參數(shù)資料
型號(hào): TSL235R-LF
廠(chǎng)商: TAOS Inc.
英文描述: LIGHT-TO-FREQUENCY CONVERTER
中文描述: 光到頻率轉(zhuǎn)換器
文件頁(yè)數(shù): 1/10頁(yè)
文件大小: 160K
代理商: TSL235R-LF
TSL235R
LIGHT-TO-FREQUENCY CONVERTER
TAOS038E
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
Communicates Directly With a
Microcontroller
Compact Three-Leaded Clear-Plastic
Package
Single-Supply Operation Down to 2.7 V
Nonlinearity Error Typically 0.2% at 100 kHz
Stable 150 ppm/
°
C Temperature Coefficient
Single-Supply Operation
RoHS Compliant (
LF Package Only)
Description
The TSL235R 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 TSL235R 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.
Functional Block Diagram
Light
Current-to-Frequency
Converter
Photodiode
Output
Available Options
DEVICE
TSL235R
TSL235R
TSL235R
T
A
PACKAGE
LEADS
PACKAGE DESIGNATOR
S
S
SM
ORDERING NUMBER
TSL235R
TSL235R
LF
TSL235RSM
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
Terminal Functions
TERMINAL
NAME
GND
OUT
V
DD
TYPE
DESCRIPTION
NO.
1
3
2
Power supply ground (substrate). All voltages are referenced to GND.
Output frequency.
Supply voltage.
O
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
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參數(shù)描述
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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: