LM108,LM108AQML LM108/LM108AQML Operational Amplifiers Literature Number: SNOSAH4A LM108/LM108AQML Operational Amplifiers General Description The LM108 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 devices operate with supply voltages from ± 2V to ± 20V and have 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. fact, it operates from 10 MΩ source resistances, introducing less error than devices like the 709 with 10 kΩ sources. Integrators with drifts less than 500 µV/sec and analog time delays in excess of one hour can be made using capacitors no larger than 1 µF. Features n n n n Maximum input bias current of 3.0 nA over temperature Offset current less than 400 pA over temperature Supply current of only 300 µA, even in saturation Guaranteed drift characteristics The low current error of the LM108 makes possible many designs that are not practical with conventional amplifiers. In Ordering Information NS PART NUMBER SMD PART NUMBER NS PACKAGE NUMBER PACKAGE DISCRIPTION LM108AH/883 H08C 8LD Metal Can LM108AJ-8/883 J08A 8LD CERDIP LM108AJ/883 J14A 14LD CERDIP LM108AWG/883 WG10A 10LD Ceramic SOIC LM108AHRQML 5962R9863702QGA 100k rd(Si) H08C 8LD Metal Can LM108AHRQMLV 5962R9863702VGA 100k rd(Si) H08C 8LD Metal Can LM108AJ-8RQMLV 5962R9863702VPA 100k rd(Si) J08A 8LD CERDIP LM108AJRQML 5962R9863702QCA 100k rd(Si) J14A 14LD CERDIP LM108AJRQMLV 5962R9863702VCA 100k rd(Si) J14A 14LD CERDIP LM108AWGRQML 5962R9863702QZA 100k rd(Si) WG10A 10LD Ceramic SOIC LM108AWGRQMLV 5962R9863702VZA 100k rd(Si) WG10A 10LD Ceramic SOIC LM108AWRQML 5962R9863702QHA 100k rd(Si) W10A 10LD CERPACK LM108AWRQMLV 5962R9863702VHA 100k rd(Si) W10A 10LD CERPACK H08C 8LD Metal Can LM108J/883 J14A 14LD CERDIP LM108J-8/883 J08A 8LD CERDIP LM108H/883 © 2005 National Semiconductor Corporation DS201206 www.national.com LM108/LM108AQML Operational Amplifiers December 2005 LM108/LM108AQML Connection Diagrams Metal Can Package 14 Lead Dual-In-Line Package 20120616 20120613 Top View See NS Package Number J14A *Package is connected to Pin 4 (V−) **Unused pin (no internal connection) to allow for input anti-leakage guard ring on printed circuit board layout. See NS Package Number H08C 8 Lead Dual-In-Line Package 10 Lead Flatpack/SOIC Package 20120617 Top View See NS Package Number W10A, WG10A 20120615 Top View See NS Package Number J08A www.national.com 2 LM108/LM108AQML Schematic Diagram 20120608 3 www.national.com LM108/LM108AQML Compensation Circuits Alternate Frequency Compensation (Note 1) Standard Compensation Circuit 20120601 20120602 **Bandwidth and slew rate are proportional to 1/CS CO = 30 pF **Bandwidth and slew rate are proportional to 1/Cf Note 1: Improves rejection of power supply noise by a factor of ten. Feedforward Compensation 20120603 www.national.com 4 Supply Voltage LM108RH LM108/LM108A ± 22V ± 20V Power Dissipation (Note 4) Metal Can 330mW @ +125˚C 8 LD CERDIP 14LD 400mW @ +125˚C CERDIP 8LD 400mW @ +125˚C CERPACK 330mW @ +125˚C 10LD Ceramic SOIC 330mW @ +125˚C 10 LD ± 10 mA ± 30V ± 20V Differential Input Current (Note 5) Differential Input Voltage(Note 7) Input Voltage (Note 6) Output Short-Circuit Duration Continuous Operating Temperature Range −55˚C ≤ TA ≤ +125˚C Storage Temperature Range −65˚C ≤ TA ≤ +150˚C N/A ± 15V Thermal Resistance θJA Metal Can 8 LD Still Air 500LF / Min Air Flow 150˚C/W 86˚C/W CERDIP 14LD Still Air 500LF / Min Air Flow 94˚C/W 55˚C/W CERDIP 