LM148J/PB - Texas Instruments

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

1FEATURES DESCRIPTION

The LM148 series is a true quad 741. It consists of

2• 741 Op Amp Operating Characteristics four independent, high gain, internally compensated,

• Class AB Output Stage—No Crossover low power operational amplifiers which have been

Distortion designed to provide functional characteristics

• Pin Compatible With the LM124 identical to those of the familiar 741 operational

amplifier. In addition the total supply current for all

• Overload Protection for Inputs and Outputs four amplifiers is comparable to the supply current of

• Low Supply Current Drain: 0.6 mA/Amplifier a single 741 type op amp. Other features include

• Low Input Offset Voltage: 1 mV input offset currents and input bias current which are

much less than those of a standard 741. Also,

• Low Input Offset Current: 4 nA excellent isolation between amplifiers has been

• Low Input Bias Current 30 nA achieved by independently biasing each amplifier and

• High Degree of Isolation Between Amplifiers: using layout techniques which minimize thermal

120 dB coupling.

• Gain Bandwidth Product The LM148 can be used anywhere multiple 741 or

– LM148 (Unity Gain): 1.0 MHz 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

1Please 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.

2All trademarks are the property of their respective owners.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

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

Output Short Circuit Duration(3) Continuous Continuous Continuous

Power Dissipation (Pdat 25°C) and Thermal Resistance (θjA)(4)

PDIP (NFF) Pd— — 750 mW

θJA — — 100°C/W

CDIP (J) Pd1100 mW 800 mW 700 mW

θJA 110°C/W 110°C/W 110°C/W

Maximum Junction Temperature (TjMAX) 150°C 110°C 100°C

−55°C ≤TA≤ −25°C ≤TA≤0°C ≤TA≤+70°C

Operating Temperature Range +125°C +85°C

Storage Temperature Range −65°C to +150°C −65°C to +150°C −65°C to +150°C

Lead Temperature (Soldering, 10 sec.) Ceramic 300°C 300°C 300°C

Lead Temperature (Soldering, 10 sec.) Plastic 260°C

Soldering Information

Dual-In-Line Package Soldering (10 seconds) 260°C 260°C 260°C

Vapor Phase (60 seconds) 215°C 215°C 215°C

Small Outline Package Infrared (15 seconds) 220°C 220°C 220°C

ESD tolerance(5) 500V 500V 500V

(1) Refer to RETS 148X for LM148 military specifications.

(2) If Military/Aerospace specified devices are required, please contact the TI Sales Office/Distributors for availability and specifications.

(3) 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.

(4) 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.

(5) Human body model, 1.5 kΩin 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. LM148 LM248 LM348 Units

Parameter Conditions Min Typ Max Min Typ Max Min Typ Max

Input Offset Voltage TA= 25°C, RS≤10 kΩ1.0 5.0 1.0 6.0 1.0 6.0 mV

Input Offset Current TA= 25°C 4 25 4 50 4 50 nA

Input Bias Current TA= 25°C 30 100 30 200 30 200 nA

Input Resistance TA= 25°C 0.8 2.5 0.8 2.5 0.8 2.5 MΩ

Supply Current All TA= 25°C, VS= ±15V 2.4 3.6 2.4 4.5 2.4 4.5 mA

Amplifiers TA= 25°C, VS= ±15V

Large Signal Voltage Gain 50 160 25 160 25 160 V/mV

VOUT = ±10V, RL≥2 kΩ

TA= 25°C, f = 1 Hz to 20 kHz

Amplifier to Amplifier (Input Referred) −120 −120 −120 dB

Coupling See Crosstalk Test Circuit

TA= 25°C,

Small Signal Bandwidth 1.0 1.0 1.0 MHz

LM148 Series

TA= 25°C,

Phase Margin 60 60 60 degrees

LM148 Series (AV= 1)

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. LM148 LM248 LM348 Units

Parameter Conditions Min Typ Max Min Typ Max Min Typ Max

TA= 25°C,

Slew Rate 0.5 0.5 0.5 V/μs

LM148 Series (AV= 1)

Output Short Circuit TA= 25°C 25 25 25 mA

Current

Input Offset Voltage RS≤10 kΩ6.0 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, 25 15 15 V/mV

RL> 2 kΩ

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 ±12 ±12 V

Common-Mode Rejection RS≤10 kΩ70 90 70 90 70 90 dB

Ratio

Supply Voltage Rejection RS≤10 kΩ, ±5V ≤VS≤±15V 77 96 77 96 77 96 dB

CROSS TALK TEST CIRCUIT

VS= ±15V

Product Folder Links: LM148-N LM248-N LM348-N

LM148-N, LM248-N, LM348-N

SNOSBT2E –MAY 1999–REVISED MARCH 2013

www.ti.com

Typical Performance Characteristics

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.

