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MICROCIRCUIT DATA SHEET MJLF412-X REV 0C1
Original Creation Date: 05/02/95 Last Update Date: 04/14/98 Last Major Revision Date: 05/02/95
LOW OFFSET, LOW DRIFT DUAL JFET INPUT OPERATIONAL AMPLIFIER
General Description
These devices are low cost, high speed, JFET input operational amplifiers with very low input offset voltage and guaranteed input offset voltage drift. They require low supply current yet maintain a large gain bandwidth product and fast slew rate. In addition, well matched high voltage JFET input devices provide very low input bias and offset currents. LF412 dual is pin compatible with the LM1558, allowing designers to immediately upgrade the overall performance of existing designs. These amplifiers may be used in applications such as high speed integrators, fast D/A converters, sample and hold circuits and many other circuits requiring low input offset voltage and drift, low input bias current, high input impedance, high slew rate and wide bandwidth.
Industry Part Number
LF412
NS Part Numbers
JL412BGA JL412BPA
Prime Die
LF412
Controlling Document
38510/11905
Processing
MIL-STD-883, Method 5004
Subgrp Description
1 2 3 4 5 6 7 8A 8B 9 10 11 12 Static tests at Static tests at Static tests at Dynamic tests at Dynamic tests at Dynamic tests at Functional tests at Functional tests at Functional tests at Switching tests at Switching tests at Switching tests at Settling time at
Temp ( oC)
+25 +125 -55 +25 +125 -55 +25 +125 -55 +25 +125 -55 +25
Quality Conformance Inspection
MIL-STD-883, Method 5005
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MJLF412-X REV 0C1
MICROCIRCUIT DATA SHEET
Features
Internally trimmed offset voltage 1mV (max) Input offset voltage drift 10uV/ C (max) Low input bias current 50pA Low input noise Current 0.01pA/Root Hz Wide gain bandwidth 3MHz (min) High slew rate 10V/uS (min) Low supply current 1.8mA/Amplifier High input impedance 10E12 Ohms Low total harmonic distortion AV=10, RL=10K, +0.02% Vo=20 Vp-p, BW=20 Hz - 20KHz - Low 1/f noise corner 50Hz - Fast settling time to 0.01% 2uS -
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MJLF412-X REV 0C1
MICROCIRCUIT DATA SHEET
(Absolute Maximum Ratings)
(Note 1) Supply Voltage +18V Differential Input Voltage +30V Input Voltage Range (Note 3) +15V Output Short Circuit Duration (Note 4) Continuous Power Dissipation (Note 2) H Package J Package Tjmax ThetaJA (Typical) METAL CAN (Still Air) (500 LF/Min Air Flow) CERDIP (Still Air) (500 LF/Min Air Flow) ThetaJC METAL CAN CERDIP Note 1:
800mW TBD 175 C
160 C/W 83 C/W 122 C/W 66 C/W 38 C/W 15 C/W
Note 2:
Note 3: Note 4:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics. may degrade when the device is not operated under the listed test conditions. The maximum power dissipation must be derated at elevated temperatures and is dictated by Tjmax (maximum junction temperature), ThetaJA (package junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is Pdmax = (Tjmax - TA)/ThetaJA or the number given in the Absolute Maximum Ratings, whichever is lower. Unless otherwise specified the absolute maximum negative input voltage is equal to the negative power supply voltage. Any of the amplifier outputs can be shorted to ground indefinitely, however, more than one should not be simultaneously shorted as the maximum junction temperature will be exceeded.
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MJLF412-X REV 0C1
MICROCIRCUIT DATA SHEET
Recommended Operating Conditions
Operating Temperature Range -55 C < TA < 125 C Supply Voltage Range +5V to +15V Storage Temperature Range -65 C < TA < 150 C Lead Temperature (Soldering, 10 seconds) ESD Tolerance (Note 1) 260 C
1700V Note 1: Human body model, 1.5K Ohms in series with 100pF
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MJLF412-X REV 0C1