8LD Still Air 500LF / Min Air Flow 120˚C/W 68˚C/W CERPACK 10LD Still Air 500LF / Min Air Flow 225˚C/W 142˚C/W Ceramic SOIC 10 LD Still Air 500LF / Min Air Flow 225˚C/W 142˚C/W θJC Metal Can 8 LD 38˚C/W CERDIP 14LD 13˚C/W CERDIP 8LD 17˚C/W CERPACK 10LD Ceramic SOIC 21˚C/W 10 LD 21˚C/W Package Weight (typical) Metal Can 8 LD 990mg CERDIP 14LD 2,180mg CERDIP 8LD 1,090mg CERPACK 10LD Ceramic SOIC 225mg 10 LD 210mg Maximum Junction Teperature 175˚C Lead Temperature (Soldering, 10 sec) 300˚C ESD Tolerance (Note 8) 2000V 5 150˚C www.national.com LM108/LM108AQML Absolute Maximum Ratings (Notes 2, 3) LM108/LM108AQML Quality Conformance Inspection Mil-Std-883, Method 5005 - Group A Subgroup Description Temp (˚C) 1 Static tests at +25˚C 2 Static tests at +125˚C 3 Static tests at −55˚C 4 Dynamic tests at +25˚C 5 Dynamic tests at +125˚C 6 Dynamic tests at −55˚C 7 Functional tests at +25˚C 8A Functional tests at +125˚C 8B Functional tests at −55˚C 9 Switching tests at +25˚C 10 Switching tests at +125˚C 11 Switching tests at −55˚C LM108 Electrical Characteristics DC Parameters The following conditions apply to all the following parameters, unless otherwise specified. VCC = ± 20V, VCM = 0V Symbol VIO Parameter Input Offset Voltage Conditions VCM = -15V VCM = 15V VCC = ± 5V IIO Input Offset Current VCM = -15V VCM = 15V VCC = ± 5V ± IIB Input Bias Current VCM = -15V VCM = 15V VCC = ± 5V PSRR Power Supply Rejection ± Ratio ± 20V < = Vcc < = ± 5V www.national.com 6 Notes Min Max Subgroups Units -2.0 2.0 mV 1 -3.0 3.0 mV 2, 3 -2.0 2.0 mV 1 -3.0 3.0 mV 2, 3 -2.0 2.0 mV 1 -3.0 3.0 mV 2, 3 -2.0 2,0 mV 1 -3.0 3.0 mV 2, 3 -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 -0.1 2.0 nA 1 -1.0 3.0 nA 2, −0.1 3.0 nA 3 -0.1 2.0 nA 1 -1.0 3.0 nA 2, −0.1 3.0 nA 3 -0.1 2.0 nA 1 -1.0 3.0 nA 2, −0.1 3.0 nA 3 -0.1 2.0 nA 1 -1.0 3.0 nA 2, −0.1 3.0 nA 3 dB 1, 2, 3 80 (Continued) DC Parameters (Continued) The following conditions apply to all the following parameters, unless otherwise specified. VCC = ± 20V, VCM = 0V Symbol Parameter Conditions Notes Min Max Subgroups Units CMRR Common Mode Rejection Ratio -15V < = VCM < = 15V +IOS Short Circuit Current VCC = ± 15V -30 -1.0 mA 1, 2, 3 -IOS Short Circuit Current VCC = ± 15V 1 30 mA 1, 2, 3 ICC Power Supply Current 0.6 mA 1 0.4 mA 2 0.8 mA 3 RIN Input Resistance VIN Input Voltage Range VCC = ± 15V 85 dB 1, 2, 3 (Note 13) 30 MΩ 1 (Note 12) 14 V 1, 2 V 1, 2 (Note 12) (Note 12) −14 13.5 (Note 12) (Note 12) V 3 −13.5 V 3 15 (Note 12) V −15 1, 2, 3 V 1, 2, 3 V 4, 5, 6 +VOP Output Voltage Swing VCC = ± 15V, RL = 10KΩ -VOP Output Voltage Swing VCC = ± 15V, RL = 10KΩ V 4, 5, 6 +AVS Open Loop Voltage Gain VCC = ± 15V, RL = 10KΩ, Vout = 0 to 10V (Note 10) 50 V/mV 4 (Note 10) 25 V/mV 5, 6 VCC = ± 15V, RL = 10KΩ Vout = 0 to -10V (Note 10) 50 V/mV 4 (Note 10) 25 V/mV 5, 6 -AVS Open Loop Voltage Gain 13 -13 AC Parameters The following conditions apply to all the following parameters, unless otherwise specified. VCC = ± 20V, VCM = 0V. Symbol Parameter Conditions Notes Min Max Units Subgroups TRTR Rise Time (Note 13) 1.0 µS 7 TROS Overshoot (Note 13) 30 % 7 7 www.national.com LM108/LM108AQML LM108 Electrical Characteristics LM108/LM108AQML LM108A Electrical Characteristics DC Parameters The following conditions apply to all the following parameters, unless otherwise specified. VCC = ± 20V, VCM = 0V Symbol VIO Parameter Input Offset Voltage Conditions