100M鈩?/div>
BANDWIDTH
50kHz
*150kHz
5kHz
*13kHz
*with bootstrap buffer
DESCRIPTION
The OPT211 is a monolithic photodiode with on-chip
FET-input transpedance amplifier, that provides wide
bandwidth at very high gains. Uncommitted input and
feedback nodes allow a variety of feedback options for
maximum versatility. Trade-offs in responsivity (gain),
bandwidth and SNR can easily be made.
The monolithic combination of photodiode and
transimpedance amplifier on a single chip eliminates
the problems commonly encountered in discrete de-
signs such as leakage current errors, noise pickup and
gain peaking due to stray capacitance. The 0.09
x
0.09
inch photodiode is operated at zero bias for excellent
linearity and low dark current. Direct access to the
detector鈥檚 anode allows photodiode bootstrapping,
which increases speed performance.
The OPT211 operates over a wide supply range (鹵2.25V
to
鹵18V)
and supply current is only 400碌A. It is
packaged in a transparent plastic 8-pin DIP specified
for the 0擄C to 70擄C temperature range.
q
PHOTODIODE SIZE: 0.090 x 0.090 inch
(2.29 x 2.29mm)
q
HIGH RESPONSIVITY: 0.45A/W (650nm)
q
LOW DARK ERRORS: 2mV max
q
EXCELLENT SPECTRAL RESPONSE
q
LOW QUIESCENT CURRENT: 400
碌
A
q
TRANSPARENT 8-PIN DIP
APPLICATIONS
q
MEDICAL INSTRUMENTATION
q
LABORATORY INSTRUMENTATION
q
POSITION AND PROXIMITY SENSORS
q
PHOTOGRAPHIC ANALYZERS
q
BARCODE SCANNERS
Photodiode Responsivity (A/W)
SPECTRAL RESPONSIVITY
Green
Yellow
Blue
q
SMOKE DETECTORS
R
F
2
OPT211
Ultraviolet
Red
Infrared
0.5
0.4
0.3
0.2
0.1
0
Using External
1M鈩?Resistor
位
7
8
1
V+
3
V鈥?/div>
5
V
OUT
100
200 300 400 500
600
700 800 900 1000 1100
Wavelength (nm)
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111 鈥?Twx: 910-952-1111
Internet: http://www.burr-brown.com/ 鈥?FAXLine: (800) 548-6133 (US/Canada Only) 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
漏
1994 Burr-Brown Corporation
PDS-1258B
Printed in U.S.A. January, 1995
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