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MICROCIRCUIT DATA SHEET MRLM108A-X-RH REV 1A0
Original Creation Date: 12/21/98 Last Update Date: 04/16/99 Last Major Revision Date: 04/06/99
OPERATIONAL AMPLIFIERS (SINGLE) GUARANTEED TO 100K RAD(Si) TESTED TO MIL-STD-883, METHOD 1019.5
General Description
The LM108A is a precision operational amplifier having specifications a factor of ten better than FET amplifiers over a -55 C to +125 C temperature range. The device operates with supply voltages from +2V to +20V and has sufficient supply rejection to use unregulated supplies. Although the circuit is interchangeable with and uses the same compensation as the LM101A, an alternate compensation scheme can be used to make it particularly insensitive to power supply noise and to make supply bypass capacitors unnecessary. The low current error of the LM108A makes possible many designs that are not practical with conventional amplifiers. In fact, it operates from 10M Ohms source resistances, introducing less error than devices like the 709 with 10K Ohms sources. Integrators with drifts less than 500 uV/sec and analog time delays in excess of one hour can be made using capacitors no larger than 1uF.
Industry Part Number
LM108A
NS Part Numbers
LM108AHRQML LM108AHRQMLV LM108AJ-8RQML LM108AJ-8RQMLV LM108AJRQML LM108AJRQMLV LM108AWGRQML LM108AWGRQMLV LM108AWRQML LM108AWRQMLV
Prime Die
LM108A
Controlling Document
SEE FEATURES SECTION
Processing
MIL-STD-883, Method 5004
Subgrp Description
1 2 3 4 5 6 7 8A 8B 9 10 11 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
Temp ( oC)
+25 +125 -55 +25 +125 -55 +25 +125 -55 +25 +125 -55
Quality Conformance Inspection
MIL-STD-883, Method 5005
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MRLM108A-X-RH REV 1A0
MICROCIRCUIT DATA SHEET
Features
CONTROLLING DOCUMENT: LM108AHRQML LM108AHRQMLV LM108AJ-8RQML LM108AJ-8RQMLV LM108AJRQML LM108AJRQMLV LM108AWGRQML LM108AWGRQMLV LM108AWRQML LM108AWRQMLV 5962R9863702QGA 5962R9863702VGA 5962R9863702QPA 5962R9863702VPA 5962R9863702QCA 5962R9863702VCA 5962R9863702QZA 5962R9863702VZA 5962R9863702QHA 5962R9863702VHA
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MRLM108A-X-RH REV 1A0
MICROCIRCUIT DATA SHEET
(Absolute Maximum Ratings)
(Note 1) Supply Voltage +22V Power Dissipation (Note 2) METAL CAN CERDIP, 14 CERDIP, 8 CERPACK, 10 CERAMIC SOIC Differential Input (Note 3)
Lead Lead Lead Current
330mW 400mW 400mW 330mW 330mW
@ @ @ @ @
+125 +125 +125 +125 +125
C C C C C
+10mA Differential Input Voltage (Note 5) +30V Input Voltage (Note 4) +20V Output Short-Circuit Duration Continuous Operating Temperature Range -55 C to +125 C Storage Temperature Range -65 C to +150 C Thermal Resistance ThetaJA METAL CAN CERDIP, CERDIP, 14 Lead 8 Lead
CERPACK, 10 Lead CERAMIC SOIC
(Still Air) (500LF/Min Air (Still Air) (500LF/Min Air (Still Air) (500LF/Min Air (Still Air) (500LF/Min Air (Still Air) (500LF/Min Air
flow) flow) flow) flow) flow)
150 86 94 55 120 68 225 142 225 142 38 13 17 21 21
C/W C/W C/W C/W C/W C/W C/W C/W C/W C/W C/W C/W C/W C/W C/W
ThetaJC METAL CAN CERDIP, 14 Lead CERDIP, 8 Lead CERPACK, 10 Lead CERAMIC SOIC Package Weight (Typical) METAL CAN CERDIP, 14 Lead CERDIP, 8 Lead CERPACK, 10 Lead CERAMIC SOIC Maximum Junction Temperature Soldering Information (Soldering, 10 seconds) ESD Tolerance (Note 6)
990mg 2180mg 1090mg 225mg 210mg 175 C 300 C
2000V
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MRLM108A-X-RH REV 1A0
MICROCIRCUIT DATA SHEET
Note 1:
Note 2:
Note 3: Note 4: Note 5: Note 6:
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. The inputs are shunted with back-to-back diodes for overvoltage protection. Therefore, excessive current will flow if a differential input voltage in excess of 1V is applied between the inputs unless some limiting resistance is used. For supply voltages less than +20V, the absolute maximum input voltage is equal to the supply voltage. This rating is +1.0V unless resistances of 2K Ohms or greater are inserted in series with the inputs to limit current in the input shunt diodes to the maximum allowable value. Human body model, 1.5K Ohms in series with 100pF.
