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PDF TSL245R Data sheet ( Hoja de datos )
| Número de pieza | TSL245R | |
| Descripción | INFRARED LIGHT-TO-FREQUENCY CONVERTER | |
| Fabricantes | TAOS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TSL245R (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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r TSL245R
INFRARED LIGHT-TO-FREQUENCY CONVERTER
r TAOS060D − SEPTEMBER 2007
D High-Resolution Conversion of Light
Intensity to Frequency With No External
Components
D Communicates Directly With a
Microcontroller
D Compact Three-Leaded Plastic Package
D Integral Visible-Light Cutoff Filter
D Single-Supply Operation . . . 2.7 V to 5.5 V
D High Irradiance Responsivity . . . Typically
500 Hz/(μW/cm2) at 940 nm
D Nonlinearity Error Typically 0.2% at 100 kHz
D Available in Through-Hole and Surface
Mount Three-Lead Sidelooker Packages
D Replacement for TSL245
D Lead (Pb) Free Package Option Available
PACKAGE S
SIDELOOKER
(FRONT VIEW)
PACKAGE SM
SURFACE MOUNT
SIDELOOKER
(FRONT VIEW)
123
GND VDD OUT
123
GND VDD OUT
Description
The TSL245R 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 TSL245R is characterized for operation over the temperature range
of −25°C to 70°C and is supplied in a 3-lead plastic side-looker package with an integral visible-light cutoff filter
and lens. When supplied in the lead (Pb) free package, the devices are RoHS compliant.
Functional Block Diagram
Light
Photodiode
Current-to-Frequency
Converter
Output
Available Options
DEVICE
TSL245R
TSL245R
TSL245R
TSL245R
TA
−25°C to 70°
−25°C to 70°
−25°C to 70°
−25°C to 70°
PACKAGE − LEADS
3-lead Sidelooker
3-lead Sidelooker — Lead (Pb) Free
3-lead Surface Mount Sidelooker
3-lead Surface Mount Side-Looker — Lead (Pb)
Free
PACKAGE DESIGNATOR
S
S
SM
SM
ORDERING NUMBER
TSL245R
TSL245R−LF
TSL245RSM
TSL245RSM−LF
The
LUMENOLOGY
r
Company
Texas
Advarnced
Optoelectronic
Solutions
Inc.
1001 Klein Road S Suite 300 S Plano, TX 75074 S (972r) 673-0759
www.taosinc.com
Copyright E 2007, TAOS Inc.
1
1 page  
TSL245R
INFRARED LIGHT-TO-FREQUENCY CONVERTER
APPLICATION INFORMATION
TAOS060D − SEPTEMBER 2007
PCB Pad Layout
Suggested PCB pad layout guidelines for the SM surface mount package are shown in Figure 6.
1.0 1.0 1.0
3.2
1.0 1.0
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
Figure 6. Suggested SM Package PCB Layout
The LUMENOLOGY r Company
r
www.taosinc.com
r
Copyright E 2007, TAOS Inc.
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet TSL245R.PDF ] | |
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