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.

Product Folder Links: LM148-N LM248-N LM348-N

LM148-N, LM248-N, LM348-N

SNOSBT2E –MAY 1999–REVISED MARCH 2013

www.ti.com

Typical Performance Characteristics (continued)

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.

Product Folder Links: LM148-N LM248-N LM348-N

LM148-N, LM248-N, LM348-N

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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.

Product Folder Links: LM148-N LM248-N LM348-N

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

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: fOQ≤4 × 104

Use Band Pass output to tune for Q

Product Folder Links: LM148-N LM248-N LM348-N

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

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

Product Folder Links: LM148-N LM248-N LM348-N

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

o1 = 112IS= 8 × 10−16

o2 = 144*C2 = 6 pF for LM149

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

Product Folder Links: LM148-N LM248-N LM348-N

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 Page

• Changed layout of National Data Sheet to TI format .......................................................................................................... 13

Product Folder Links: LM148-N LM248-N LM348-N

PACKAGE OPTION ADDENDUM

www.ti.com 24-Aug-2018

Addendum-Page 1

PACKAGING INFORMATION

Orderable Device Status

(1)

Package Type Package

Drawing Pins Package

Qty Eco Plan

(2)

Lead/Ball Finish

(6)

MSL Peak Temp

(3)

Op Temp (°C) Device Marking

(4/5)

Samples

LM148J/PB ACTIVE CDIP J 14 25 TBD Call TI Call TI -55 to 125 (LM148, LM148J)

(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) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance

do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may

reference these types of products as "Pb-Free".

RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.

Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based

flame retardants must also meet the <=1000ppm threshold requirement.

(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.

(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.

(5) Multiple Device Markings will be inside parentheses. Only one Device 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 Device Marking for that device.

(6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish

value exceeds the maximum column width.

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.

In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.

www.ti.com

PACKAGE OUTLINE

14X .008-.014

[0.2-0.36]

TYP

-15

AT GAGE PLANE

-.314.308 -7.977.83[ ]

14X -.026.014 -0.660.36[ ]

14X -.065.045 -1.651.15[ ]

.2 MAX TYP

[5.08] .13 MIN TYP

[3.3]

TYP-.060.015 -1.520.38[ ]

4X .005 MIN

[0.13]

12X .100

[2.54]

.015 GAGE PLANE

[0.38]

-.785.754 -19.9419.15[ ]

B -.283.245 -7.196.22[ ]

CDIP - 5.08 mm max heightJ0014A

CERAMIC DUAL IN LINE PACKAGE

4214771/A 05/2017

NOTES:

1. All controlling linear dimensions are in inches. Dimensions in brackets are in millimeters. Any dimension in brackets or parenthesis are for

reference only. Dimensioning and tolerancing per ASME Y14.5M.

2. This drawing is subject to change without notice.

3. This package is hermitically sealed with a ceramic lid using glass frit.

4. Index point is provided on cap for terminal identification only and on press ceramic glass frit seal only.

5. Falls within MIL-STD-1835 and GDIP1-T14.

PIN 1 ID

(OPTIONAL)

SCALE 0.900

SEATING PLANE

.010 [0.25] C A B

www.ti.com

EXAMPLE BOARD LAYOUT

ALL AROUND

[0.05] MAX.002

.002 MAX

[0.05]

ALL AROUND

SOLDER MASK

OPENING

METAL

(.063)

[1.6]

(R.002 ) TYP

[0.05]

14X ( .039)

[1]

( .063)

[1.6]

12X (.100 )

[2.54]

(.300 ) TYP

[7.62]

CDIP - 5.08 mm max heightJ0014A

CERAMIC DUAL IN LINE PACKAGE

4214771/A 05/2017

LAND PATTERN EXAMPLE

NON-SOLDER MASK DEFINED

SCALE: 5X

SEE DETAIL A SEE DETAIL B

SYMM

DETAIL A

SCALE: 15X

SOLDER MASK

OPENING

METAL

DETAIL B

13X, SCALE: 15X

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