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MRLM108A-X-RH REV 1A0
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.) DC: +Vcc = +20V, Vcm = 0V, Rs = 50 Ohms SYMBOL Vio PARAMETER Input Offset Voltage CONDITIONS +Vcc = 35V, -Vcc = -5V, Vcm = -15V NOTES PINNAME MIN -0.5 -1 +Vcc = 5V, -Vcc = -35V, Vcm = 15V -0.5 -1 -0.5 -1 +Vcc = +5V, -Vcc = -5V -0.5 -1 Delta Vio/Delta T Iio Temperature Coeffient of Input Offset Voltage Input Offset Current 25 C < TA < +125 C 25 C < TA < -55 C +Vcc = 35V, -Vcc = -5V, Vcm = -15V 1 1 -5 -5 -0.2 -0.4 +Vcc = 5V, -Vcc = -35V, Vcm = 15V -0.2 -0.4 -0.2 -0.4 +Vcc = +5V, -Vcc = -5V -0.2 -0.4 Delta Iio/Delta T Temperature Coeffient of Input Offset Current 25 C < TA < +125 C 25 C < TA < -55 C 1 1 -2.5 -2.5 MAX 0.5 1 0.5 1 0.5 1 0.5 1 5 5 0.2 0.4 0.2 0.4 0.2 0.4 0.2 0.4 2.5 2.5 UNIT mV mV mV mV mV mV mV mV SUBGROUPS 1 2, 3 1 2, 3 1 2, 3 1 2, 3
uV/C 2 uV/C 3 nA nA nA nA nA nA nA nA 1 2, 3 1 2, 3 1 2, 3 1 2, 3
pA/C 2 pA/C 3
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MRLM108A-X-RH REV 1A0
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETERS(Continued)
(The following conditions apply to all the following parameters, unless otherwise specified.) DC: +Vcc = +20V, Vcm = 0V, Rs = 50 Ohms SYMBOL +Iib PARAMETER Input Bias Current CONDITIONS +Vcc = 35V, -Vcc = -5V, Vcm = -15V NOTES PINNAME MIN -0.1 -1 -0.1 +Vcc = 5V, -Vcc = -35V, Vcm = 15V -0.1 -1 -0.1 -0.1 -1 -0.1 +Vcc = +5V, -Vcc = -5V -0.1 -1 -0.1 -Iib Input Bias Current +Vcc = 35V, -Vcc = -5V, Vcm = -15V -0.1 -1 -0.1 +Vcc = 5V, -Vcc = -35V, Vcm = 15V -0.1 -1 -0.1 -0.1 -1 -0.1 +Vcc = +5V, -Vcc = -5V -0.1 -1 -0.1 +PSRR -PSRR CMRR Ios+ Power Supply Rejection Ratio Power Supply Rejection Ratio Common Mode Rejection Ratio Short Circuit Current +Vcc = 10V, -Vcc = -20V +Vcc = 20V, -Vcc = -10V Vcm = +15V +Vcc = +15V, -Vcc = -15V, t < 25mS -16 -16 96 -15 2 2 3 2 2 3 2 2 3 2 2 3 2 2 3 2 2 3 2 2 3 2 2 3 16 16 MAX UNIT nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA nA SUBGROUPS 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3
uV/V 1, 2, 3 uV/V 1, 2, 3 dB mA 1, 2, 3 1, 2, 3
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MRLM108A-X-RH REV 1A0
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETERS(Continued)
(The following conditions apply to all the following parameters, unless otherwise specified.) DC: +Vcc = +20V, Vcm = 0V, Rs = 50 Ohms SYMBOL IosIcc PARAMETER Short Circuit Current Power Supply Current CONDITIONS +Vcc = +15V, -Vcc = -15V, t < 25mS +Vcc = +15V, -Vcc = -15V NOTES PINNAME MIN MAX 15 0.6 0.8 UNIT mA mA mA SUBGROUPS 1, 2, 3 1, 2 3
AC/DC PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.) DC: +Vcc = +20V, Vcm = 0V, Rs = 50 Ohms AC: +Vcc = +20V, Vcm = 0V, Rs = 50 Ohms +Vop -Vop Avs+ Output Voltage Swing Output Voltage Swing Open Loop Voltage Gain Open Loop Voltage Gain Open Loop Voltage Gain Transient Response Rise Time Transient Response Overshoot Slew Rate Slew Rate Noise Broadband Noise Popcorn Rl = 10K Ohms Rl = 10K Ohms Rl = 10K Ohms, Vout = +15V 3 3 AvsRl = 10K Ohms, Vout = -15V 3 3 Avs TR(tr) +Vcc = +5V, Rl = 10K Ohms, Vout = +2V Rl = 10K Ohms, Cl = 100pF, f < 1KHz, Vin = +50mV Rl = 10K Ohms, Cl = 100pF, f < 1KHz, Vin = +50mV Av = 1, Vin = -5V to +5V Av = 1, Vin = +5V to -5V BW = 10Hz to 5KHz, Rs = 0 Ohms BW = 10Hz to 5KHz, Rs = 100K Ohms 2 2 3 4 80 40 80 40 20 1000 16 -16 V V 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 nS 9, 10, 11 9, 10, 11
TR(os)
4
50
%
Sr(+) Sr(-) NI(BB) NI(PC)
0.05 0.05 15 40
