OP291GP Fast Delivery |IC PHOENIX CO.,LIMITED

OP291GP ,Micropower Single-Supply Rail-to-Rail Input/Output Op AmpsCHARACTERISTICSOutput Voltage High V R = 100 kΩ to GND 4.95 4.99 VOH L–40°C to +125°C 4.90 4.98 VR ..
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OP291GP
Micropower Single-Supply Rail-to-Rail Input/Output Op Amps
REV.0
GENERAL DESCRIPTION
The OP191, OP291 and OP491 are single, dual and quad
micropower, single-supply, 3 MHz bandwidth amplifiers fea-
turing rail-to-rail inputs and outputs. All are guaranteed to
operatefroma 3voltsinglesupply as well as ±5 volt dual
supplies.
Fabricated on Analog Devices’ CBCMOS process, the OP191
family has a unique input stage that allows the input voltage to
safely extend 10 volts beyond either supply without any phase
inversion or latch-up. The output voltage swings to within
millivolts of the supplies and continues to sink or source
current all the way to the supplies.
Applications for these amplifiers include portable telecom
equipment, power supply control and protection, and interface
for transducers with wide output ranges. Sensors requiring a
rail-to-rail input amplifier include Hall effect, piezo electric,
and resistive transducers.
The ability to swing rail-to-rail at both the input and output
enables designers to build multistage filters in single-supply
systems and maintain high signal-to-noise ratios.
The OP191/OP291/OP491 are specified over the extended
industrial (–40°C to +125°C) temperature range. The OP191
single and OP291 dual amplifiers are available in 8-pin plastic
DIPs and SO surface mount packages. The OP491 quad is
available in 14-pin DIPs and narrow 14-pin SO packages.
Consult factory for OP491 TSSOP availability.
Micropower Single-Supply
Rail-to-Rail Input/Output Op Amps
OP191/OP291/OP491 PIN CONFIGURATIONS
8-Lead Narrow-Body SO 8-Lead Epoxy DIP
(S Suffix) (P Suffix)
8-Lead Narrow-Body SO8-Lead Epoxy DIP
(S Suffix)(P Suffix)
+INBOUTA
–INA
+INA
OP291
14-Lead Epoxy DIP14-Lead SO
(P Suffix) (S Suffix)

