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参数资料
| 型号： | TSL237SM-LF |
| 厂商： | AMS-TAOS USA Inc |
| 文件页数： | 2/11页 |
| 文件大小： | 570K |
| 描述： | IC LIGHT TO FREQUENCY CONV 3SMD |
| 标准包装： | 1 |
| 传感器类型： | 光转频率转换器 |
| 输出类型： | 数字 |
| 其它名称： | TSL237-SM-LFDKR TSL237-SM-LFDKR-ND TSL237SM-LFDKR |
TSL237
HIGH-SENSITIVITY
LIGHT-TO-FREQUENCY CONVERTER
TAOS052J SEPTEMBER 2008
1
The LUMENOLOGY r Company
r
r
Copyright E 2008, TAOS Inc.
www.taosinc.com
D High-Resolution Conversion of Light
Intensity to Frequency With No External
Components
D High Irradiance Responsivity . . .
2.3 kHz/(mW/cm
2
) at ?/SPAN>
p
= 524 nm
D Low Dark Frequency . . . < 2 Hz at 505 C
D Single-Supply Operation . . . 2.7 V to 5.5 V
D Stable 200 ppm/?/SPAN>C Temperature Coefficient
D Interfaces Directly to a Microcontroller
D RoHS Compliant (LF Package Only)
Description
The TSL237 light-to-frequency converter combines a silicon photodiode and a current-to-frequency converter
on a single monolithic CMOS integrated circuit. Output is a square wave (50% duty cycle) with frequency directly
proportional to light intensity (irradiance) on the photodiode. The digital output allows direct interface to a
microcontroller or other logic circuitry. The device has been temperature compensated for the
ultraviolet-to-visible light range of 320 nm to 700 nm and responds over the light range of 320 nm to 1050 nm.
The TSL237 is characterized for operation over the temperature range of 40癈 to 85癈 and is supplied in a
3-lead clear plastic side-looker package with an integral lens. When supplied in the lead (Pb) free package, the
device is RoHS compliant.
For automotive and other extended temperature applications, please contact TAOS for information.
Functional Block Diagram
Light
Current-to-Frequency
Converter
Photodiode
Output
Available Options
DEVICE
T
A
PACKAGE LEADS
PACKAGE DESIGNATOR
ORDERING NUMBER
TSL237
40癈 to 70癈
3-lead Sidelooker
S
TSL237S
TSL237
40癈 to 70癈
3-lead Sidelooker Lead (Pb) Free
S
TSL237SLF
TSL237
40癈 to 70癈
3-lead Surface-Mount Sidelooker Lead (Pb) Free
SM
TSL237SMLF
r
r
Texas Advanced Optoelectronic Solutions Inc.
1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759
PACKAGE S
SIDELOOKER
(FRONT VIEW)
1
GND
2
V
DD
3
OUT
PACKAGE SM
SURFACE MOUNT
SIDELOOKER
(FRONT VIEW)
1
GND
2
V
DD
3
OUT
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TSL237T | 功能描述:光频率和光电压 Light to Frequency High Responsivity RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体: |
| TSL238 | 制造商:TAOS 制造商全称:TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 功能描述:HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER |
| TSL238D | 功能描述:光频率和光电压 Light to Frequency Converter RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体: |
| TSL238D-TR | 功能描述:光频率和光电压 Light to Frequency High Sensitivity RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体: |
| TSL238T | 功能描述:光频率和光电压 LIGHT TO FREQ CONV RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体: |
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