OPT101
SBBS002A – JANUARY 1994 – REVISED OCTOBER 2003
MONOLITHIC PHOTODIODE AND
SINGLE-SUPPLY TRANSIMPEDANCE AMPLIFIER
FEATURES
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SINGLE SUPPLY: +2.7 to +36V
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PHOTODIODE SIZE: 0.090 x 0.090 inch
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INTERNAL 1MΩ FEEDBACK RESISTOR
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HIGH RESPONSIVITY: 0.45A/W (650nm)
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BANDWIDTH: 14kHz at R
F
= 1MΩ
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LOW QUIESCENT CURRENT: 120
µ
A
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AVAILABLE IN 8-PIN DIP AND 8-LEAD
SURFACE-MOUNT PACKAGES
DESCRIPTION
The OPT101 is a monolithic photodiode with on-chip
transimpedance amplifier. Output voltage increases linearly
with light intensity. The amplifier is designed for single or
dual power-supply operation, making it ideal for battery-
operated equipment.
The integrated combination of photodiode and
transimpedance amplifier on a single chip eliminates the
problems commonly encountered in discrete designs such as
leakage current errors, noise pick-up, and gain peaking due
to stray capacitance. The 0.09 x 0.09 inch photodiode is
operated in the photoconductive mode for excellent linearity
and low dark current.
The OPT101 operates from +2.7V to +36V supplies and
quiescent current is only 120µA. It is available in clear
plastic 8-pin DIP, and J-formed DIP for surface mounting.
Temperature range is 0°C to +70°C.
APPLICATIONS
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MEDICAL INSTRUMENTATION
LABORATORY INSTRUMENTATION
POSITION AND PROXIMITY SENSORS
PHOTOGRAPHIC ANALYZERS
BARCODE SCANNERS
SMOKE DETECTORS
CURRENCY CHANGERS
V+
2
3pF
1
SPECTRAL RESPONSIVITY
Green
Yellow
0.7
Blue
Ultraviolet
0.7
Red
Infrared
0.6
0.6
0.5
1MΩ
8pF
4
0.5
0.4
0.3
0.2
0.1
Using Internal
1MΩ Resistor
0.4
0.3
0.2
0.1
0
1000 1100
5
7.5mV
λ
V
B
OPT101
8
3
0
200
300
400
500 600 700 800
Wavelength (nm)
900
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 1994-2003, Texas Instruments Incorporated
www.ti.com
Photodiode Responsivity (A/W)
Voltage Output (V/µW)
BURR-BROWN [ BURR-BROWN CORPORATION ]
