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OP249 ,Dual, Precision JFET High Speed Operational AmplifierCHARACTERISTICS (@ V = 15 V, T = 25C, unless otherwise noted.)S A OP249GParameter Symb ..
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OP249AZ ,Dual, Precision JFET High Speed Operational AmplifierCHARACTERISTICS (@ V = 615 V, T = +258C, unless otherwise noted)S A OP249GParameter Sym ..
OP249FZ ,Dual, Precision JFET High Speed Operational AmplifierCHARACTERISTICS A grade unless otherwise noted)␣ OP249A OP249E OP249FParameter S ..
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OP249
Dual, Precision JFET High Speed Operational Amplifier
REV.E
Dual, Precision
JFET High-Speed Operational Amplifier
PIN CONNECTIONS
8-Lead Cerdip (Z Suffix),
8-Lead Plastic Mini-DIP
(P Suffix)
8-Lead SO
(S Suffix)
FEATURES
Fast Slew Rate:22 V/�s Typ
Settling Time (0.01%):1.2 �s Max
Offset Voltage:300 �V Max
High Open-Loop Gain:1000 V/mV Min
Low Total Harmonic Distortion:0.002% Typ
Improved Replacement for AD712, LT1057, OP215,
TL072, and MC34082
APPLICATIONS
Output Amplifier for Fast D/As
Signal Processing
Instrumentation Amplifiers
Fast Sample/Holds
Active Filters
Low Distortion Audio Amplifiers
Input Buffer for A/D Converters
Servo Controllers
GENERAL DESCRIPTIONThe OP249 is a high speed, precision dual JFET op amp, simi-
lar to the popular single op amp, the OP42. The OP249 outper-
forms available dual amplifiers by providing superior speed with
excellent dc performance. Ultrahigh open-loop gain (1 kV/mV
minimum), low offset voltage, and superb gain linearity makes
the OP249 the industry’s first true precision, dual high speed
amplifier.
With a slew rate of 22 V/µs typical and a fast settling time of less
than 1.2 µs maximum to 0.01%, the OP249 is an ideal choice
for high speed bipolar D/A and A/D converter applications. The
excellent dc performance of the OP249 allows the full accuracy
of high resolution CMOS D/As to be realized.
Symmetrical slew rate, even when driving large load, such as,
600 Ω or 200 pF of capacitance and ultralow distortion, make
the OP249 ideal for professional audio applications, active
filters, high speed integrators, servo systems, and buffer amplifiers.
The OP249 provides significant performance upgrades to the
TL072, AD712, OP215, MC34082, and the LT1057.
Figure 1.Fast Settling (0.01%)
Figure 2.Low Distortion AV = 1,
RL = 10 kΩ
Figure 3.Excellent Output Drive,
RL = 600 Ω
OP249–SPECIFICATIONS
ELECTRICAL CHARACTERISTICSNOTESLong-term offset voltage is guaranteed by a 1000 HR life test performed on three independent wafer lots at 125°C with LTPD of three.Guaranteed by CMR test.Guaranteed by design.Settling time is sample tested.
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICS
(@ VS = �15 V, TA = 25�C, unless otherwise noted.)
(@ VS = �15 V, TA = 25�C, unless otherwise noted.)
OP249Voltage Noise
Voltage Noise Density
Current Noise Density
NOTESGuaranteed by CMR test.Guaranteed by design.
Specifications subject to change without notice.
ELECTRICAL CHARACTERISTICSOffset Voltage Temperature
Input Bias Current
Input Offset Current
Input Voltage Range
Common-Mode Rejection
Short-Circuit Current Limit
NOTES
1TJ = 85°C for F Grades; TJ = 125°C for A Grade.Guaranteed by CMR test.
Specifications subject to change without notice.
(@ VS = �15 V, –40�C ≤ TA ≤ +85�C for F grades and –55�C ≤ TA ≤ +125�C for A grade
unless otherwise noted.)
ELECTRICAL CHARACTERISTICSOffset Voltage Temperature
Input Bias Current
Output Voltage Swing
Short-Circuit Current Limit
(@ VS = �15 V, –40�C ≤ TA ≤ +85�C for unless otherwise noted.)
OP249
ABSOLUTE MAXIMUM RATINGS1Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±18 V
Input Voltage2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±18 V
Differential Input Voltage2 . . . . . . . . . . . . . . . . . . . . . . . 36 V
Output Short-Circuit Duration . . . . . . . . . . . . . . . .Indefinite
Storage Temperature Range . . . . . . . . . . . . –65°C to +175°C
Operating Temperature Range
OP249A (Z) . . . . . . . . . . . . . . . . . . . . . . . –55°C to +125°C
OP249E, F (Z) . . . . . . . . . . . . . . . . . . . . . –40°C to +85°C
OP249G (P, S) . . . . . . . . . . . . . . . . . . . . . –40°C to +85°C
Junction Temperature
OP249 (Z) . . . . . . . . . . . . . . . . . . . . . . . . –65°C to +175°C
OP249 (P, S) . . . . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature Range (Soldering, 60 sec) . . . . . . . 300°C
ORDERING GUIDE*NOTES
*For availability and burn-in information on SO and PLCC packages, contact your local sales office.
For Military processed devices, please refer to the Standard Microcircuit Drawing (SMD) available at
www.dscc.dla.mil/programs/milspec/default.asp
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 OP249 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.
NOTES
1Absolute maximum ratings apply to packaged parts, unless otherwise noted.
2For supply voltages less than ±18 V, the absolute maximum input voltage is equal
to the supply voltage.
3θJA is specified for worst-case mounting conditions, i.e., θJA is specified for device
in socket for cerdip and P-DIP packages; θJA is specified for device soldered to
printed circuit board for SO package.
TPC 1.Open-Loop Gain, Phase vs.
Frequency
FREQUENCY – Hz
POWER SUPPLY REJECTION
dB
10k100k1M
10010TPC 4.Power Supply Rejection vs.
Frequency
CAPACITIVE LOAD – pF
SLEW RATE
V/100200300400500TPC 7.Slew Rate vs. Capacitive
Load
TEMPERATURE – �C
PHASE MARGIN
�C–75
GAIN BANDWIDTH PRODUCT
MHzTPC 2.Gain Bandwidth Product,
Phase Margin vs. Temperature
TEMPERATURE – �C
SLEW RATE
V/
–50–250255075100125TPC 5.Slew Rate vs. Temperature
TPC 8.Settling Time vs. Step Size
TPC 3.Common-Mode Rejection vs.
Frequency
DIFFERENTIAL INPUT VOLTAGE – Volts
SLEW RATE
V/0.20.40.60.81.0TPC 6.Slew Rate vs. Differential
Input Voltage
TPC 9.Voltage Noise Density vs.
Frequency
