LM101AJAN Operational Amplifiers tion. For example, in low frequency circuits it can be 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 applica- Features 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 Ordering Information NS Part Number JL101ABGA SMD Part Number NS Package Number JM38510/10103BGA H08C Package Description 8LD Metal Can JL101ABPA JM38510/10103BPA J08A 8LD CERDIP JL101ABHA JM38510/10103BHA W10A 10LD CERPACK JL101ABCA JM38510/10103BCA J14A 14LD CERDIP JL101ASGA JM38510/10103SGA H08C 8LD Metal Can JL101ASPA JM38510/10103SPA J08A 8LD CERDIP (c) 2006 National Semiconductor Corporation DS201296 www.national.com LM101AJAN Operational Amplifiers January 2006 LM101AJAN Schematic (Note 8) 20129601 Connection Diagrams (Top View) Metal Can Package (Top View) Dual-In-Line Package 20129604 See NS Package Number J08A 20129602 Note: Pin 4 connected to case. See NS Package Number H08C www.national.com 2 LM101AJAN Connection Diagrams (Continued) (Top View) Dual-In-Line Package (Top View) Ceramic Flatpack Package 20129640 See NS Package Number W10A 20129603 See NS Package Number J14A Fast AC/DC Converter 20129633 Note 1: Feedforward compensation can be used to make a fast full wave rectifier without a filter. 3 www.national.com LM101AJAN 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) 1,200 mW J8-Package (Still Air) 1,000 mW (500 LF / Min Air Flow) 1,500 mW J14-Package (Still Air) 1,200mW (500 LF / Min Air Flow) 2,000mW 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 J8-Package (Still Air) 128C/W (500 LF / Min Air Flow) 75C/W J14-Package (Still Air) 98C/W (500 LF / Min Air Flow) 59C/W W-Package (Still Air) 233C/W (500 LF / Min Air Flow) 155C/W JC (Typical) H-Package 39C/W J8-Package 26C/W J14-Package 24C/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 LM101AJAN 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 JAN Electrical Characteristics DC Parameters The following conditions apply to all parameters, unless otherwise specified VCC = 20V, VCM = 0V, RS = 50 Symbol Parameters Conditions VIO Input Offset Voltage Notes Max Unit +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 5 -50 +50 V/V 1 -100 +100 V/V 2, 3 -50 +50 V/V 1 -100 +100 V/V 2, 3 www.national.com LM101AJAN LM101A JAN Electrical Characteristics (Continued) DC Parameters (Continued) The following conditions apply to all parameters, unless otherwise specified VCC = 20V, VCM = 0V, RS = 50 Symbol Parameters CMRR Common Mode Rejection Ratio VCC = 35V to 5V, VCM = 15V +VIO Adj Adjustment for Input Offset Voltage -VIO Adj Adjustment for Input Offset Voltage +IOS Output Short Circuit Current +VCC = 15V, -VCC = -15V, t 25mS, VCM = -15V -IOS Output Short Circuit Current +VCC = 15V, -VCC = -15V, t 25mS, VCM = +15V ICC Power Supply Current +VCC = 15V, -VCC = -15V VIO / T Temperature Coefficient of Input Offset Voltage IIO / T Temperature Coefficient of Input Offset Current -AVS Large Signal (Open Loop) Voltage Gain +AVS Large Signal (Open Loop) Voltage Gain Conditions Notes +VOP -VOP Large Signal (Open Loop) Voltage Gain Output Voltage Swing Output Voltage Swing Subgroups 80 dB 1, 2, 3 4.0 mV 1, 2, 3 mV 1, 2, 3 mA 1, 2, 3 +60 mA 1, 2, 3 1 Max -4.0 -60 3.0 mA 2.32 mA 2 3.5 mA 3 2 -55C TA +25C (Note 6) -18 +18 V/C +25C TA +125C (Note 6) -15 +15 V/C 3 -55C TA +25C (Note 6) -200 +200 pA/C 2 +25C TA +125C (Note 6) -100 +100 pA/C 3 RL = 2K, VO = -15V (Note 7) 50 V/mV 4 (Note 7) 25 V/mV 5, 6 RL = 10K, VO = -15V (Note 7) 50 V/mV 4 (Note 7) 25 V/mV 5, 6 RL = 2K, VO = +15V (Note 7) 50 V/mV 4 (Note 7) 25 V/mV 5, 6 (Note 7) 50 V/mV 4 (Note 7) 25 V/mV 5, 6 VCC = 5V, RL = 2K, VO = 2V (Note 7) 10 V/mV 4, 5, 6 VCC = 5V, RL = 10K, VO = 2V (Note 7) 10 V/mV 4, 5, 6 RL = 10K, VO = +15V AVS Unit Min RL = 10K, VCM = -20V +16 V 4, 5, 6 RL = 2K, VCM = -20V +15 V 4, 5, 6 RL = 10K, VCM = 20V -16 V 4, 5, 6 RL = 2K, VCM = 20V -15 V 4, 5, 6 Max Units Subgroups 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 0.3 V/S 7 -SR Slew Rate AV = 1, VI = +5V to -5V 0.3 V/S 7 TRTR Rise Time AV = 1, VI = 50mV 800 nS 7 TROS Overshoot AV = 1, VI = 50mV 25 % 7 NIBB Noise Broadband BW = 10Hz to 5KHz, RS = 0 15 VRMS 7 NIPC Noise Popcorn BW = 10Hz to 5KHz, RS = 100K 80 VPK 7 www.national.com Notes 6 Min JAN Electrical Characteristics DC Parameters: LM101AJAN LM101A (Continued) Drift Values The following conditions apply to all parameters, unless otherwise specified VCC = 20V, VCM = 0V, RS = 50 Delta calculations performed on JAN S devices at group B, Subgroup 5 only. Symbol Parameter Conditions Min Max Units Subgroups VIO Input Offset Voltage IIB VCM = 0V -0.5 0.5 mV 1 Input Bias Current VCM = 0V, RS = 100K -7.5 7.5 nA 1 Notes Notes 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: Calculated parameter Note 7: Datalog reading of K = V/mV. Note 8: Pin connections shown are for 8-pin packages. 