LM148-N, LM248-N, LM348-N www.ti.com SNOSBT2E – MAY 1999 – REVISED MARCH 2013 LM148/LM248/LM348 Quad 741 Op Amps Check for Samples: LM148-N, LM248-N, LM348-N FEATURES DESCRIPTION • • The LM148 series is a true quad 741. It consists of four independent, high gain, internally compensated, low power operational amplifiers which have been designed to provide functional characteristics identical to those of the familiar 741 operational amplifier. In addition the total supply current for all four amplifiers is comparable to the supply current of a single 741 type op amp. Other features include input offset currents and input bias current which are much less than those of a standard 741. Also, excellent isolation between amplifiers has been achieved by independently biasing each amplifier and using layout techniques which minimize thermal coupling. 1 2 • • • • • • • • 741 Op Amp Operating Characteristics Class AB Output Stage—No Crossover Distortion Pin Compatible With the LM124 Overload Protection for Inputs and Outputs Low Supply Current Drain: 0.6 mA/Amplifier Low Input Offset Voltage: 1 mV Low Input Offset Current: 4 nA Low Input Bias Current 30 nA High Degree of Isolation Between Amplifiers: 120 dB Gain Bandwidth Product – LM148 (Unity Gain): 1.0 MHz The LM148 can be used anywhere multiple 741 or 1558 type amplifiers are being used and in applications where amplifier matching or high packing density is required. For lower power refer to LF444. Schematic Diagram * 1 pF in the LM149 1 2 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Copyright © 1999–2013, Texas Instruments Incorporated LM148-N, LM248-N, LM348-N SNOSBT2E – MAY 1999 – REVISED MARCH 2013 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Absolute Maximum Ratings (1) (2) LM148 LM248 LM348 Supply Voltage ±22V ±18V ±18V Differential Input Voltage ±44V ±36V ±36V Continuous Continuous Continuous — — 750 mW 100°C/W Output Short Circuit Duration (3) Power Dissipation (Pd at 25°C) and Thermal Resistance (θjA) (4) PDIP (NFF) Pd θJA CDIP (J) Pd — — 1100 mW 800 mW 700 mW 110°C/W 110°C/W 110°C/W θJA Maximum Junction Temperature (TjMAX) Operating Temperature Range Storage Temperature Range 150°C 110°C 100°C −55°C ≤ TA ≤ +125°C −25°C ≤ TA ≤ +85°C 0°C ≤ TA ≤ +70°C −65°C to +150°C −65°C to +150°C −65°C to +150°C 300°C 300°C 300°C Lead Temperature (Soldering, 10 sec.) Ceramic Lead Temperature (Soldering, 10 sec.) Plastic 260°C Soldering Information Dual-In-Line Package Soldering (10 seconds) 260°C 260°C 260°C Small Outline Package Vapor Phase (60 seconds) 215°C 215°C 215°C Infrared (15 seconds) 220°C 220°C 220°C 500V 500V 500V ESD tolerance (5) (1) (2) (3) (4) (5) Refer to RETS 148X for LM148 military specifications. If Military/Aerospace specified devices are required, please contact the TI Sales Office/Distributors for availability and specifications. 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. The maximum power dissipation for these devices must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature, TA. The maximum available power dissipation at any temperature is Pd = (TJMAX − TA)/θJA or the 25°C PDMAX, whichever is less. Human body model, 1.5 kΩ in series with 100 pF. Electrical Characteristics These specifications apply for VS = ±15V and over the absolute maximum operating temperature range (TL ≤ TA ≤ TH) unless otherwise noted. Parameter Conditions LM148 Min LM248 Typ Max 1.0 5.0 Min LM348 Typ Max 1.0 6.0 Min Units Typ Max 1.0 6.0 mV nA Input Offset Voltage TA = 25°C, RS ≤ 10 kΩ Input Offset Current TA = 25°C 4 25 4 50 4 50 Input Bias Current TA = 25°C 30 100 30 200 30 200 Input Resistance TA = 25°C Supply Current All Amplifiers TA = 25°C, VS = ±15V Large Signal Voltage Gain