Notes VCM = -15V Input Offset Current 0.5 mV 1 1.0 mV 2, 3 -0.5 0.5 mV 1 -1.0 1.0 mV 2, 3 -0.5 0.5 mV 1 -1.0 1.0 mV 2, 3 VCC = ± 5V -0.5 0.5 mV 1 -1.0 1.0 mV 2, 3 VCM = -15V -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 VCC = ± 5V Input Bias Current VCM = -15V VCM = 15V VCC = ± 5V ± 20V < = VCC < = ± 5V -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 -0.1 2.0 nA 1 -1.0 3.0 nA 2 -0.1 3.0 nA 3 -0.1 2.0 nA 1 -1.0 3.0 nA 2 -0.1 3.0 nA 3 -0.1 2.0 nA 1 -1.0 3.0 nA 2 -0.1 3.0 nA 3 -0.1 2.0 nA 1 -1.0 3.0 nA 2 -0.1 3.0 nA 3 PSRR Power Supply Rejection Ratio CMRR Common Mode Rejection Ratio -15V < = VCM < = 15V +IOS Short Circuit Current VCC = ± 15V -30 -IOS Short Circuit Current = ± 15V 1.0 ICC Power Supply Current RIN Input Resistance VIN Input Voltage Range VCC VCC = ± 15V 96 dB 1, 2, 3 96 dB 1, 2, 3 mA 1, 2, 3 1, 2, 3 1 0.4 mA 2 0.8 mA 3 30 MΩ 1 V 1, 2 V 1, 2 (Note 12) 8 mA mA 14 −14 13.5 (Note 12) www.national.com 30 0.6 (Note 13) (Note 12) Temperature Coefficient of Input Offset Voltage -1.0 (Note 12) (Note 12) Delta VIO / Delta T Subgroups Units -0.5 VCM = 15V ± IIB Max -1.0 VCM = 15V IIO Min V 3 −13.5 V 3 15 V 1, 2, 3 (Note 12) −15 V 1, 2, 3 (Note 13) 5.0 µV/˚C 1, 2, 3 (Continued) DC Parameters (Continued) The following conditions apply to all the following parameters, unless otherwise specified. VCC = ± 20V, VCM = 0V Symbol Parameter Delta I IO/ Delta T Temperature Coefficient of Input Offset Current Conditions Notes Min (Note 13) Max Subgroups Units 2.5 pA/˚C 1, 2, 3 V 4, 5, 6 -13 V 4, 5, 6 +VOP Output Voltage Swing VCC = ± 15V, RL = 10KΩ -VOP Output Voltage Swing VCC = ± 15V, RL = 10KΩ +AVS Open Loop Voltage Gain VCC = ± 15V, RL = 10KΩ, Vout = 0 to 10V (Note 10) 80 V/mV 4 (Note 10) 40 V/mV 5, 6 -AVS Open Loop Voltage Gain VCC = ± 15V, RL = 10KΩ, Vout = 0 to -10V (Note 10) 80 V/mV 4 (Note 10) 40 V/mV 5, 6 13 AC Parameters The following conditions apply to all the following parameters, unless otherwise specified. VCC = ± 20V, VCM = 0V Symbol TRTR Parameter Conditions Transient Response Rise Time Notes (Note 13) 9 Min Max 1.0 Subgroups Units µS 7 www.national.com LM108/LM108AQML LM108A Electrical Characteristics LM108/LM108AQML LM108A Rad Hard — Electrical Characteristics DC Parameters The following conditions apply to all the following parameters, unless otherwise specified. ± VCC = ± 20V, VCM = 0V, RS = 50Ω Symbol VIO Parameter Input Offset Voltage Conditions Notes Subgroups Min Max +VCC = 35V, -VCC = -5V, VCM = -15V -0.5 0.5 mV 1 -1.0 1.0 mV 2, 3 +VCC = 5V, -VCC = -35V, VCM = 15V -0.5 0.5 mV 1 -1.0 1.0 mV 2, 3 -0.5 0.5 mV 1 -1.0 1.0 mV 2, 3 -0.5 0.5 mV 1 +VCC = +5V, -VCC = -5V Units -1.0 1.0 mV 2, 3 Delta VIO / Delta T Temperature Coefficient of Input Offset Voltage 25˚C ≤ TA ≤ +125˚C (Note 9) -5.0 5.0 µV/˚C 2 -55˚C ≤ TA ≤ 25˚C (Note 9) -5.0 5.0 µV/˚C 3 IIO Input Offset Current +VCC = 35V, -VCC = -5V, VCM = -15V -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 +VCC = 5V, -VCC = -35V, VCM = 15V -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 -0.2 0.2 nA 1 -0.4 0.4 nA 2, 3 +VCC = +5V, -VCC = -5V Delta I IO/ Delta T Temperature Coefficient of Input Offset Current ± IIB Input Bias Current 25˚C ≤ TA ≤ +125˚C (Note 9) -2.5 2.5 pA/˚C 2 -55˚C ≤ TA ≤ 25˚C (Note 9) -2.5 2.5 pA/˚C 3 -0.1 2.0 nA 1 -1.0 2.0 nA 2 -0.1 3.0 nA 3 -0.1 2.0 nA 1 -1.0 2.0 nA 2 -0.1 3.0 nA 3 -0.1 2.0 nA 1 -1.0 2.0 nA 2 -0.1 3.0 nA 3 -0.1 2.0 nA 1 -1.0 2.0 