LM101AQML LM101AQML Operational Amplifiers Literature Number: SNOSAI0 LM101AQML Operational Amplifiers overcompensated for increased stability margin. Or the compensation can be optimized to give more than a factor of ten improvement in high frequency performance for most applications. In addition, the device provides better accuracy and lower noise in high impedance circuitry. The low input currents also make it particularly well suited for long interval integrators or timers, sample and hold circuits and low frequency waveform generators. Further, replacing circuits where matched transistor pairs buffer the inputs of conventional IC op amps, it can give lower offset voltage and a drift at a lower cost. General Description The LM101A is a general purpose operational amplifier which features improved performance over industry standards such as the LM709. Advanced processing techniques make possible an order of magnitude reduction in input currents, and a redesign of the biasing circuitry reduces the temperature drift of input current. Improved specifications include: * Offset voltage 3 mV maximum over temperature * Input current 100 nA maximum over temperature * Offset current 20 nA maximum over temperature * Guaranteed drift characteristics * Offsets guaranteed over entire common mode and supply voltage ranges * Slew rate of 10V/s as a summing amplifier This amplifier offers many features which make its application nearly foolproof: overload protection on the input and output, no latch-up when the common mode range is exceeded, and freedom from oscillations and compensation with a single 30 pF capacitor. It has advantages over internally compensated amplifiers in that the frequency compensation can be tailored to the particular application. For example, in low frequency circuits it can be Features Available with radiation guarantee Offset voltage 3 mV maximum over temperature Input current 100 nA maximum over temperature Offset current 20 nA maximum over temperature Guaranteed drift characteristics Offsets guaranteed over entire common mode and supply voltage ranges n Slew rate of 10 V/S as a summing amplifier n n n n n n Ordering Information NS Part Number SMD Part Number NS Package Number Package Description LM101AH/883 H08C 8LD Metal Can LM101AJ/883 J08A 8LD CERDIP LM101AW/883 W10A 10LD CERPACK LM101AH-QMLV 5962-9951501VGA H08C 8LD Metal Can LM101AHLQMLV 5962L9951501VGA 50k rd(Si) H08C 8LD Metal Can LM101AHRQMLV 5962R9951501VGA 100k rd(Si) H08C 8LD Metal Can LM101AJLQMLV 5962L9951501VPA 50k rd(Si) J08A 8LD CERDIP LM101AJ-QMLV 5962-9951501VPA J08A 8LD CERDIP LM101AW-QMLV 5962-9951501VHA W10A 10LD CERPACK LM101AWLQMLV 5962L9951501VHA 50k rd(Si) W10A 10LD CERPACK (c) 2006 National Semiconductor Corporation DS201223 www.national.com LM101AQML Operational Amplifiers January 2006 LM101AQML Schematic (Note 11) 20122301 Connection Diagrams (Top View) Metal Can Package (Top View) Dual-In-Line Package 20122304 See NS Package Number J08A 20122302 See NS Package Number H08C Note: Pin 4 connected to case. www.national.com 2 LM101AQML Connection Diagrams (Continued) (Top View) Ceramic Flatpack Package 20122340 See NS Package Number W10A Fast AC/DC Converter 20122333 Note 1: Feedforward compensation can be used to make a fast full wave rectifier without a filter. 