TA = 25°C, VS = ±15V VOUT = ±10V, RL ≥ 2 kΩ Amplifier to Amplifier Coupling TA = 25°C, f = 1 Hz to 20 kHz (Input Referred) See Crosstalk Test Circuit Small Signal Bandwidth TA = 25°C, LM148 Series Phase Margin 2 0.8 TA = 25°C, LM148 Series (AV = 1) Submit Documentation Feedback 2.5 2.4 50 160 0.8 3.6 2.5 2.4 25 160 0.8 4.5 2.5 2.4 25 nA MΩ 4.5 mA 160 V/mV −120 −120 −120 dB 1.0 1.0 1.0 MHz 60 60 60 degrees Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N LM148-N, LM248-N, LM348-N www.ti.com SNOSBT2E – MAY 1999 – REVISED MARCH 2013 Electrical Characteristics (continued) These specifications apply for VS = ±15V and over the absolute maximum operating temperature range (TL ≤ TA ≤ TH) unless otherwise noted. Parameter Slew Rate Conditions LM148 Min TA = 25°C, LM148 Series (AV = 1) Output Short Circuit Current TA = 25°C Input Offset Voltage RS ≤ 10 kΩ Typ LM248 Max Min Typ LM348 Max Min Typ Units Max 0.5 0.5 0.5 V/μs 25 25 25 mA 6.0 7.5 7.5 mV Input Offset Current 75 125 100 nA Input Bias Current 325 500 400 nA Large Signal Voltage Gain VS = ±15V, VOUT = ±10V, RL > 2 kΩ 25 Output Voltage Swing VS = ±15V, RL = 10 kΩ ±12 ±13 ±12 ±13 ±12 ±13 V RL = 2 kΩ ±10 ±12 ±10 ±12 ±10 ±12 V Input Voltage Range VS = ±15V ±12 Common-Mode Rejection Ratio RS ≤ 10 kΩ 70 90 70 90 70 90 dB Supply Voltage Rejection RS ≤ 10 kΩ, ±5V ≤ VS ≤ ±15V 77 96 77 96 77 96 dB 15 15 ±12 V/mV ±12 V CROSS TALK TEST CIRCUIT VS = ±15V Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N Submit Documentation Feedback 3 LM148-N, LM248-N, LM348-N SNOSBT2E – MAY 1999 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics 4 Supply Current Input Bias Current Figure 1. Figure 2. Voltage Swing Positive Current Limit Figure 3. Figure 4. Negative Current Limit Output Impedance Figure 5. Figure 6. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N LM148-N, LM248-N, LM348-N www.ti.com SNOSBT2E – MAY 1999 – REVISED MARCH 2013 Typical Performance Characteristics (continued) Common-Mode Rejection Ratio Open Loop Frequency Response Figure 7. Figure 8. Bode Plot LM148 Large Signal Pulse Response (LM148) Figure 9. Figure 10. Small Signal Pulse Response (LM148) Undistorted Output Voltage Swing Figure 11. Figure 12. Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N Submit Documentation Feedback 5 LM148-N, LM248-N, LM348-N SNOSBT2E – MAY 1999 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics (continued) 6 Gain Bandwidth Slew Rate Figure 13. Figure 14. Inverting Large Signal Pulse Response (LM148) Input Noise Voltage and Noise Current Figure 15. Figure 16. Positive Common-Mode Input Voltage Limit Negative Common-Mode Input Voltage Limit Figure 17. Figure 18. Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N LM148-N, LM248-N, LM348-N www.ti.com SNOSBT2E – MAY 1999 – REVISED MARCH 2013 APPLICATION HINTS The LM148 series are quad low power 741 op amps. In the proliferation of quad op amps, these are the first to offer the convenience of familiar, easy to use operating characteristics of the 741 op amp. In those applications where 741 op amps have been employed, the LM148 series op amps can be employed directly with no change in circuit performance. The package pin-outs are such that the inverting input of each amplifier is adjacent to its output. In addition, the amplifier outputs are located in the corners of the package which simplifies PC board layout and minimizes package related capacitive coupling between amplifiers. The input characteristics of these amplifiers allow differential input voltages which can exceed the supply voltages. In addition, if either of the input voltages is within the operating common-mode range, the phase of the output remains correct. If the negative limit of