TSL250RD Datasheet, PDF (1/12 Pages) TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS – LIGHT-TO-VOLTAGE OPTICAL SENSORS

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D Monolithic Silicon IC Containing
Photodiode, Operational Amplifier, and
Feedback Components
D Converts Light Intensity to a Voltage
D High Irradiance Responsivity, Typically
− 64 mV/(mW/cm²) at l_p = 640 nm
(TSL250RD)
− 58 mV/(mW/cm²) at l_p = 940 nm
(TSL260RD)
D Single Voltage Supply Operation
D Low Dark (Offset) Voltage . . . 10 mV Max
D Low Supply Current . . . 1.1 mA Typical
D Wide Supply-Voltage Range . . . 2.7 V to 5.5 V
D Low-Profile Surface-Mount Package:
− Clear Plastic for TSL250RD and
TSL251RD
− Visible Light-Cutoff Filter Plastic for
TSL260RD and TSL261RD
D Lead (Pb) Free and RoHS Compliant
Package
TSL250RD, TSL251RD, TSL260RD, TSL261RD
LIGHT-TO-VOLTAGE OPTICAL SENSORS
TAOS050K − OCTOBER 2007
PACKAGE D
8-LEAD SOIC
(TOP VIEW)
NC 1
NC 2
NC 3
GND 4
8 NC
7 OUT
6 V_DD
5 NC
Description
The TSL250RD, TSL251RD, TSL260RD, and TSL261RD are light-to-voltage optical sensors, each combining
a photodiode and a transimpedance amplifier on a single monolithic IC. The TSL250RD and TSL260RD have
an equivalent feedback resistance of 16 MΩ and a photodiode measuring 1 square mm. The TSL251RD and
TSL261RD have an equivalent feedback resistance of 8 MΩ and a photodiode measuring 0.5 square mm.
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.
Functional Block Diagram
−
Voltage
+
Output
Terminal Functions
TERMINAL
NAME NO.
GND
4
OUT
7
V_DD
6
DESCRIPTION
Ground (substrate). All voltages are referenced to GND.
Output voltage.
Supply voltage.
The LUMENOLOGY r Company
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Texas Advanced Optoelectronic Solutions Inc.
1001 Klein Road S Suite 300 S Plano, TX 75074 S (972_r) 673-0759
www.taosinc.com
Copyright E 2007, TAOS Inc.
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