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參數(shù)資料
| 型號(hào)： | TSL237 |
| 廠商： | TAOS Inc. |
| 英文描述： | HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER |
| 中文描述： | 高靈敏度光到頻率轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 168K |
| 代理商： | TSL237 |
TSL237
HIGH-SENSITIVITY
LIGHT-TO-FREQUENCY CONVERTER
TAOS052G
SEPTEMBER 2007
1
The
LUMENOLOGY
Company
Copyright 2007, TAOS Inc.
www.taosinc.com
High-Resolution Conversion of Light
Intensity to Frequency With No External
Components
High Irradiance Responsivity . . .
2.3 kHz/( W/cm
2
) at
λ
p
= 524 nm
Low Dark Frequency . . . < 2 Hz at 50 C
Single-Supply Operation . . . 2.7 V to 5.5 V
Stable 200 ppm/
°
C Temperature Coefficient
Interfaces Directly to a Microcontroller
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
25
°
C to 70
°
C 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
TSL237
TSL237
TSL237
T
A
PACKAGE
LEADS
PACKAGE DESIGNATOR
S
S
SM
ORDERING NUMBER
TSL237S
TSL237S
LF
TSL237SM
LF
25
°
C to 70
°
C
25
°
C to 70
°
C
25
°
C to 70
°
C
3-lead Sidelooker
3-lead Sidelooker — Lead (Pb) Free
3-lead Surface-Mount Sidelooker — Lead (Pb) Free
Texas Advanced Optoelectronic Solutions Inc.
1001 Klein Road Suite 300 Plano, TX 75074 (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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TSL237S-LF | HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER |
| TSL237SM-LF | HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER |
| TSL238T | HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER |
| TSL238 | HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER |
| TSL238D | HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TSL237S-LF | 功能描述:光頻率和光電壓 Light to Frequency High Responsivity RoHS:否 制造商:ams 峰值波長(zhǎng):1000 nm 工作電源電壓:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風(fēng)格: 封裝 / 箱體: |
| TSL237SM-LF | 功能描述:光頻率和光電壓 Light to Frequency Converter RoHS:否 制造商:ams 峰值波長(zhǎng):1000 nm 工作電源電壓:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風(fēng)格: 封裝 / 箱體: |
| TSL237T | 功能描述:光頻率和光電壓 Light to Frequency High Responsivity RoHS:否 制造商:ams 峰值波長(zhǎng):1000 nm 工作電源電壓:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風(fēng)格: 封裝 / 箱體: |
| TSL238 | 制造商:TAOS 制造商全稱:TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS 功能描述:HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER |
| TSL238D | 功能描述:光頻率和光電壓 Light to Frequency Converter RoHS:否 制造商:ams 峰值波長(zhǎng):1000 nm 工作電源電壓:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 安裝風(fēng)格: 封裝 / 箱體: |
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