the operating common-mode range is exceeded at both inputs, the output voltage will be positive. For input voltages which greatly exceed the maximum supply voltages, either differentially or common-mode, resistors should be placed in series with the inputs to limit the current. Like the LM741, these amplifiers can easily drive a 100 pF capacitive load throughout the entire dynamic output voltage and current range. However, if very large capacitive loads must be driven by a non-inverting unity gain amplifier, a resistor should be placed between the output (and feedback connection) and the capacitance to reduce the phase shift resulting from the capacitive loading. The output current of each amplifier in the package is limited. Short circuits from an output to either ground or the power supplies will not destroy the unit. However, if multiple output shorts occur simultaneously, the time duration should be short to prevent the unit from being destroyed as a result of excessive power dissipation in the IC chip. As with most amplifiers, care should be taken lead dress, component placement and supply decoupling in order to ensure stability. For example, resistors from the output to an input should be placed with the body close to the input to minimize “pickup” and maximize the frequency of the feedback pole which capacitance from the input to ground creates. A feedback pole is created when the feedback around any amplifier is resistive. The parallel resistance and capacitance from the input of the device (usually the inverting input) to AC ground set the frequency of the pole. In many instances the frequency of this pole is much greater than the expected 3 dB frequency of the closed loop gain and consequently there is negligible effect on stability margin. However, if the feedback pole is less than approximately six times the expected 3 dB frequency a lead capacitor should be placed from the output to the input of the op amp. The value of the added capacitor should be such that the RC time constant of this capacitor and the resistance it parallels is greater than or equal to the original feedback pole time constant. Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N Submit Documentation Feedback 7 LM148-N, LM248-N, LM348-N SNOSBT2E – MAY 1999 – REVISED MARCH 2013 www.ti.com Typical Applications—LM148 Figure 19. One Decade Low Distortion Sinewave Generator fMAX = 5 kHz, THD ≤ 0.03% R1 = 100k pot. C1 = 0.0047 μF, C2 = 0.01 μF, C3 = 0.1 μF, R2 = R6 = R7 = 1M, R3 = 5.1k, R4 = 12Ω, R5 = 240Ω, Q = NS5102, D1 = 1N914, D2 = 3.6V avalanche diode (ex. LM103), VS = ±15V A simpler version with some distortion degradation at high frequencies can be made by using A1 as a simple inverting amplifier, and by putting back to back zeners in the feedback loop of A3. Figure 20. Low Cost Instrumentation Amplifier VS = ±15V R = R2, trim R2 to boost CMRR 8 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N LM148-N, LM248-N, LM348-N www.ti.com SNOSBT2E – MAY 1999 – REVISED MARCH 2013 Figure 21. Low Drift Peak Detector with Bias Current Compensation Adjust R for minimum drift D3 low leakage diode D1 added to improve speed VS = ±15V Figure 22. Universal State-Variable Filter Tune Q through R0, For predictable results: fO Q ≤ 4 × 104 Use Band Pass output to tune for Q Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N Submit Documentation Feedback 9 LM148-N, LM248-N, LM348-N SNOSBT2E – MAY 1999 – REVISED MARCH 2013 www.ti.com Figure 23. A 1 kHz 4 Pole Butterworth Use general equations, and tune each section separately Q1stSECTION = 0.541, Q2ndSECTION = 1.306 The response should have 0 dB peaking 10 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N LM148-N, LM248-N, LM348-N