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.) DC: +Vcc = +15V, Vcm = 0V SYMBOL Vio PARAMETER Input Offset Voltage CONDITIONS +Vcc = 26V, -Vcc = -4V, Vcm = -11V NOTES PINNAME MIN -5 -7 +Vcc = 4V, -Vcc = -26V, Vcm = 11V -5 -7 -5 -7 +Vcc = +5V +Vcc = +5V +Iib Input Bias Current +Vcc = 26V, -Vcc = -4V, Vcm = -11V -5 -7 -0.4 -10 -0.2 -10 +Vcc = 4V, -Vcc = -26V, Vcm = 11V -0.2 -10 -Iib Input Bias Current +Vcc = 26V, -Vcc = -4V, Vcm = -11V -0.4 -10 -0.2 -10 +Vcc = 4V, -Vcc = -26V, Vcm = 11V -0.2 -10 Iio Input Offset Current Power Supply Rejection Ratio Power Supply Rejection Ratio Input Voltage Common Mode Rejection Output Short Circuit Current Output Short Circuit Current +Vcc = 20V to 10V, -Vcc = -15V +Vcc = 15V, -Vcc = -20V to -10V Vcm = -11V to +11V -0.1 -20 +PSRR -PSRR CMR 80 80 80 5 7 5 7 5 7 5 7 0.2 50 0.2 50 1.2 70 0.2 50 0.2 50 1.2 70 0.1 20 MAX UNIT mV mV mV mV mV mV mV mV nA nA nA nA nA nA nA nA nA nA nA nA nA nA dB dB dB SUBGROUPS 1 2, 3 1 2, 3 1 2, 3 1 2, 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3 1, 2, 3
Ios(+) Ios(-)
t < 25mS t < 25mS
-80 80
mA mA
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MJLF412-X REV 0C1
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETERS(Continued)
(The following conditions apply to all the following parameters, unless otherwise specified.) DC: +Vcc = +15V, Vcm = 0V SYMBOL Icc PARAMETER Supply Current CONDITIONS NOTES PINNAME MIN 7 8 DELTA Vio/ DELTA T +Vop Input Offset Voltage Output Voltage Swing 25 C < TA < +125 C -55 C < TA < 25 C RL = 10K Ohms RL = 2K Ohms -Vop Output Voltage Swing RL = 10K Ohms RL = 2K Ohms AVSOpen Loop Voltage Gain Open Loop Voltage Gain Open Loop Voltage Gain RL = 2K Ohms, Vout = -10V 2 2 AVS+ RL = 2K Ohms, Vout = 10V 2 2 AVS RL = 10K Ohms, Vout = +2V, +Vcc = +5V 2 50 25 50 25 20 1 1 -30 -30 12 10 -12 -10 30 30 MAX UNIT mA mA SUBGROUPS 1, 2 3
uV/C 2 uV/C 3 V V V V 4, 5, 6 4, 5, 6 4, 5, 6 4, 5, 6
V/mV 4 V/mV 5, 6 V/mV 4 V/mV 5, 6 V/mV 4, 5, 6
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MJLF412-X REV 0C1
MICROCIRCUIT DATA SHEET
Electrical Characteristics
AC PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.) AC: +Vcc = +15V, Vcm = 0V SYMBOL TR(tr) PARAMETER Transient Response Rise Time Transient Response Rise Time Slew Rate CONDITIONS AV = 1, Vin = 50mV, CL = 100pF, RL = 2K Ohms AV = 1, Vin = 50mV, CL = 100pF, RL = 2K Ohms Vin = -5V to +5V NOTES 3 PINNAME MIN MAX 200 UNIT nS SUBGROUPS 7, 8A, 8B 7, 8A, 8B
TR(os)
3
40
%
SR+
7 5
V/uS 7 V/uS 8A, 8B V/uS 7 V/uS 8A, 8B 15 80 uVrms 7 uVpk 7 dB 1500 1500 nS nS 7 12 12
SR-
Slew Rate
Vin = +5V to -5V
7 5
NI(BB) NI(PC) CS tS(+) tS(-)
Noise Broadband Noise Popcorn Channel Separation Settling Time Settling Time
BW = 10Hz to 15KHz, RS = 0 Ohms BW = 10Hz to 15KHz, RS = 100K Ohms RL = 2K Ohms, Vin = +10V AV = 1 AV = 1
4 4 4 3 3 80
DC PARAMETERS: DRIFT VALUES
(The following conditions apply to all the following parameters, unless otherwise specified.) DC: +Vcc = +15V, Vcm = 0V. "Delta calculations performed at group B-5". Vio +Iib -Iib Input Offset Voltage Input Bias Current Input Bias Current Note Note Note Note 1: 2: 3: 4: Calculated parameter Datalog reading in K = V/mV. Bench test Test on either A360, J273 AC or bench test. -1 -0.1 -0.1 1 0.1 0.1 mV nA nA 1 1 1
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MJLF412-X REV 0C1
MICROCIRCUIT DATA SHEET
Graphics and Diagrams
GRAPHICS# 05487HRA3 05974HRA2 H08CRF J08ARL P000176A P000177A DESCRIPTION METAL CAN (H), TO-99, 8LD, .200 DIA P.C. (B/I CKT) CERDIP (J), 8 LEAD (B/I CKT) METAL CAN (H), TO-99, 8LD, .200 DIA P.C. (P/P DWG) CERDIP (J), 8 LEAD (P/P DWG) METAL CAN (H), 8 LEAD (PINOUT) CERDIP (J), 8 LEAD (PINOUT)
See attached graphics following this page.
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MJLF412-X REV 0C1
MICROCIRCUIT DATA SHEET
Revision History
Rev
0C1
ECN #
Rel Date
Originator
Barbara Lopez
Changes
Update MDS: MJLF412-X Rev. 0B0 to MJLF412-X Rev. 0C1. Updated graphics. Added thermal data. Added power dissipation and Absolute note. Deleted Rev. A for drawing number per Spec Control.
M0002838 04/14/98
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