7 www.national.com LM101AJAN Typical Performance Characteristics LM101A Input Voltage Range Output Swing 20129642 20129641 Voltage Gain 20129643 Supply Current Voltage Gain 20129647 www.national.com 20129648 8 LM101A LM101AJAN Typical Performance Characteristics (Continued) Input Current, LM101A Maximum Power Dissipation 20129649 20129650 Current Limiting Input Noise Voltage 20129651 20129652 Input Noise Current Common Mode Rejection 20129653 20129654 9 www.national.com LM101AJAN Typical Performance Characteristics LM101A (Continued) Closed Loop Output Impedance Power Supply Rejection 20129655 20129656 www.national.com 10 (Note 8) Single Pole Compensation Two Pole Compensation 20129608 20129612 CS= 30 pF CS= 30 pF C2 = 10 C1 Open Loop Frequency Response Feedforward Compensation 20129616 20129609 fo= 3 MHz Open Loop Frequency Response Open Loop Frequency Response 20129617 20129613 11 www.national.com LM101AJAN Typical Performance Characteristics for Various Compensation Circuits LM101AJAN Typical Performance Characteristics for Various Compensation Circuits (Note 8) (Continued) Large Signal Frequency Response Large Signal Frequency Response 20129614 20129610 Large Signal Frequency Response Voltage Follower Pulse Response 20129618 20129611 Voltage Follower Pulse Response Inverter Pulse Response 20129615 www.national.com 20129619 12 (Note 8) LM101AJAN Typical Applications Inverting Amplifier with Balancing Circuit Variable Capacitance Multiplier 20129620 20129623 May be zero or equal to parallel combination of R1 and R2 for minimum Simulated Inductor offset. Sine Wave Oscillator 20129621 L . R1 R2 C1 RS = R2 RP = R1 Fast Inverting Amplifier with High Input Impedance 20129624 fo = 10 kHz Integrator with Bias Current Compensation 20129622 20129625 *Adjust for zero integrator drift. Current drift typically 0.1 nA/C over -55C to +125C temperature range. 13 www.national.com LM101AJAN Application Hints (Note 8) Protecting Against Gross Fault Conditions 20129626 *Protects input Protects output Protects output -- not needed when R4 is used. Compensating for Stray Input Capacitances or Large Feedback Resistor 20129627 Isolating Large Capacitive Loads 20129628 www.national.com 14 Typical Applications LM101AJAN 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 8) 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 amplifier 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. 20129629 Fast Voltage Follower 20129631 Power Bandwidth: 15 kHz Slew Rate: 1V/s Fast Summing Amplifier 20129630 Power Bandwidth: 250 kHz Small Signal Bandwiidth: 3.5 MHz Slew Rate: 10V/s 15 www.national.com LM101AJAN Typical Applications (Note 8) (Continued) Bilateral Current Source 20129632 R3 = R4 + R5 R1 = R2 Fast AC/DC Converter (Note 9) 20129633 Note 9: Feedforward compensation can be used to make a fast full wave rectifier without a filter. www.national.com 16 LM101AJAN Typical Applications (Note 8) (Continued) Instrumentation Amplifier 20129634 R1 = R4; R2 = R3 *, Matching determines CMRR. Voltage Comparator for Driving RTL Logic or High Current Driver Integrator with Bias Current Compensation 20129637 20129635 *Adjust for zero integrator drift. Current drift typically 0.1 nA/C over 0C to +70C temperature range. 17 www.national.com LM101AJAN Typical Applications (Note 8) (Continued) Low Frequency Square Wave Generator 20129636 Voltage Comparator for Driving DTL or TTL Integrated Circuits Low Drift Sample and Hold 20129639 20129638 *Polycarbonate-dielectric capacitor www.national.com 18 Date Released 01/05/06 Revision A Section Originator Changes New Release to corporate format L. Lytle 1 MDS datasheets converted into one Corp. datasheet format. MJLM101A-X Rev 1A0 datasheet will be archived. 19 www.national.com LM101AJAN Revision History Section LM101AJAN 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 20 LM101AJAN Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Ceramic Dual-In-Line Package (J) NS Package Number J14A Ceramic Flatpack Package (W) NS Package Number W10A 21 www.national.com LM101AJAN Operational Amplifiers Notes 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. LIFE SUPPORT POLICY NATIONAL'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. BANNED SUBSTANCE COMPLIANCE National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ``Banned Substances'' as defined in CSP-9-111S2. Leadfree products are RoHS compliant. National Semiconductor Americas Customer Support Center Email: new.feedback@nsc.com Tel: 1-800-272-9959 www.national.com National Semiconductor Europe Customer Support Center Fax: +49 (0) 180-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 69 9508 6208 English Tel: +44 (0) 870 24 0 2171 Francais Tel: +33 (0) 1 41 91 8790 National Semiconductor Asia Pacific Customer Support Center Email: ap.support@nsc.com National Semiconductor Japan Customer Support Center Fax: 81-3-5639-7507 Email: jpn.feedback@nsc.com Tel: 81-3-5639-7560