www.ti.com SNOSBT2E – MAY 1999 – REVISED MARCH 2013 Figure 24. A 3 Amplifier Bi-Quad Notch Filter Ex: fNOTCH = 3 kHz, Q = 5, R1 = 270k, R2 = R3 = 20k, R4 = 27k, R5 = 20k, R6 = R8 = 10k, R7 = 100k, C1 = C2 = 0.001 μF Better noise performance than the state-space approach. Figure 25. A 4th Order 1 kHz Elliptic Filter (4 Poles, 4 Zeros) R1C1 = R2C2 = t R′1C′1 = R′2C′2 = t′ fC = 1 kHz, fS = 2 kHz, fp = 0.543, fZ = 2.14, Q = 0.841, f′ P = 0.987, f′ Z = 4.92, Q′ = 4.403, normalized to ripple BW Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N Submit Documentation Feedback 11 LM148-N, LM248-N, LM348-N SNOSBT2E – MAY 1999 – REVISED MARCH 2013 www.ti.com Use the BP outputs to tune Q, Q′, tune the 2 sections separately R1 = R2 = 92.6k, R3 = R4 = R5 = 100k, R6 = 10k, R0 = 107.8k, RL = 100k, RH = 155.1k, R′1 = R′2 = 50.9k, R′4 = R′5 = 100k, R′6 = 10k, R′0 = 5.78k, R′L = 100k, R′H = 248.12k, R′f = 100k. All capacitors are 0.001 μF. Figure 26. Lowpass Response Typical Simulation Figure 27. LM148, LM741 Macromodel for Computer Simulation For more details, see IEEE Journal of Solid-State Circuits, Vol. SC-9, No. 6, December 1974 12 o1 = 112IS = 8 × 10−16 o2 = 144*C2 = 6 pF for LM149 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N LM148-N, LM248-N, LM348-N www.ti.com SNOSBT2E – MAY 1999 – REVISED MARCH 2013 Connection Diagram Figure 28. Top View See Package Number J0014A, D0014A or NFF00014A Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N Submit Documentation Feedback 13 LM148-N, LM248-N, LM348-N SNOSBT2E – MAY 1999 – REVISED MARCH 2013 www.ti.com REVISION HISTORY Changes from Revision D (March 2013) to Revision E • 14 Page Changed layout of National Data Sheet to TI format .......................................................................................................... 13 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM148-N LM248-N LM348-N PACKAGE OPTION ADDENDUM www.ti.com 11-Apr-2013 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish (2) MSL Peak Temp Op Temp (°C) Top-Side Markings (3) (4) LM148J/PB ACTIVE CDIP J 14 25 TBD Call TI Call TI LM148J LM348M ACTIVE SOIC D 14 55 TBD Call TI Call TI 0 to 70 LM348M LM348M/NOPB ACTIVE SOIC D 14 55 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM 0 to 70 LM348M LM348MX ACTIVE SOIC D 14 2500 TBD Call TI Call TI 0 to 70 LM348M LM348MX/NOPB ACTIVE SOIC D 14 2500 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM 0 to 70 LM348M LM348N/NOPB ACTIVE PDIP NFF 14 25 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM 0 to 70 LM348N LM348N/PB ACTIVE PDIP NFF 14 25 TBD Call TI Call TI LM348N (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. (4) Multiple Top-Side Markings will be inside parentheses. Only one Top-Side Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation of the previous line and the two combined represent the entire Top-Side Marking for that device. Addendum-Page 1 Samples PACKAGE OPTION ADDENDUM www.ti.com 11-Apr-2013 Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. 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Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 8-Apr-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant LM348MX SOIC D 14 2500 330.0 16.4 6.5 9.35 2.3 8.0 16.0 Q1 LM348MX/NOPB SOIC D 14 2500 330.0 16.4 6.5 9.35 2.3 8.0 16.0 Q1 Pack Materials-Page 1 PACKAGE MATERIALS INFORMATION www.ti.com 8-Apr-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) LM348MX SOIC D 14 2500 367.0 367.0 35.0 LM348MX/NOPB SOIC D 14 2500 367.0 367.0 35.0 Pack Materials-Page 2 MECHANICAL DATA NFF0014A N0014A N14A (Rev G) www.ti.com IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. 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