3 www.national.com LM101AQML Absolute Maximum Ratings (Note 2) 22V 30V 15V Supply Voltage Differential Input Voltage Input Voltage (Note 3) Output Short Circuit Duration Continuous -55C TA +125C Operating Ambient Temp. Range TJ Max 150C Power Dissipation at TA = 25C (Note 4) H-Package (Still Air) 750 mW (500 LF / Min Air Flow) 1200 mW J-Package (Still Air) 1000 mW (500 LF / Min Air Flow) 1500 mW W-Package (Still Air) 500mW (500 LF / Min Air Flow) 800mW Thermal Resistance JA H-Package (Still Air) 165C/W (500 LF / Min Air Flow) 89C/W J-Package (Still Air) 128C/W (500 LF / Min Air Flow) 75C/W W-Package (Still Air) 233C/W (500 LF / Min Air Flow) 155C/W JC (Typical) H-Package 39C/W J-Package 26C/W W-Package 26C/W -65C TA +150C Storage Temperature Range Lead Temperature (Soldering, 10 sec.) 300C ESD Tolerance (Note 5) 3000V www.national.com 4 LM101AQML Quality Conformance Inspection Mil-Std-883, Method 5005 - Group A Subgroup Description Temp (C) 1 Static tests at 25 2 Static tests at 125 3 Static tests at -55 4 Dynamic tests at 25 5 Dynamic tests at 125 6 Dynamic tests at -55 7 Functional tests at 25 8A Functional tests at 125 8B Functional tests at -55 9 Switching tests at 25 10 Switching tests at 125 11 Switching tests at -55 LM101A 883 Electrical Characteristics DC Parameters The following conditions apply to all parameters, unless otherwise specified VCC = 20V, VCM= 0V Symbol Parameter Conditions VIO Input Offset Voltage VCM = -15V, RS = 50 Notes VCM = 15V, RS = 50 RS = 50 VCC = 5V, RS = 50 IIO Input Offset Current VCM = -15V VCM = 15V VCC = 5V IIB Input Bias Current VCM = -15V VCM = 15V VCC = 5V Subgroups Min Max 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 -10 10 nA 1 -20 20 nA 2, 3 -10 10 nA 1 -20 20 nA 2, 3 -10 10 nA 1 -20 20 nA 2, 3 -10 10 nA 1 -20 20 nA 2, 3 1.0 75 nA 1 1.0 100 nA 2, 3 1.0 75 nA 1 1.0 100 nA 2, 3 1.0 75 nA 1 1.0 100 nA 2, 3 1.0 75 nA 1 1.0 100 nA 2, 3 PSRR+ Power Supply Rejection Ratio +VCC = +20V and +5V, -VCC=-20V, RS=50 80 dB 1, 2, 3 PSRR- Power Supply Rejection Ratio +VCC = +20V, -VCC= -20V and -5V, RS=50 80 dB 1, 2, 3 CMRR Common Mode Rejection Ratio -15V VCM 15V, RS = 50 80 dB 1, 2, 3 5 www.national.com LM101AQML LM101A 883 Electrical Characteristics (Continued) DC Parameters (Continued) The following conditions apply to all parameters, unless otherwise specified VCC = 20V, VCM= 0V Symbol Parameter ICC Supply Current +VIO Adj Conditions Notes Input Offset Voltage Adjust Min Max Units Subgroups 3.0 mA 1 2.5 mA 2 3.5 mA 3 mV 1, 2, 3 1, 2, 3 4.0 -VIO Adj Input Offset Voltage Adjust -4.0 mV +IOS Short Circuit Current -45 -7.0 mA 1, 2, 3 -IOS Short Circuit Current 7.0 45 mA 1, 2, 3 VI Input Voltage Range VCC = 20V -15 15 V 1, 2, 3 +AVS Large Signal Gain VCC = 15V, RS = 0, RL=2K, VO =10V 50 V/mV 4 25 V/mV 5, 6 VCC = 15V, RS = 0, RL=2K, VO =-10V 50 V/mV 4 5, 6 -AVS Large Signal Gain RI Input Resistance +VOP -VOP Output Voltage Swing Output Voltage Swing (Note 6) 25 V/mV (Note 7) 1.5 M 4 (Note 7) 0.5 M 5, 6 RL = 10K 16 V 4, 5, 6 RL = 2K 15 V 4, 5, 6 RL = 10K, VCC = 15V 12 V 4, 5, 6 RL = 2K, VCC = 15V 10 V 4, 5, 6 RL = 10K -16 V 4, 5, 6 RL = 2K -15 V 4, 5, 6 RL = 10K, VCC = 15V -12 V 4, 5, 6 -10 V 4, 5, 6 Max Units Subgroups 0.2 V/S 7 RL = 2K, VCC = 15V AC Parameters The following conditions apply to all parameters, unless otherwise specified VCC = 20V, RL = 2K, AV = 1 Symbol Parameter Conditions +SR Slew Rate VI = -5V to 5V -SR Slew Rate VI = 5V to -5V 0.2 V/S 7 GBW Gain Bandwidth VI = 50mVRMS, f = 20KHz 0.25 MHz 7 www.national.com Notes 6 Min LM101AQML LM101A QML & RH Electrical Characteristics DC Parameters (Note 10) The following conditions apply to all parameters, unless otherwise specified VCC = 20V, VCM = 0V, RS = 50 Symbol Parameter Conditions VIO Input Offset Voltage Notes Max Units +VCC = 35V, -VCC = -5V, VCM = -15V -2.0 +2.0 mV 1 -3.0 +3.0 mV 2, 3 +VCC = 5V, -VCC = -35V, VCM = +15V -2.0 +2.0 mV 1 -3.0 +3.0 mV 2, 3 VCM = 0V IIO IIB Input Offset Current Input Bias Current -2.0 +2.0 mV 1 -3.0 +3.0 mV 2, 3 +VCC = 5V, -VCC = -5V, VCM = 0V -2.0 +2.0 mV 1 -3.0 +3.0 mV 2, 3 +VCC = 35V, -VCC = -5V, VCM = -15V, RS = 100K -10 +10 nA 1, 2 -20 +20 nA 3 +VCC = 5V, -VCC = -35V, VCM = +15V, RS = 100K -10 +10 nA 1, 2 -20 +20 nA 3 VCM = 0V, RS = 100K -10 +10 nA 1, 2 -20 +20 nA 3 +VCC = 5V, -VCC = -5V, VCM = 0V, RS = 100K -10 +10 nA 1, 2 -20 +20 nA 3 +VCC = 35V, -VCC = -5V, VCM = -15V, RS = 100K -0.1 75 nA 1, 2 -0.1 100 nA 3 +VCC = 5V, -VCC = -35V, VCM = +15V, RS = 100K -0.1 75 nA 1, 2 -0.1 100 nA 3 VCM = 0V, RS = 100K -0.1 75 nA 1, 2 -0.1 100 nA 3 -0.1 75 nA 1, 2 -0.1 100 nA 3 +VCC = 5V, -VCC = -5V, VCM = 0V, RS = 100K +PSRR -PSRR Power Supply Rejection Ratio Power Supply Rejection Ratio Subgroups Min +VCC = 10V, -VCC = -20V +VCC = 20V, -VCC = -10V -50 +50 V/V 1 -100 +100 V/V 2, 3 -50 +50 V/V 1 -100 +100 V/V 2, 3 CMRR Common Mode Rejection Ratio VCC = 35V to 5V, VCM = 15V 80 dB 1, 2, 3 +VIO Adj Adjustment for Input Offset Voltage 4.0 mV 1, 2, 3 -VIO Adj Adjustment for Input Offset Voltage mV 1, 2, 3 +IOS Output Short Circuit Current +VCC = 15V, -VCC = -15V, t 25mS, VCM = -15V mA 1, 2, 3 -IOS Output Short Circuit Current +VCC = 15V, -VCC = -15V, t 25mS, VCM = +15V +60 mA 1, 2, 3 ICC Power Supply Current +VCC = 15V, -VCC = -15V 3.0 mA 1 2.32 mA 2 VIO/ T IIO / T -4.0 -60 3.5 mA 3 Temperature Coefficient of Input Offset Voltage -55C TA +25C (Note 8) -18 +18 V/C 2 +25C TA +125C (Note 8) -15 +15 uV/C 3 Temperature Coefficient of Input Offset Current -55C TA +25C (Note 8) -200 +200 pA/C 2 +25C TA +125C (Note 8) -100 +100 pA/C 3 7 www.national.com LM101AQML LM101A QML & RH Electrical Characteristics (Note 10) (Continued) DC Parameters (Continued) The following conditions apply to all parameters, unless otherwise specified VCC = 20V, VCM = 0V, RS = 50 Symbol Parameter Conditions -AVS Large Signal (Open Loop) Voltage Gain +AVS Large Signal (Open Loop) Voltage Gain Large Signal (Open Loop) Voltage Gain Subgroups V/mV 4 25 V/mV 5, 6 50 V/mV 4 V/mV 5, 6 Min RL = 2K, VO = -15V (Note 9) 50 (Note 9) RL = 10K, VO = -15V (Note 9) (Note 9) 25 RL = 2K, VO = +15V Max (Note 9) 50 V/mV 4 (Note 9) 25 V/mV 5, 6 (Note 9) 50 V/mV 4 (Note 9) 25 V/mV 5, 6 VCC = 5V,RL = 2K, VO = 2V (Note 9) 10 V/mV 4,5, 6 VCC = 5V, RL = 10K, VO = 2V (Note 9) 10 V/mV 4,5, 6 V 4,5, 6 V 4,5, 6 RL = 10K, VO = +15V AVS Units Notes +VOP Output Voltage Swing RL = 10K, VCM = -20V +16 RL = 2K, VCM = -20V +15 -VOP Output Voltage Swing RL = 10K, VCM = 20V -16 V 4,5, 6 RL = 2K, VCM = 20V -15 V 4,5, 6 Max Units Subgroups 0.3 V/S 7, 8A 0.2 V/S 8B 0.3 V/S 7, 8A 0.2 V/S 8B AC Parameters The following conditions apply to all parameters, unless otherwise specified VCC = 20V, VCM = 0V, RS = 50 Symbol Parameter Conditions +SR Slew Rate AV = 1, VI = -5V to +5V -SR Slew Rate Notes AV = 1, VI = +5V to -5V Min TRTR Rise Time AV = 1, VI = 50mV 800 nS 7, 8A, 8B TROS Overshoot AV = 1, VI = 50mV 25 % 7 35 % 8A, 8B NIBB Noise Broadband BW = 10Hz to 5KHz, RS = 0 15 VRMS 7 NIPC Noise Popcorn BW = 10Hz to 5KHz, RS = 100K 80 VPK 7 Min Max Units Subgroups DC Parameters Drift Values The following conditions apply to all parameters, unless otherwise specified VCC = 20V, VCM = 0V, RS = 50 Delta calculations performed on QMLV devices at group B, Subgroup 5 only. Symbol Parameter Conditions VIO Input Offset Voltage VCM = 0V -0.5 0.5 mV 1 IIB Input Bias Current VCM = 0V, RS = 100K -7.5 7.5 nA 1 www.national.com Notes 8 Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating ratings indicate conditions for which the device is intended to be functional, but do no 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 3: For supply voltages less than 15V, the absolute maximum input voltage is equal to the supply voltage. Note 4: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature), JA (package junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is PDmax = (TJmax - TA) / JA or the number given in the Absolute Maximum Ratings, whichever is lower. Note 5: Human body model, 100 pF discharged through 1.5 k. Note 6: Parameter guaranteed by the input conditions of several DC parameters Note 7: Parameter guaranteed, not tested. Note 8: Calculated parameter Note 9: Datalog reading of K = V/mV. Note 10: Pre and post irradiation limits are identical to those listed under AC and DC electrical characteristics. 