14-Lead
TSSOP
(RU Suffix)
FEATURES
Single-Supply Operation: 2.7 V to 12 V
Wide Input Voltage Range
Rail-to-Rail Output Swing
Low Supply Current: 300 μA/Amp
Wide Bandwidth: 3 MHz
Slew Rate: 0.5 V/μs
Low Offset Voltage: 700 μV
No Phase Reversal
APPLICATIONS
Industrial Process Control
Battery Powered Instrumentation
Power Supply Control and Protection
Telecom
Remote Sensors
Low Voltage Strain Gage Amplifiers
DAC Output Amplifier
OP191/OP291/OP491–SPECIFICATIONS
ELECTRICAL SPECIFICATIONS
Specifications subject to change without notice.
(@ VS = +3.0 V, VCM = 0.1 V, VO = 1.4 V, TA = +25°C unless otherwise noted)
ELECTRICAL SPECIFICATIONS(@ VS = +5.0 V, VCM = 0.1 V, VO = 1.4 V, TA = +25°C unless otherwise noted)
NOTES
+5 V specifications are guaranteed by +3 V and ±5 V testing.
Specifications subject to change without notice.
OP191/OP291/OP491
OP191/OP291/OP491
ELECTRICAL SPECIFICATIONS(@ VO = ±5.0 V, –4.9 V ≤ VCM ≤ +4.9 V, TA = +25°C unless otherwise noted)
Specifications subject to change without notice.
INPUT
OUTPUT
ABSOLUTE MAXIMUM RATINGS1
SupplyVoltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+16V
Input Voltage . . . . . . . . . . . . . . . . . . . . . . . .GND to VS + 10 V
Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . .7 V
Output Short-Circuit Duration to GND . . . . . . . . . .Indefinite
Storage Temperature Range
P, S, RU Packages . . . . . . . . . . . . . . . . . . .–65°C to +150°C
Operating Temperature Range
OP191/OP291/OP491G . . . . . . . . . . . . . . .–40°C to +125°C
Junction Temperature Range
P, S, RU Packages . . . . . . . . . . . . . . . . . . .–65°C to +150°C
Lead Temperature Range (Soldering60sec) . . . . . . . .+300°C
NOTESAbsolute maximum ratings apply to both DICE and packaged parts, unless
otherwise noted.θJA is specified for the worst case conditions; i.e., θJA is specified for device in socket
for P-DIP packages; θJA is specified for device soldered in circuit board for TSSOP
and SOIC packages.
WAFER TEST LIMITS
NOTE
Electrical tests and wafer probe to the limits shown. Due to variations in assembly methods and normal yield loss, yield after packaging is not guaranteed for standard
product dice. Consult factory to negotiate specifications based on dice lot qualifications through sample lot assembly and testing.
(@ VS = +3.0 V, VCM = 0.1 V, TA = +25°C unless otherwise noted)
ORDERING GUIDE87787
DICE CHARACTERISTICS11413876
Figure 3.OP291 Input Offset Volt-
age Drift Distribution, VS = +3 V
INPUT OFFSET CURRENT – nA
–1.8–40
Figure 6.
vs. Temperature, VS = +3 V
10010k100k1M10M
FREQUENCY – Hz
OPEN-LOOP GAIN – dB
Figure 9.Open-Loop Gain & Phase
vs. Frequency, VS = +3 V
OP191/OP291/OP491–Typical Performance Characteristics
Figure 2.OP291 Input Offset Voltage
Distribution, VS = +3 V
INPUT BIAS CURRENT – nA
TEMPERATURE – °C
12525–4085
Figure 5.
Temperature, VS = +3 V
OUTPUT SWING – Volts
TEMPERATURE – °C
2.95
Figure 8.Output Voltage Swing
vs. Temperature, VS = +3 V
INPUT OFFSET VOLTAGE – mV
UNITS
INPUT OFFSET VOLTAGE – µV/°C
UNITS
INPUT OFFSET VOLTAGE – mV
–0.12
Figure 10.Open-Loop Gain vs.
Temperature, VS = +3 V
–30
Figure 11.Closed-Loop Gain vs.
Frequency, VS = +3 V
10010k100k1M10M
FREQUENCY – Hz
PSRR – dB
Figure 14.PSRR vs. Frequency,
VS = +3 V
TEMPERATURE – °C
SUPPLY CURRENT/AMPLIFIER – mA
Figure 17.Supply Current vs.
Temperature, VS = +3 V, +5 V, ±5 V
TEMPERATURE – °C
–40
Figure 15.PSRR vs. Temperature,
VS = +3 V
FREQUENCY – kHz
MAXIMUM OUTPUT SWING – Volts
Figure 18.Maximum Output Swing
vs. Frequency, VS = +3 VCMRR vs. Temperature,
ture, VS = +3 V
Figure 19.Voltage Noise Density,
VS = +3V to ±5V, AVO = 1000
Temperature, VS = +5 V
INPUT BIAS CURRENT – nA
Figure 25.
Common-Mode Voltage,
VS = +5 V
TEMPERATURE – °C
OPEN-LOOP GAIN – V/mV
Figure 28.Open-Loop Gain vs.
Temperature, VS = +5 V
OP191/OP291/OP491–Typical Performance Characteristics
Figure 20.OP291 Input Offset Volt-
age Distribution, VS = +5 V
TEMPERATURE – °C
– nA
Figure 23.
Temperature, VS = +5 V
TEMPERATURE – °C
OUTPUT SWING – Volts
Figure 26.Output Voltage Swing vs.
Temperature, VS = +5 V
–0.2–40
Figure 24.
Temperature, VS = +5 V
–401k10k100k1M10M
OPEN-LOOP GAIN – dB
PHASE SHIFT – Degrees
FREQUENCY – Hz
Figure 27.Open-Loop Gain & Phase
vs.Frequency,VS = +5 V
INPUT OFFSET VOLTAGE – mV
UNITS
–.50–.30
CLOSED-LOOP GAIN – dB
Figure 29.
Frequency, VS = +5 V
10010k100k1M10M
PSRR – dB
FREQUENCY – Hz
–40
Figure 32.PSRR vs. Frequency,
VS = +5 V
TEMPERATURE – °C
125–40
Figure 35.Short Circuit Current vs.
Temperature, VS = +3 V, +5 V,±5V
125
Figure 33.OP291 Slew Rate vs.
Temperature, VS = +5 V2500
VOLTAGE – µV
VIN = 10Vp-p @ 1kHz
FREQUENCY – Hz
Figure 36.Channel Separation,=±5 V
Figure 34.OP491 Slew Rate vs.
Temperature, VS = +5 V
FREQUENCY – kHz
250100150507020030101.0
Figure 37.Maximum Output Swing
vs. Frequency, VS = +5 V
OP191/OP291/OP491–Typical Performance Characteristics
FREQUENCY – kHz
MAXIMUM OUTPUT SWING – Volts
250100150507020030101.0
Figure 38.Maximum Output Swing
vs. Frequency, VS
INPUT OFFSET CURRENT – nA
Figure 41.Input Offset Current vs.
Temperature, VS
–3010k10M1M100k
OPEN-LOOP GAIN – dB
PHASE SHIFT – Degrees
FREQUENCY – Hz
Figure 44.Open-Loop Gain&Phase
vs.Frequency, VS = ±5 V
INPUT OFFSET VOLTAGE – mV
TEMPERATURE – °C
0.10
Figure 39.Input Offset Voltage vs.
Temperature, VS
COMMON MODE INPUT VOLTAGE – Volts
INPUT BIAS CURRENT – nA–2–3–4–5
Figure 42.Input Bias Current vs.
Common-Mode Voltage, VS=±5V200
180
Figure 45.Open-Loop Gain vs.
Temperature, VS=±5V
Figure 40.Input Bias Current vs.
TEMPERATURE – °C
Temperature, VS=±5V
Figure 46.Closed-Loop Gain vs.
Frequency, VS=±5V

Partno	Mfg	Dc	Qty	Available	Descript
OP291GP	PMI	N/a	10	avai	Micropower Single-Supply Rail-to-Rail Input/Output Op Amps