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OPA2380 PDF даташит

Спецификация OPA2380 изготовлена ​​​​«Burr-Brown» и имеет функцию, называемую «Precision / High-Speed Transimpedance Amplifier».

Детали детали

Номер произв OPA2380
Описание Precision / High-Speed Transimpedance Amplifier
Производители Burr-Brown
логотип Burr-Brown логотип 

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OPA2380 Даташит, Описание, Даташиты
OPA380
OPA2380
SBOS291E − NOVEMBER 2003 − REVISED NOVEMBER 2004
Precision, High-Speed
Transimpedance Amplifier
FEATURES
D > 1MHz TRANSIMPEDANCE BANDWIDTH
D EXCELLENT LONG-TERM VOS STABILITY
D BIAS CURRENT: 50pA (max)
D OFFSET VOLTAGE: 25µV (max)
D INPUT CURRENT RANGE: 10nA to 1mA
D DRIFT: 0.1µV/°C (max)
D GAIN BANDWIDTH: 90MHz
D QUIESCENT CURRENT: 6.5mA
D SUPPLY RANGE: 2.7V to 5.5V
D SINGLE AND DUAL VERSIONS
D MicroSize PACKAGE: MSOP-8
APPLICATIONS
D PHOTODIODE MONITORING
D PRECISION I/V CONVERSION
D OPTICAL AMPLIFIERS
D CAT-SCANNER FRONT-END
2
Photodiode
1M
3
RF
+5V
7
OPA380
VOUT
6 (0V to 4.4V)
67pF
100k
RP
(Optional
Pulldown
Resistor)
5V
75pF
4
DESCRIPTION
The OPA380 family of transimpedance amplifiers provides
high-speed (90MHz Gain Bandwidth [GBW]) operation, with
extremely high precision, excellent long-term stability, and
very low 1/f noise. It is ideally suited for high-speed
photodiode applications. The OPA380 features an offset
voltage of 25µV, offset drift of 0.1µV/°C, and bias current of
50pA. The OPA380 far exceeds the offset, drift, and noise
performance that conventional JFET op amps provide.
The signal bandwidth of a transimpedance amplifier depends
largely on the GBW of the amplifier and the parasitic
capacitance of the photodiode, as well as the feedback
resistor. The 90MHz GBW of the OPA380 enables a trans-
impedance bandwidth of > 1MHz in most configurations. The
OPA380 is ideally suited for fast control loops for power level
on an optical fiber.
As a result of the high precision and low-noise characteristics
of the OPA380, a dynamic range of 5 decades can be
achieved. This capability allows the measurement of signal
currents in the order of 10nA, and up to 1mA in a single I/V
conversion stage. In contrast to logarithmic amplifiers, the
OPA380 provides very wide bandwidth throughout the full
dynamic range. By using an external pulldown resistor to
–5V, the output voltage range can be extended to include 0V.
The OPA380 (single) is available in MSOP-8 and SO-8
packages. The OPA2380 (dual) is available in the
miniature MSOP-8 package. They are specified from
–40°C to +125°C.
OPA380 RELATED DEVICES
PRODUCT
OPA300
OPA350
OPA335
OPA132
OPA656/7
LOG112
LOG114
IVC102
FEATURES
150MHz CMOS, 2.7V to 5.5V Supply
500µV VOS, 38MHz, 2.5V to 5V Supply
10µV VOS, Zero-Drift, 2.5V to 5V Supply
16MHz GBW, Precision FET Op Amp, ±15V
230MHz, Precision FET, ±5V
LOG amp, 7.5 decades, ±4.5V to ±18V Supply
LOG amp, 7.5 decades, ±2.25V to ±5.5V Supply
Precision Switched Integrator
DDC112
Dual Current Input, 20-Bit ADC
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 2003-2004, Texas Instruments Incorporated
www.ti.com









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OPA2380 Даташит, Описание, Даташиты
OPA380
OPA2380
SBOS291E − NOVEMBER 2003 − REVISED NOVEMBER 2004
ABSOLUTE MAXIMUM RATINGS(1)
Voltage Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7V
Signal Input Terminals(2), Voltage . . . . . . . . . . −0.5V to (V+) + 0.5V
Current . . . . . . . . . . . . . . . . . . . . . ±10mA
Short-Circuit Current(3) . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Operating Temperature Range . . . . . . . . . . . . . . . −40°C to +125°C
Storage Temperature Range . . . . . . . . . . . . . . . . . −65°C to +150°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Lead Temperature (soldering, 10s) . . . . . . . . . . . . . . . . . . . . . +300°C
ESD Rating (Human Body Model) . . . . . . . . . . . . . . . . . . . . . . . 2000V
(1) Stresses above these ratings may cause permanent damage.
Exposure to absolute maximum conditions for extended periods
may degrade device reliability. These are stress ratings only, and
functional operation of the device at these or any other conditions
beyond those specified is not implied.
(2) Input terminals are diode clamped to the power-supply rails. Input
signals that can swing more than 0.5V beyond the supply rails
should be current limited to 10mA or less.
(3) Short-circuit to ground; one amplifier per package.
PIN ASSIGNMENTS
Top View
www.ti.com
ELECTROSTATIC DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Texas
Instruments recommends that all integrated circuits be
handled with appropriate 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.
PACKAGE/ORDERING INFORMATION(1)
PRODUCT
PACKAGE-LEAD
PACKAGE
MARKING
OPA380
MSOP-8
AUN
OPA380
SO-8
OPA380A
OPA2380
MSOP-8
BBX
(1) For the most current package and ordering information, see the
Package Option Addendum located at the end of this data sheet.
NC(1) 1
In 2
+In 3
V4
OPA380
8 NC(1)
7 V+
6 Out
5 NC(1)
MSOP−8, SO−8
NOTES: (1) NC indicates no internal connection.
Out A 1
In A 2
+In A 3
V4
OPA2380
MSOP−8
8 V+
7 Out B
6 In B
5 +In B
2









