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OP747ARU
Precision Micropower Single-Supply Operational Amplifiers
REV.C
FEATURES
Low Offset Voltage: 100 �V Max
Low Input Bias Current: 10nA Max
Single-Supply Operation: 2.7 V to 30 V
Dual-Supply Operation: �1.35 V to �15 V
Low Supply Current: 300�A/Amp Max
Unity Gain Stable
No Phase Reversal
APPLICATIONS
Current Sensing (Shunt)
Line or Battery-Powered Instrumentation
Remote Sensors
Precision Filters
OP727 SOIC Pin-Compatible with LT1013
GENERAL DESCRIPTIONThe OP777, OP727, and OP747 are precision single, dual,
and quad rail-to-rail output single-supply amplifiers featuring
micropower operation and rail-to-rail output ranges. These
amplifiers provide improved performance over the industry-standard
OP07 with ±15 V supplies, and offer the further advantage of true
single-supply operation down to 2.7 V, and smaller package
options than any other high-voltage precision bipolar amplifier.
Outputs are stable with capacitive loads of over 500 pF. Supply
current is less than 300 µA per amplifier at 5 V. 500 Ω series resis-
tors protect the inputs, allowing input signal levels several volts above
the positive supply without phase reversal.
Applications for these amplifiers include both line-powered and
portable instrumentation, remote sensor signal conditioning, and
precision filters.
The OP777, OP727, and OP747 are specified over the extended
industrial (–40°C to +85°C) temperature range. The OP777,
single, is available in 8-lead MSOP and 8-lead SOIC packages.
The OP747, quad, is available in 14-lead TSSOP and narrow
14-lead SO packages. Surface-mount devices in TSSOP and MSOP
packages are available in tape and reel only.
The OP727, dual, is available in 8-lead TSSOP and 8-lead
SOIC packages. The OP727 8-lead SOIC pin configuration
differs from the standard 8-lead operational amplifier pinout.
FUNCTIONAL BLOCK DIAGRAMS
8-Lead MSOP
(RM-8)
8-Lead SOIC
(R-8)
8-Lead TSSOP
(RU-8)
14-Lead SOIC
(R-14)
14-Lead TSSOP
(RU-14)
Precision Micropower
Single-Supply Operational Amplifiers
8-Lead SOIC
(R-8)
OP777/OP727/OP747–SPECIFICATIONS
ELECTRICAL CHARACTERISTICSPOWER SUPPLY
NOISE PERFORMANCE
NOTES
Typical specifications: >50% of units perform equal to or better than the “typical” value.
Specifications subject to change without notice.
(@ VS = 5.0 V, VCM = 2.5 V, TA = 25�C unless otherwise noted.)
OP777/OP727/OP747
ELECTRICAL CHARACTERISTICSDYNAMIC PERFORMANCE
NOISE PERFORMANCE
Specifications subject to change without notice.
(@ �15 V, VCM = 0 V, TA = 25�C unless otherwise noted.)
OP777/OP727/OP747
ABSOLUTE MAXIMUM RATINGS1, 2Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 V
Input Voltage . . . . . . . . . . . . . . . . . . . . –VS – 5 V to +VS + 5 V
Differential Input Voltage . . . . . . . . . . . . . . ± Supply Voltage
Output Short-Circuit Duration to GND . . . . . . . . . Indefinite
Storage Temperature Range
RM, R, RU Packages . . . . . . . . . . . . . . . . –65°C to +150°C
Operating Temperature Range
OP777/OP727/OP747 . . . . . . . . . . . . . . . –40°C to +85°C
Junction Temperature Range
RM, R, RU Packages . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature Range (Soldering, 60 sec) . . . . . . . 300°C
Electrostatic Discharge (Human Body Model) . . . .2000 V max
NOTESAbsolute maximum ratings apply at 25°C, unless otherwise noted.Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.θJA is specified for worst-case conditions, i.e., θJA is specified for device soldered in
circuit board for surface-mount packages.
ORDERING GUIDE
CAUTIONESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000V readily
accumulate on the human body and test equipment and can discharge without detection. Although
the OP777/OP727/OP747 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
TPC 1.OP777 Input Offset Voltage
Distribution
TCVOS – �V/�C
QUANTITY
Amplifiers
0.10.30.50.70.91.11.2TPC 4.OP727/OP747 Input Offset
Voltage Drift (TCVOS Distribution)
TPC 7. OP727 Input Offset Voltage
Distribution
TPC 2.OP777 Input Offset Voltage
Distribution
QUANTITY
Amplifiers
–120–80–4004080120TPC 5.OP747 Input Offset Voltage
Distribution
TPC 8. OP727 Input Offset Voltage
Distribution
INPUT OFFSET DRIFT – �V/�C
NUMBER OF AMPLIFIERS1.20.20.40.60.81.0TPC 3.OP777 Input Offset Voltage
Drift Distribution
OFFSET VOLTAGE – �V
NUMBER OF AMPLIFIERS
–120–80–4004080120TPC 6.OP747 Input Offset Voltage
Distribution
INPUT BIAS CURRENT – nA
NUMBER OF AMPLIFIERS384567TPC 9.Input Bias Current
Distribution
OP777/OP727/OP747
LOAD CURRENT – mA
OUTPUT VOLTAGE
mV
10k
0.1TPC 10.Output Voltage to Supply
Rail vs. Load Current
TPC 13.Supply Current vs.
Temperature
FREQUENCY – Hz
100100k100M1k10k1M10M
PHASE SHIFT
Degrees45
OPEN-LOOP GAIN
dB
140TPC 16.Open Loop Gain and
Phase Shift vs. Frequency
TPC 11.Output Voltage to Supply
Rail vs. Load Current
TPC 14.Supply Current vs. Supply
Voltage
CLOSED-LOOP GAIN
dB�40
�10
�20
�30
FREQUENCY –Hz10k100M100k1M10MTPC 17.Closed Loop Gain vs.
Frequency
TEMPERATURE –�C
INPUT BIAS CURRENT
nA�60�40
140�20
020406080100120TPC 12.Input Bias Current vs.
Temperature
TPC 15.Open Loop Gain and
Phase Shift vs. Frequency
TPC 18.Closed Loop Gain vs.
Frequency
FREQUENCY – Hz
OUTPUT IMPEDANCE
100100k100M1k10k1M10MTPC 19.Output Impedance vs.
Frequency
TPC 22.Large Signal Transient
Response
TPC 25.Small Signal Overshoot
vs. Load Capacitance
FREQUENCY – Hz
100100k100M1k10k1M10M
OUTPUT IMPEDANCE
120TPC 20.Output Impedance vs.
Frequency
TPC 23.Small Signal Transient
Response
TPC 26.Small Signal Overshoot
vs. Load Capacitance
TPC 21.Large Signal Transient
Response
TPC 24.Small Signal Transient
Response
TPC 27.Negative Overvoltage
Recovery
OP777/OP727/OP747TPC 28.Positive Overvoltage
Recovery
TPC 31.No Phase Reversal
FREQUENCY – Hz
PSRR
dB1010k10M
1001k100k1MTPC 34.PSRR vs. Frequency
TPC 29.Negative Overvoltage
Recovery
TPC 32.CMRR vs. Frequency
FREQUENCY – Hz
PSRR
dB1010k10M
1001k100k1MTPC 35.PSRR vs. Frequency
TPC 30.Positive Overvoltage
Recovery
FREQUENCY – Hz
CMRR
dB1010k10M
1001k100k1MTPC 33.CMRR vs. Frequency
TPC 36.0.1 Hz to 10 Hz Input
Voltage Noise
