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OPT202 데이터시트 PDF




Burr-Brown Corporation에서 제조한 전자 부품 OPT202은 전자 산업 및 응용 분야에서
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PDF 형식의 OPT202 자료 제공

부품번호 OPT202 기능
기능 PHOTODIODE WITH ON-CHIP AMPLIFIER
제조업체 Burr-Brown Corporation
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OPT202 데이터시트, 핀배열, 회로
®
FPO
OPT202
PHOTODIODE
WITH ON-CHIP AMPLIFIER
FEATURES
q BANDWIDTH: 50kHz
q PHOTODIODE SIZE: 0.090 x 0.090 inch
(2.29 x 2.29mm)
q 1MFEEDBACK RESISTOR
q HIGH RESPONSIVITY: 0.45A/W (650nm)
q LOW DARK ERRORS: 2mV
q WIDE SUPPLY RANGE: ±2.25 to ±18V
q LOW QUIESCENT CURRENT: 400µA
q TRANSPARENT 8-PIN DIP AND 5-PIN SIP
q HERMETIC 8-PIN CERAMIC DIP
APPLICATIONS
q MEDICAL INSTRUMENTATION
q LABORATORY INSTRUMENTATION
q POSITION AND PROXIMITY SENSORS
q PHOTOGRAPHIC ANALYZERS
q SMOKE DETECTORS
2 (Pin available on DIP only)
1M
4 (4)
3pF
1755
λ (5)
(1) 8 (2) 1
V+
OPT202
(3) 3
V–
(SIP)
DIP
VO
DESCRIPTION
The OPT202 is an opto-electronic integrated circuit
containing a photodiode and transimpedance
amplifier on a single dielectrically isolated chip. The
transimpedance amplifier consists of a precision FET-
input op amp and an on-chip metal film resistor. The
0.09 x 0.09 inch photodiode is operated at zero bias for
excellent linearity and low dark current.
The integrated 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 pick-up and
gain peaking due to stray capacitance.
The OPT202 operates over a wide supply range (±2.25
to ±18V) and supply current is only 400µA. It is
packaged in a transparent plastic 8-pin DIP or 5-pin
SIP, specified for the 0°C to +70°C temperature range
as well as a hermetic ceramic 8-pin DIP with a glass
window, specified for the –40°C to +85°C tempera-
ture range.
SPECTRAL RESPONSIVITY
Ultraviolet
0.5
Using Internal
0.4 1MResistor
0.3
Infrared
0.5
0.4
0.3
0.2 0.2
0.1 0.1
00
100 200 300 400 500 600 700 800 900 1000 1100
Wavelength (nm)
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
PDS-11200E
OPT202
®




OPT202 pdf, 반도체, 판매, 대치품
PIN CONFIGURATIONS
Top View
V+ 1
–In 2
V– 3
1MFeedback 4
(1)
8 Common
7 NC
6 NC
5 Output
Top View
NOTE: (1) Photodiode location.
Common 1
V+ 2
V– 3
(1)
1MFeedback 4
Output 5
DIP
SIP
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ................................................................................... ±18V
Input Voltage Range (Common Pin) .................................................... ±VS
Output Short-Circuit (to ground) ............................................... Continuous
Operating Temperature: P, W ........................................... –25°C to +85°C
G ............................................. –55°C to +125°C
Storage Temperature: P, W ........................................... –25°C to +85°C
G ............................................. –55°C to +125°C
Junction Temperature: P, W .......................................................... +85°C
G ............................................................. +150°C
Lead Temperature (soldering, 10s) ................................................ +300°C
(Vapor-Phase Soldering Not Recommended on Plastic Packages)
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with ap-
propriate precautions. Failure to observe proper handling and
installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may
be more susceptible to damage because very small parametric
changes could cause the device not to meet its published
specifications.
MOISTURE SENSITIVITY
AND SOLDERING
Clear plastic does not contain the structural-enhancing fillers
used in black plastic molding compound. As a result, clear
plastic is more sensitive to environmental stress than black
plastic. This can cause difficulties if devices have been stored
in high humidity prior to soldering. The rapid heating during
soldering can stress wire bonds and cause failures. Prior to
soldering, it is recommended that plastic devices be baked-out
at 85°C for 24 hours.
The fire-retardant fillers used in black plastic are not compat-
ible with clear molding compound. The OPT202 plastic
packages cannot meet flammability test, UL-94.
PACKAGE INFORMATION
PRODUCT
PACKAGE
PACKAGE DRAWING
NUMBER(1)
OPT202P
OPT202W
OPT202G
8-Pin Plastic DIP
5-Pin Plastic SIP
8-Pin Ceramic DIP
006-1
321
161-1
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix C of Burr-Brown IC Data Book.
®
OPT202
4