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OPA2380 Даташит, Описание, Даташиты
www.ti.com
OPA380
OPA2380
SBOS291E − NOVEMBER 2003 − REVISED NOVEMBER 2004
ELECTRICAL CHARACTERISTICS: OPA380 (SINGLE), VS = 2.7V to 5.5V
Boldface limits apply over the temperature range, TA = −40°C to +125°C.
All specifications at TA = +25°C, RL = 2kconnected to VS/2, and VOUT = VS/2, unless otherwise noted.
OPA380
PARAMETER
CONDITION
MIN TYP
OFFSET VOLTAGE
Input Offset Voltage
Drift
vs Power Supply
Over Temperature
Long-Term Stability(1)
VOS
dVOS/dT
PSRR
VS = +5V, VCM = 0V
VS = +2.7V to +5.5V, VCM = 0V
VS = +2.7V to +5.5V, VCM = 0V
4
0.03
2.4
See Note (1)
Channel Separation, dc
1
MAX
25
0.1
10
10
UNITS
µV
µV/°C
µV/V
µV/V
µV/V
INPUT BIAS CURRENT
Input Bias Current
Over Temperature
Input Offset Current
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz
Input Voltage Noise Density, f = 10kHz
Input Voltage Noise Density, f > 1MHz
Input Current Noise Density, f = 10kHz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
INPUT IMPEDANCE
Differential Capacitance
Common-Mode Resistance and Inverting Input
Capacitance
IB
IOS
en
en
en
in
VCM
CMRR
VCM = VS/2
VCM = VS/2
VS = +5V, VCM = 0V
VS = +5V, VCM = 0V
VS = +5V, VCM = 0V
VS = +5V, VCM = 0V
(V−) < VCM < (V+) – 1.8V
3 ±50
Typical Characteristics
6 ±100
pA
pA
3 µVPP
67 nV/Hz
5.8 nV/Hz
10 fA/Hz
V−
(V+) − 1.8V
V
100 110
dB
1.1
1013 || 3
pF
|| pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain
FREQUENCY RESPONSE
Gain-Bandwidth Product
Slew Rate
Settling Time, 0.01%(3)
Overload Recovery Time(4)(5)
OUTPUT
Voltage Output Swing from Positive Rail
Voltage Output Swing from Negative Rail
Voltage Output Swing from Positive Rail
Voltage Output Swing from Negative Rail
Output Current
Short-Circuit Current
Capacitive Load Drive
Open-Loop Output Impedance
POWER SUPPLY
Specified Voltage Range
Quiescent Current
Over Temperature
AOL
GBW
SR
tS
0.1V < VO < (V+) − 0.7V, VS = 5V, VCM = VS/2
0.1V < VO < (V+) − 0.6V, VS = 5V, VCM = VS/2,
TA = -40°C to +85°C
0V < VO < (V+) − 0.7V, VS = 5V, VCM = 0V,
RP = 2kto −5V(2)
0V < VO < (V+) − 0.6V, VS = 5V, VCM = 0V,
RP = 2kto −5V(2), TA = -40°C to +85°C
CL = 50pF
G = +1
VS = +5V, 4V Step, G = +1
VIN G = > VS
IOUT
ISC
CLOAD
RO
RL = 2k
RL = 2k
RP = 2kto −5V(2)
RP = 2kto −5V(2)
f = 1MHz, IO = 0A
VS
IQ IO = 0A
110 130
110 130
106 120
106 120
90
80
2
100
400 600
60 100
400 600
−20 0
See Typical Characteristics
150
See Typical Characteristics
40
2.7 5.5
6.5 8.3
8.8
dB
dB
dB
dB
MHz
V/µs
µs
ns
mV
mV
mV
mV
mA
V
mA
mA
TEMPERATURE RANGE
Specified and Operating Range
Storage Range
Thermal Resistance
MSOP-8, SO-8
qJA
−40
+125
°C
−65
+150
°C
150 °C/W
(1) 300-hour life test at 150°C demonstrated randomly distributed variation approximately equal to measurement repeatability of 1µV.
(2) Tested with output connected only to RP, a pulldown resistor connected between VOUT and −5V, as shown in Figure 5. See also applications section, Achieving
Output Swing to Ground.
(3) Transimpedance frequency of 1MHz.
(4) Time required to return to linear operation.
(5) From positive rail.
3










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