： | Melexis Technologies NV |
| 文件页数： | 43/46页 |
| 文件大小： | 498K |
| 描述： | IC LATCH CMOS MP SOT-23 |
| 标准包装： | 1 |
| 传感范围： | 9.5mT 跳闸，-9.5mT 释放 |
| 类型： | 双极卡锁 |
| 电源电压： | 3.5 V ~ 24 V |
| 电流 - 电源： | 5mA |
| 电流 - 输出（最大）： | 50mA |
| 输出类型： | 数字式，开漏极 |
| 工作温度： | -40°C ~ 150°C |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23 |
| 包装： | 剪切带 (CT) |
| 其它名称： | US1881LSOCT |
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The Programmable Sensor Interface
A microcontroller sensor interface provides signal conditioning for a sensor element of any kind. Some types of
sensor elements that can be used are pressure sensors, strain gauges, load cells, thermistors, and potentiometers
(position sensing).
The MLX90308 sensor interface provides control over the offset, gain (or sensitivity), linearity and temperature
compensation of the sensors signal using a microcontroller.
In the past, such conditioning was done through discrete circuits. Such circuits required costly and unreliable
trimming methods, not to mention component count on the PC board. Because the MLX90308 is a microcon-
troller, calibration is done digitally through a standard PC. The MLX90308 contains an 8-bit RISC core micro-
controler, analog signal path, supply regulator, and EEPROM for storing compensation coefficients.
Figure 29 illustrates a fundamental application of the MLX90308 and a bridge type pressure sensor element. In
this application, the 90308 uses an external FET as a pass transistor to regulate the voltage to the sensor and the
analog portion of the IC. This is known as Absolute Voltage Mode, where voltage to the sensor and analog cir-
cuit is regulated, independent of the supply voltage. The 90308 can be operated in Ratiometric Voltage Mode,
where the output (VMO) is tied to an A/Dconverter sharing the same Supply and GND reference. A third wiring
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15
14
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12
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10
9
1
2
3
4
5
6
7
8
IO1
IO2
TSTB
FLT
OFC
VBN
VBP
TMP
COMS
GND
CMN
CMO
VMO
VDD1
FET
VDD
G
S
D
External FET
for Regulation
Pressure
Sensor
Oil
Pressure
(psi)
Communications
GND
Signal Out
V+
Figure 29 - Oil Pressure Gauge
Communications
Signal Out
GND
V+
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相关代理商/技术参数 |
参数描述 |
|---|---|
| US1881LUA | 制造商:MELEXIS 制造商全称:Melexis Microelectronic Systems 功能描述:Hall Latch - High Sensitivity |
| US1881LUA-AAA-000-BU | 功能描述:IC LATCH CMOS MP TO-92UA RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| US18-PA-5-N03-IH | 制造商:IDEC CORPORATION 功能描述:95B040020 Sensor Ultrasonic |
| US18-PA-5-N03-OH | 制造商:IDEC Corporation 功能描述:SENSOR, M18 STRGHT BARREL NPN/PNP OUTPUT 制造商:IDEC Corporation 功能描述:95B040000 Ultrasonic M18Sensor |
| US18-PA-5-N03-VH | 制造商:IDEC Corporation 功能描述:95B040040 Ultrasonic M18Sensor |
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