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TSL251R Datasheet

  • TSL251R

  • LIGHTTOVOLTAGE OPTICAL SENSORS

  • 98.53KB

  • 8頁

  • ETC

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t
TSL250R, TSL251R, TSL252R
LIGHT TO VOLTAGE OPTICAL SENSORS
t
TAOS028A 鈥?MAY 2001
D
Monolithic Silicon IC Containing
D
D
D
D
D
D
D
D
Photodiode, Operational Amplifier, and
Feedback Components
Converts Light Intensity to a Voltage
High Irradiance Responsivity, Typically 137
mV/(mW/cm
2
) at
l
p
= 635 nm (TSL250R)
Compact 3-Lead Clear Plastic Package
Single Voltage Supply Operation
Low Dark (Offset) Voltage....10mV Max
Low Supply Current......1.1 mA Typical
Wide Supply-Voltage Range.... 2.7 V to 5.5 V
Replacements for TSL250, TSL251, and
TSL252
PACKAGE
(FRONT VIEW)
1
2
3
GND V
DD
OUT
Description
The TSL250R, TSL251R, and TSL252R are light-to-voltage optical sensors, each combining a photodiode and
a transimpedance amplifier (feedback resistor = 16 M鈩? 8 M鈩? and 2.8 M鈩?respectively) on a single monolithic
IC. Output voltage is directly proportional to the light intensity (irradiance) on the photodiode. These devices
have improved amplifier offset-voltage stability and low power consumption and are supplied in a 3-lead clear
plastic sidelooker package with an integral lens
Functional Block Diagram
鈥?/div>
+
Voltage
Output
Terminal Functions
TERMINAL
NAME
GND
OUT
V
DD
NO.
1
3
2
Output voltage
Supply voltage
DESCRIPTION
Ground (substrate). All voltages are referenced to GND.
www.taosinc.com
Texas Advanced Optoelectronic Solutions Inc.
800 Jupiter Road, Suite 205
S
Plano, TX 75074
S
(972) 673-0759
t
t
Copyright
E
2001, TAOS Inc.
1

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