V/uS 9, 10, 11 V/uS 9, 10, 11 uVrms 9 uVpk 9
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MRLM108A-X-RH REV 1A0
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETERS: DRIFT VALUES
(The following conditions apply to all the following parameters, unless otherwise specified.) DC: +Vcc = +20V, Vcm = 0V, Rs = 50 Ohms. "Delta calculations performed on JAN S and QMLV devices at group B, subgroup 5 only". SYMBOL Vio +Iib -Iib PARAMETER Input Offset Voltage Input Bias Current Input Bias Current CONDITIONS NOTES PINNAME MIN -0.25 -0.5 -0.5 MAX 0.25 0.5 0.5 UNIT mV nA nA SUBGROUPS 1 1 1
DC/AC PARAMETERS: POST RADIATION LIMITS +25 C (SEE NOTE 5)
(The following conditions apply to all the following parameters, unless otherwise specified.) DC: +Vcc = +20V, Vcm = 0V, Rs = 50 Ohms. +Iib Input Bias Current +Vcc = 35V, -Vcc = -5V, Vcm = -15V +Vcc = 5V, -Vcc = -35V, Vcm = -15V 5 5 5 +Vcc = +5V, -Vcc = -5V -Iib Input Bias Current +Vcc = 35V, -Vcc = -5V, Vcm = -15V +Vcc = 5V, -Vcc = -35V, Vcm = -15V 5 5 5 5 +Vcc = +5V, -Vcc = -5V Iio Input Offset Current +Vcc = 35V, -Vcc = -5V, Vcm = -15V +Vcc = 5V, -Vcc = -35V, Vcm = -15V 5 5 5 5 +Vcc = +5V, -Vcc = -5V Note Note Note Note Note 1: 2: 3: 4: 5: 5 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 0.5 0.5 0.5 0.5 nA nA nA nA nA nA nA nA nA nA nA nA 1 1 1 1 1 1 1 1 1 1 1 1
Calculated parameter. Test on either A360, J273 AC or bench test. Datalog reading in K = V/mV. Bench test. Pre and post irradiation limits are identical to those listed under AC and DC electrical characteristics except as listed in the Post Radiation Limits Table. These parts may be dose rate sensitive in a space environment and demonstrate enhanced low dose rate effect. Radiation end point limits for the noted parameters are guaranteed only for the conditions as specified in MIL-STD-883, Method 1019.5.
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MRLM108A-X-RH REV 1A0
MICROCIRCUIT DATA SHEET
Graphics and Diagrams
GRAPHICS# H08CRF J08ARL J14ARH P000253A P000310A P000311A P000312A P000431A W10ARG WG10ARC DESCRIPTION METAL CAN (H), TO-99, 8LD, .200 DIA P.C. (P/P DWG) CERDIP (J), 8 LEAD (P/P DWG) CERDIP (J), 14 LEAD (P/P DWG) CERAMIC SOIC (WG), 10 LEAD (PINOUT) METAL CAN (H), TO-99, 8LD, .200 DIA P.C. (PINOUT) CERDIP (J), 14 LEAD (PINOUT) CERDIP (J), 8 LEAD (PINOUT) CERPACK (W), 10 LEAD (PINOUT) CERPACK (W), 10 LEAD (P/P DWG) CERAMIC SOIC (WG), 10 LEAD (P/P DWG)
See attached graphics following this page.
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N/C N/C ININ+ N/C
1 2 3 4 5
10 9 8 7 6
COMP 1 COMP 2 V+ OUTPUT V-
LM108AWG 10 - LEAD CERAMIC SOIC CONNECTION DIAGRAM TOP VIEW P000253A
MIL/AEROSPACE OPERATIONS 2900 SEMICONDUCTOR DRIVE SANTA CLARA, CA 95050
N

N

N

N

N/C N/C ININ+ N/C
1 2 3 4 5
10 9 8 7 6
COMP 1 COMP 2 V+ OUTPUT V-
LM108AW 10 - LEAD CERPACK CONNECTION DIAGRAM TOP VIEW P000431A
MIL/AEROSPACE OPERATIONS 2900 SEMICONDUCTOR DRIVE SANTA CLARA, CA 95050
N
MRLM108A-X-RH REV 1A0
MICROCIRCUIT DATA SHEET
Revision History
Rev
0A0 1A0
ECN #
Rel Date
Originator
Rose Malone Rose Malone
Changes
Initial MDS Release: MRLM108A-X-RH, Rev. 0A0 - Rad Hard Data Sheet. Update MDS: MRLM108A-X-RH, Rev. 0A0 to MRLM108A-X-RH, Rev. 1A0. Update Thermal Resistance - Cerpack (Still Air) from 150 C/W to 225 C/W, Electricals: DC and Drift Values and Post Radiation Section - Removed reference to Rs=5 Mohms from Iio, +Iib, -Iib. Correction made to correlate with test program.
M0003181 04/16/99 M0003364 04/16/99
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