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OPT210 데이터시트 PDF




Burr-Brown Corporation에서 제조한 전자 부품 OPT210은 전자 산업 및 응용 분야에서
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부품번호 OPT210 기능
기능 MONOLITHIC PHOTODIODE AND AMPLIFIER 300kHz Bandwidth at RF = 1MW
제조업체 Burr-Brown Corporation
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OPT210 데이터시트, 핀배열, 회로
®
FPO
OPT210
MONOLITHIC PHOTODIODE AND AMPLIFIER
300kHz Bandwidth at RF = 1M
FEATURES
q BOOTSTRAP ANODE DRIVE:
Extends Bandwidth: 900kHz (RF = 100K)
Reduces Noise
q LARGE PHOTODIODE: 0.09" x 0.09"
q HIGH RESPONSIVITY: 0.45A/W (650nm)
q EXCELLENT SPECTRAL RESPONSE
q WIDE SUPPLY RANGE: ±2.25 to ±18V
q TRANSPARENT DIP, SIP AND SURFACE-
MOUNT PACKAGES
APPLICATIONS
q BARCODE SCANNERS
q MEDICAL INSTRUMENTATION
q LABORATORY INSTRUMENTATION
q POSITION AND PROXIMITY DETECTORS
q PARTICLE DETECTORS
DESCRIPTION
The OPT210 is a photodetector consisting of a high
performance silicon photodiode and precision FET-
input transimpedance amplifier integrated on a single
monolithic chip. Output is an analog voltage propor-
tional to light intensity.
The large 0.09" x 0.09" photodiode is operated at low
bias voltage for low dark current and excellent linear-
ity. A novel photodiode anode bootstrap circuit re-
duces the effects of photodiode capacitance to extend
bandwidth and reduces noise.
The integrated combination of photodiode and
transimpedance amplifier on a single chip eliminates
the problems commonly encountered with discrete
designs such as leakage current errors, noise pick-up
and gain peaking due to stray capacitance.
The OPT210 operates from ±2.25 to ±18V supplies
and quiescent current is only 2mA. Available in a
transparent 8-pin DIP, 8-lead surface-mount and 5-pin
SIP, it is specified for 0° to 70°C operation.
V+
1 (2) 2 (3)
λ +1
RF
OPT210
5
(5)
VO
8 (1)
3 (4)
V–
DIP Pins (SIP Pins)
SPECTRAL RESPONSIVITY
Ultraviolet
0.5
Using External
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-11313B
OPT210
®




OPT210 pdf, 반도체, 판매, 대치품
PIN CONFIGURATIONS
Top View
V+ 1
–In 2
V– 3
NC 4
(1)
8 Common
7 NC
6 NC
5 Output
Top View
NOTE: (1) Photodiode location.
Common
V+
–In
V–
Output
1
2
3
4
5
(1)
NOTE: (1) Photodiode location.
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
Storage Temperature: P, W ........................................... –25°C to +85°C
Junction Temperature: P, W .......................................................... +85°C
Lead Temperature (soldering, 10s) ................................................ +300°C
(Vapor-Phase Soldering Not Recommended on Plastic Packages)
PACKAGE INFORMATION
PRODUCT
PACKAGE
PACKAGE DRAWING
NUMBER(1)
OPT210P
OPT210P-J
OPT210W
8-Pin Plastic DIP
8-Lead Surface Mount(2)
5-Pin Plastic SIP
006-5
006-6
321-1
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix C of Burr-Brown IC Data Book. (2) 8-pin DIP with leads
formed for surface mounting.
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 OPT210 plastic
packages cannot meet flammability test, UL-94.
®
OPT210
4

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OPT210 전자부품, 판매, 대치품
APPLICATIONS INFORMATION
Basic operation of the OPT210 is shown in Figure 1. Power
supply bypass capacitors should be connected near the
device pins as shown. Noise performance of the OPT210 can
be degraded by the high frequency noise on the power
supplies. Resistors in series with the power supply pins as
shown can be used (optional) to help filter power supply
noise
An external feedback resistor, RF, is connected from –In to
the VO terminal as shown in Figure 1. Feedback resistors of
1Mor less require parallel capacitor, CF. See the table of
values in Figure 1.
(paracitic capacitance)
+15V
1µF 100
+
1 (2) 2 (3)
λ +1
CF For RF > 2M,
use series-connected
resistors. See text.
RF
OPT210
5
(5) VO
(0V to 14V)
8 (1)
3 (4)
100
+ 1µF
The typical performance curve “Output Voltage vs Radiant
Power” shows the response throughout a wide range of
radiant power and feedback resistor values. The response
curve “Output Voltage vs Irradiance” is based on the
photodiode area of 5.23x10–6m2.
BOOTSTRAP BUFFER
The photodiode’s anode is driven by an internal high speed
voltage buffer shown in Figure 1. This variation on the
classical transimpedance amplifier circuit reduces the effects
of photodiode capacitance. The effective photodiode
capacitance is reduced from approximately 550pF to 10pF
with this bootstrap drive technique. This improves bandwidth
and reduces noise.
The output voltage of the buffer is offset approximately
1.2V below the input. This reverse biases the photodiode for
reduced capacitance.
OP AMP
A special op amp design is used to achieve wide bandwidth.
The op amp output voltage cannot swing lower than 0.5V
below the non-inverting input voltage. Since photodiode
current always produces a positive output voltage, this does
not limit the required output swing.
The inverting input is designed for very low input bias
current—approximately 15pA. The non-inverting input has
much larger bias current—approximately 300µA flows out
of this terminal.
Optional series resistors filter
power supply noise. See text.
–15V
RF
10M
1M
100k
10k
1k
CF (min)
(1)
0.5pF
1.8pF
10pF
20pF
BANDWIDTH
70kHz
300kHz
900kHz
1.6MHz
1.6MHz
NOTE: (1) Two series-connected resis-
tors of RF /2 for low capacitance. See text.
FIGURE 1. Basic Operation.
Bandwidth varies with feedback resistor value. To achieve
widest bandwidth with resistors greater than 1M, use care
to minimize parasitic parallel capacitance. For widest
bandwidth with resistors greater than 2M, connect two
resistors (RF/2) in series. Airwiring this interconnection
provides lowest capacitance. Although the OPT210 is usable
with feedback resistors of 100Mand higher, with
RF 10Mthe model OPT211 will provide lower dc errors
and reduced noise.
+15V
0.1µF
RF
1 (2) 2 (3)
1M
OPT210
λ
+15V
100µA
1/2 REF200
200
200
5
(5) VO
+1
Output voltage
offset by VA
8 (1) 3 (4)
300µA
0.1µF
OPA131
10k
–15V
VA
±20mV
100µA
1/2 REF200
–15V
The OPT210’s output voltage is the product of the photodiode
current times the external feedback resistor, RF. 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.”
FIGURE 2. Adjustable Output Offset.
An offset voltage can be connected to the non-inverting
input as shown in Figure 2. A voltage applied to the non-
inverting input is summed at the output. Because the non-
inverting input bias current is high (approximately 300µA),
it should be driven by a low impedance such as the buffer-
connected op amp shown.
®
7 OPT210

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