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 Note 11: Pin connections shown are for 8-pin packages. 9 www.national.com LM101AQML Notes LM101AQML Typical Performance Characteristics LM101A Input Voltage Range Output Swing 20122342 20122341 Voltage Gain 20122343 Supply Current Voltage Gain 20122347 www.national.com 20122348 10 LM101A LM101AQML Typical Performance Characteristics (Continued) Input Current, LM101A Maximum Power Dissipation 20122349 20122350 Current Limiting Input Noise Voltage 20122351 20122352 Input Noise Current Common Mode Rejection 20122353 20122354 11 www.national.com LM101AQML Typical Performance Characteristics LM101A (Continued) Closed Loop Output Impedance Power Supply Rejection 20122355 20122356 www.national.com 12 (Note 11) Single Pole Compensation Two Pole Compensation 20122308 20122312 CS= 30 pF CS= 30 pF C2 = 10 C1 Open Loop Frequency Response Feedforward Compensation 20122316 20122309 fo= 3 MHz Open Loop Frequency Response Open Loop Frequency Response 20122317 20122313 13 www.national.com LM101AQML Typical Performance Characteristics for Various Compensation Circuits LM101AQML Typical Performance Characteristics for Various Compensation Circuits (Note 11) (Continued) Large Signal Frequency Response Large Signal Frequency Response 20122314 20122310 Large Signal Frequency Response Voltage Follower Pulse Response 20122318 20122311 Voltage Follower Pulse Response Inverter Pulse Response 20122315 www.national.com 20122319 14 (Note 11) LM101AQML Typical Applications Inverting Amplifier with Balancing Circuit Variable Capacitance Multiplier 20122320 20122323 May be zero or equal to parallel combination of R1 and R2 for minimum Simulated Inductor offset. Sine Wave Oscillator 20122321 L . R1 R2 C1 RS = R2 RP = R1 Fast Inverting Amplifier with High Input Impedance 20122324 fo = 10 kHz Integrator with Bias Current Compensation 20122322 20122325 *Adjust for zero integrator drift. Current drift typically 0.1 nA/C over -55C to +125C temperature range. 15 www.national.com LM101AQML Application Hints (Note 11) Protecting Against Gross Fault Conditions 20122326 *Protects input Protects output Protects output -- not needed when R4 is used. Compensating for Stray Input Capacitances or Large Feedback Resistor 20122327 Isolating Large Capacitive Loads 20122328 www.national.com 16 Typical Applications LM101AQML Although the LM101A is designed for trouble free operation, experience has indicated that it is wise to observe certain precautions given below to protect the devices from abnormal operating conditions. It might be pointed out that the advice given here is applicable to practically any IC op amp, although the exact reason why may differ with different devices. (Note 11) Standard Compensation and Offset Balancing Circuit When driving either input from a low-impedance source, a limiting resistor should be placed in series with the input lead to limit the peak instantaneous output current of the source to something less than 100 mA. This is especially important when the inputs go outside a piece of equipment where they could accidentally be connected to high voltage sources. Large capacitors on the input (greater than 0.1 F) should be treated as a low source impedance and isolated with a resistor. Low impedance sources do not cause a problem unless their output voltage exceeds the supply voltage. However, the