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SI1141-A11-GM

更新时间： 2024-11-25 20:04:27
品牌 Logo 应用领域
芯科 - SILICON 输出元件光电
页数 文件大小 规格书
75页 1201K
描述
Logic Output Photo IC

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SI1141-A11-GM 技术参数

是否Rohs认证： 符合生命周期：Not Recommended
Reach Compliance Code：compliant风险等级：2.13
安装特点：SURFACE MOUNT最高工作温度：85 °C
最低工作温度：-40 °C光电设备类型：LOGIC OUTPUT PHOTO IC
子类别：Photo ICs最大压摆率：0.0055 mA
标称供电电压：3.3 V表面贴装：YES
Base Number Matches：1

SI1141-A11-GM 数据手册

 浏览型号SI1141-A11-GM的Datasheet PDF文件第2页浏览型号SI1141-A11-GM的Datasheet PDF文件第3页浏览型号SI1141-A11-GM的Datasheet PDF文件第4页浏览型号SI1141-A11-GM的Datasheet PDF文件第5页浏览型号SI1141-A11-GM的Datasheet PDF文件第6页浏览型号SI1141-A11-GM的Datasheet PDF文件第7页 
Si1141/42/43  
2
PROXIMITY/AMBIENT LIGHT SENSOR IC WITH I C INTERFACE  
Features  
Pin Assignments  
Integrated infrared proximity detector  
Proximity detection adjustable from  
under 1 cm up to 200 cm  
Accurate lux measurements with IR  
correction algorithm  
DNC  
10  
Industry's lowest power consumption  
1.71 to 3.6 V supply voltage  
9 µA average current (LED pulsed  
25.6 µs every 800 ms at 180 mA  
plus 3 µA Si114x supply)  
< 500 nA standby current  
25.6 µs LED “on” time keeps total  
power consumption duty cycle low  
without compromising performance  
or noise immunity  
Three independent LED drivers  
15 current settings from 5.6 mA to  
360 mA for each LED driver  
25.6 µs LED driver pulse width  
50 cm proximity range with single  
pulse (<3 klx)  
15 cm proximity range with single  
pulse (>3 klx)  
Operates at up to 128 klx (direct  
sunlight)  
1
2
3
4
9
8
7
6
SDA  
SCL  
LED1  
GND  
QFN-10  
LED3/CVDD  
LED2/CVDD  
VDD  
INT  
5
DNC  
Internal and external wake support  
Built-in voltage supply monitor and  
power-on reset controller  
High reflectance sensitivity  
2
< 1 µW/cm  
High EMI immunity without shielded  
packaging  
Serial communications  
Up to 3.4 Mbps data rate  
Slave mode hardware address  
decoding (0x5A)  
Small-outline 10-lead 2x2 mm QFN  
Temperature Range  
Integrated ambient light sensor  
100 mlx resolution possible,  
allowing operation under dark glass  
1 to 128 klx dynamic range possible  
across two ADC range settings  
–40 to +85 °C  
Applications  
Handsets  
Valve controls  
Smoke detectors  
Touchless switches  
Touchless sliders  
Occupancy sensors  
Consumer electronics  
Industrial automation  
Display backlighting control  
Photo-interrupters  
Heart rate monitoring  
Pulse oximetry  
Wearables  
Audio products  
Security panels  
Tamper detection circuits  
Dispensers  
Description  
The Si1141/42/43 is a low-power, reflectance-based, infrared proximity and ambient  
light sensor with I2C digital interface and programmable-event interrupt output. This  
touchless sensor IC includes an analog-to-digital converter, integrated high-  
sensitivity visible and infrared photodiodes, digital signal processor, and one, two, or  
three integrated infrared LED drivers with fifteen selectable drive levels. The Si1141/  
42/43 offers excellent performance under a wide dynamic range and a variety of light  
sources including direct sunlight. The Si1141/42/43 can also work under dark glass  
covers. The photodiode response and associated digital conversion circuitry provide  
excellent immunity to artificial light flicker noise and natural light flutter noise. With  
two or more LEDs, the Si1142/43 is capable of supporting multiple-axis proximity  
motion detection. The Si1141/42/43 devices are provided in a 10-lead 2x2 mm QFN  
package and are capable of operation from 1.71 to 3.6 V over the –40 to +85 °C  
temperature range.  
Rev. 1.41 5/15  
Copyright © 2015 by Silicon Laboratories  
Si1141/42/43  
 
 
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Si1142-A11-GM SILICON

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 		Si1142-A11-GM 在一个 QFN10 封装中集成了多个二极管、1 个 AD 转换
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