nA 2 +VCC = 35V, -VCC = -5V, VCM = -15V +VCC = 5V, -VCC = -35V, VCM = 15V +VCC = +5V, -VCC = -5V -0.1 3.0 nA 3 +PSRR Power Supply Rejection Ratio +VCC = 10V, -VCC = -20V -16 16 µV/V 1, 2, 3 -PSRR Power Supply Rejection Ratio +VCC = 20V, -VCC = -10V -16 16 CMRR Common Mode Rejection Ratio VCM = ± 15V +IOS Short Circuit Current +VCC = +15V, -VCC = -15V, t ≤ 25mS -IOS Short Circuit Current +VCC = +15V, -VCC = -15V, t ≤ 25mS ICC Power Supply Current +VCC = +15V, -VCC = -15V +VOP Output Voltage Swing RL = 10KΩ -VOP Output Voltage Swing RL = 10KΩ +AVS Open Loop Voltage Gain RL = 10KΩ, Vout = +15V www.national.com µV/V 1, 2, 3 96 dB 1, 2, 3 -20 mA 1, 2, 3 20 mA 1, 2, 3 0.6 mA 1, 2 0.8 16 -16 10 mA 3 V 4, 5, 6 V 4, 5, 6 (Note 10) 80 V/mV 4 (Note 10) 40 V/mV 5, 6 (Continued) DC Parameters (Continued) The following conditions apply to all the following parameters, unless otherwise specified. ± VCC = ± 20V, VCM = 0V, RS = 50Ω Symbol Parameter Conditions -AVS Open Loop Voltage Gain RL = 10KΩ, Vout = -15V AVS Open Loop Voltage Gain ± VCC = ± 5V, RL = 10KΩ, Vout = ± 2V Notes Min Max Subgroups Units (Note 10) 80 V/mV 4 (Note 10) 40 V/mV 5, 6 (Note 10) 20 V/mV 4, 5, 6 Units Subgroups DC Drift Parameters The following conditions apply to all the following parameters, unless otherwise specified. ± VCC = ± 20V, VCM = 0V, RS = 50Ω Delta calculations performed on JAN S and QMLV devices at group B, subgroup 5 only. Symbol Parameter Conditions Notes Min Max VIO Input Offset Voltage -0.25 0.25 mV 1 ± IIB Input Bias Current -0.5 0.5 1 Min Max nA AC Parameters The following conditions apply to all the following parameters, unless otherwise specified. AC ± VCC = ± 20V, VCM = 0V, RS = 50Ω Symbol Parameter Conditions Notes RL = 10KΩ, CL = 100pF, f < 1KHz, Vin = +50mV TRTR Transient Response Rise Time TROS Transient Response Overshoot RL = 10KΩ, CL = 100pF, f < 1KHz, Vin = +50mV +SR Slew Rate AV = 1, VIN = -5V to +5V −SR Slew Rate AV = 1, VIN = +5V to -5V 1,000 nS 50 Subgroups Units 9, 10, 11 % 9, 10, 11 0.05 V/µS 9, 10, 11 0.05 V/µS 9, 10, 11 NIBB Noise Broadband BW = 10Hz to 5KHz, RS = 0 Ω 15 µVRMS 9 NIPC Noise Popcorn BW = 10Hz to 5KHz, RS= 100KΩ 40 µVPK 9 Post Radiation Parameters @ +25˚C (Note 11) The following conditions apply to all the following parameters, unless otherwise specified. DC: ± VCC = ± 20V, VCM = 0V, RS = 50Ω Symbol ± IIB Parameter Input Bias Current Conditions Notes Min Max Subgroups Units +VCC = 35V, -VCC = -5V, VCM = -15V (Note 11) 5.0 nA 1 +VCC = 5V, -VCC = -35V, VCM = -15V (Note 11) 5.0 nA 1 (Note 11) 5.0 nA 1 (Note 11) 5.0 nA 1 +VCC = +5V, -VCC = -5V 11 www.national.com LM108/LM108AQML LM108A Rad Hard — Electrical Characteristics LM108/LM108AQML LM108A Rad Hard — Electrical Characteristics (Continued) Post Radiation Parameters @ +25˚C (Note 11) (Continued) The following conditions apply to all the following parameters, unless otherwise specified. DC: ± VCC = ± 20V, VCM = 0V, RS = 50Ω Symbol IIO Parameter Input Offset Current Conditions +VCC = 35V, -VCC = -5V, VCM = -15V +VCC = 5V, -VCC = -35V, VCM = -15V +VCC = +5V, -VCC = -5V Notes (Note 11) Min Max 0.5 Subgroups Units nA 1 (Note 11) 0.5 nA 1 (Note 11) 0.5 nA 1 (Note 11) 0.5 nA 1 Note 2: Parameters have only been entered in the LM108 / LM108A column if different from LM108RH Note 3: 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. Note 4: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature), θJA (package junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is PDmax = (TJmax - TA) /θJA or the number given in the Absolute Maximum Ratings, whichever is lower. Note 5: The inputs are shunted with back-to-back diodes for over voltage 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. Note 6: For supply voltages less than ± 20V, the absolute maximum input voltage is equal to the supply voltage. Note 7: 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.. Note 8: Human body model, 1.5 kΩ in series with 100 pF. Note 9: Calculated parameter Note 10: Datalog reading in K = V/mV Note 11: 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. Note 12: Parameter tested Go-No-Go Note 13: Guaranteed parameter not tested. Note 14: Calculated parameter for Class “S” only www.national.com 12 LM108/LM108AQML Typical Performance Characteristics Input Currents Offset Error 20120618 20120619 Drift Error Input Noise Voltage 20120620 20120621 Closed Loop Output Impedance Power Supply Rejection 20120623 20120622 Voltage Gain Output Swing 20120624 20120625 13 www.national.com LM108/LM108AQML Typical Performance Characteristics (Continued) Open Loop Frequency Response Supply Current 20120626 20120627 Large Signal Frequency Response Voltage Follower Pulse Response 20120628 www.national.com 20120629 14 LM108/LM108AQML Typical Applications Sample and Hold 20120604 †Teflon polyethylene or polycarbonate dielectric capacitor Worst case drift less than 2.5 mV/sec High Speed Amplifier with Low Drift and Low Input Current 20120605 15 www.national.com LM108/LM108AQML Typical Applications (Continued) Fast Summing Amplifier (Note 15) 20120612 *In addition to increasing speed, the LM101A raises high and low frequency gain, increases output drive capability and eliminates thermal feedback. Note 15: Power Bandwidth: 250 KHz Small Signal Bandwidth: 3.5 MHz Slew Rate: 10V/µS www.national.com 16 Date Released Revision Section Originator Changes 03/23/05 A New release, corporate format. L. Lytle Ordering information table, Electrical sections for the LM108 and LM108A. 3 MDS data sheets converted into one Corp. datasheet format. MRLM108A-X-RH rev. 1A0, MNLM108A-X rev 1A1, MNLM108–X rev 0BL. Deleted following: NSID LM108AW/883 and LM108AJ-8RQML, no longer offered; from LM108 electrical’s Delta VIO/Delta T, Delta IIO/Delta T, Drift Parameters; from LM108A electrical’s Drift Parameters. Reason: referenced products are 883 only. 12/14/05 B Rad Hard Electricals, DC Parameters +IOS from -15 mA min to -20 mA min and -IOS from +15 mA max to +20 mA max. Reason: To reflect SMD update. Revision A will be archived. R. Malone 17 www.national.com LM108/LM108AQML Revision History LM108/LM108AQML Physical Dimensions inches (millimeters) unless otherwise noted Ceramic Dual-In-Line Package (J) NS Package Number J08A Ceramic Dual-In-Line Package (J) NS Package Number J14A www.national.com 18 LM108/LM108AQML Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Metal Can Package (H) NS Package Number H08C S.O. Package (WG) NS Package Number WG10A 19 www.national.com LM108/LM108AQML Operational Amplifiers Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Ceramic Flatpack Package (W) NS Package Number W10A National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. For the most current product information visit us at www.national.com. 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