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OPT202 전자부품, 판매, 대치품
APPLICATIONS INFORMATION
Figure 1 shows the basic connections required to operate the
OPT202. Applications with high-impedance power supplies
may require decoupling capacitors located close to the
device pins as shown. Output is zero volts with no light and
increases with increasing illumination.
ID is proportional
to light intensity
(radiant power).
λ
(Pin available on DIP only)
1MRF
(0V) 3pF
ID
ID 175
OPT202
VO
VO = ID RF
0.1µF 0.1µF
+15V
–15V
FIGURE 1. Basic Circuit Connections.
Photodiode current, ID, is proportional to the radiant power
or flux (in watts) falling on the photodiode. At a wavelength
of 650nm (visible red) the photodiode Responsivity, RI, is
approximately 0.45A/W. Responsivity at other wavelengths
is shown in the typical performance curve “Responsivity vs
Wavelength.”
The typical performance curve “Output Voltage vs Radiant
Power” shows the response throughout a wide range of
radiant power. The response curve “Output Voltage vs
Irradiance” is based on the photodiode area of 5.23 x 10–6m2.
The OPT202’s voltage output is the product of the photodiode
current times the feedback resistor, (IDRF). The internal
feedback resistor is laser trimmed to 1MΩ ±2%. Using this
resistor, the output voltage responsivity, RV, is approximately
0.45V/µW at 650nm wavelength.
An external resistor can be connected to set a different
voltage responsivity. Best dynamic performance is achieved
by connecting REXT in series (for RF > 1M), or in parallel
(for RF < 1M), with the internal resistor as shown in
Figure 2. Placing the external resistor in parallel with the
internal resistor requires the DIP package. These connections
take advantage of on-chip capacitive guarding of the internal
resistor, which improves dynamic performance. For values
of RF less than 1M, an external capacitor, CEXT, should be
connected in parallel with RF (see Figure 2). This capacitor
eliminates gain peaking and prevents instability. The value
of CEXT can be read from the table in Figure 2.
LIGHT SOURCE POSITIONING
The OPT202 is 100% tested with a light source that uniformly
illuminates the full area of the integrated circuit, including
the op amp. Although all IC amplifiers are light-sensitive to
some degree, the OPT202 op amp circuitry is designed to
minimize this effect. Sensitive junctions are shielded with
metal, and differential stages are cross-coupled. Furthermore,
the photodiode area is very large relative to the op amp input
circuitry making these effects negligible.
If your light source is focused to a small area, be sure that
it is properly aimed to fall on the photodiode. If a narrowly
focused light source were to miss the photodiode area and
fall only on the op amp circuitry, the OPT202 would not
perform properly. The large (0.090 x 0.090 inch) photodiode
area allows easy positioning of narrowly focused light sources.
The photodiode area is easily visible—it appears very dark
compared to the surrounding active circuitry.
The incident angle of the light source also affects the
apparent sensitivity in uniform irradiance. For small incident
angles, the loss in sensitivity is simply due to the smaller
effective light gathering area of the photodiode (proportional
to the cosine of the angle). At a greater incident angle, light
is diffused by the side of the package. These effects are
shown in the typical performance curve “Response vs Incident
Angle.”
For RF > 1M
1M
RF = REXT + 1M
REXT
175
λ VO = ID RF
OPT202
V+ V–
CEXT
For RF < 1M
2 RF = REXT || 1M
1M
3pF
REXT
4
1755
λ VO = ID RF
81
OPT202
3
Circuit Requires
DIP Package
V+ V–
EQUIVALENT RF
100M
10M
1M
330k
100k
CEXT
(1)
(1)
(1)
2pF
(2)
NOTES: (1) No CEXT required. (2)
Not recommended due to possible
op amp instability.
FIGURE 2. Using External Feedback Resistor.
®
7 OPT202

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부품번호상세설명 및 기능제조사
OPT202

PHOTODIODE WITH ON-CHIP AMPLIFIER

Burr-Brown Corporation
Burr-Brown Corporation

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