supplies go to zero when they are turned off, so the isolation is usually needed. The output circuitry is protected against damage from shorts to ground. However, when the amplifier output is connected to a test point, it should be isolated by a limiting resistor, as test points frequently get shorted to bad places. Further, when the amplifer drives a load external to the equipment, it is also advisable to use some sort of limiting resistance to preclude mishaps. Precautions should be taken to insure that the power supplies for the integrated circuit never become reversed -- even under transient conditions. With reverse voltages greater than 1V, the IC will conduct excessive current, fusing internal aluminum interconnects. If there is a possibility of this happening, clamp diodes with a high peak current rating should be installed on the supply lines. Reversal of the voltage between V+ and V- will always cause a problem, although reversals with respect to ground may also give difficulties in many circuits. The minimum values given for the frequency compensation capacitor are stable only for source resistances less than 10 k, stray capacitances on the summing junction less than 5 pF and capacitive loads smaller than 100 pF. If any of these conditions are not met, it becomes necessary to overcompensate the amplifier with a larger compensation capacitor. Alternately, lead capacitors can be used in the feedback network to negate the effect of stray capacitance and large feedback resistors or an RC network can be added to isolate capacitive loads. Although the LM101A is relatively unaffected by supply bypassing, this cannot be ignored altogether. Generally it is necessary to bypass the supplies to ground at least once on every circuit card, and more bypass points may be required if more than five amplifiers are used. When feed-forward compensation is employed, however, it is advisable to bypass the supply leads of each amplifier with low inductance capacitors because of the higher frequencies involved. 20122329 Fast Voltage Follower 20122331 Power Bandwidth: 15 kHz Slew Rate: 1V/s Fast Summing Amplifier 20122330 Power Bandwidth: 250 kHz Small Signal Bandwiidth: 3.5 MHz Slew Rate: 10V/s 17 www.national.com LM101AQML Typical Applications (Note 11) (Continued) Bilateral Current Source 20122332 R3 = R4 + R5 R1 = R2 Fast AC/DC Converter (Note 12) 20122333 Note 12: Feedforward compensation can be used to make a fast full wave rectifier without a filter. www.national.com 18 LM101AQML Typical Applications (Note 11) (Continued) Instrumentation Amplifier 20122334 R1 = R4; R2 = R3 *, Matching determines CMRR. Voltage Comparator for Driving RTL Logic or High Current Driver Integrator with Bias Current Compensation 20122337 20122335 *Adjust for zero integrator drift. Current drift typically 0.1 nA/C over 0C to +70C temperature range. 19 www.national.com LM101AQML Typical Applications (Note 11) (Continued) Low Frequency Square Wave Generator 20122336 Voltage Comparator for Driving DTL or TTL Integrated Circuits Low Drift Sample and Hold 20122339 20122338 *Polycarbonate-dielectric capacitor www.national.com 20 Date Released 01/05/06 Revision A Section Originator Changes New Release to corporate format L. Lytle 2 MDS datasheets converted into one Corp. datasheet format. MNLM101A-X Rev 0A0 and MRLM101A-X-RH rev 1C2 MDS datasheets will be archived. 21 www.national.com LM101AQML Revision History Section LM101AQML Physical Dimensions inches (millimeters) unless otherwise noted Metal Can Package (H) NS Package Number H08C Ceramic Dual-In-Line Package (J) NS Package Number J08A www.national.com 22 LM101AQML 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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